| 1 | <?php |
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| 2 | /* |
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| 3 | Plugin Name: Simply Show Hooks |
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| 4 | Plugin URI: http://www.calyxagency.com/#plugins |
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| 5 | Description: Simply Show Hooks helps theme or plugin developers to quickly see where all the action and filter hooks are on any WordPress page. |
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| 6 | Version: 1.2.1 |
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| 7 | Contributors: stuartobrien, cxthemes |
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| 8 | Author: Stuart O'Brien, cxThemes |
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| 9 | Author URI: http://www.calyxagency.com/?utm_medium=plugins%20page%20view%20details&utm_campaign=free%20plugin%20upsell&utm_source=send%20emails#plugins |
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| 10 | License: GPLv2 or later |
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| 11 | Text Domain: simply-show-hooks |
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| 12 | Domain Path: /localization/ |
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| 13 | */ |
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| 14 | |
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| 15 | defined( 'ABSPATH' ) or die( 'No Trespassing!' ); // Security |
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| 16 | |
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| 17 | class CX_Simply_Show_Hooks { |
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| 18 | |
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| 19 | private $status; |
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| 20 | |
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| 21 | private $all_hooks = array(); |
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| 22 | |
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| 23 | private $recent_hooks = array(); |
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| 24 | |
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| 25 | private $ignore_hooks = array(); |
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| 26 | |
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| 27 | private $doing = 'collect'; |
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| 28 | |
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| 29 | |
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| 30 | /** |
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| 31 | * Instantiator |
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| 32 | */ |
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| 33 | public static function get_instance() { |
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| 34 | |
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| 35 | static $instance = null; |
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| 36 | |
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| 37 | if ( null === $instance ) { |
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| 38 | $instance = new self(); |
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| 39 | $instance->init(); |
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| 40 | } |
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| 41 | |
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| 42 | return $instance; |
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| 43 | } |
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| 44 | |
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| 45 | /** |
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| 46 | * Construct and initialize the main plugin class |
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| 47 | */ |
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| 48 | |
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| 49 | public function __construct() {} |
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| 50 | |
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| 51 | function init() { |
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| 52 | |
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| 53 | // Use this to set any tags known to cause display problems. |
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| 54 | // Will be display in sidebar. |
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| 55 | $this->ignore_hooks = apply_filters( 'simply_show_hooks_ignore_hooks', array( |
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| 56 | 'attribute_escape', |
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| 57 | 'body_class', |
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| 58 | 'the_post', |
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| 59 | 'post_edit_form_tag', |
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| 60 | //'gettext', |
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| 61 | ) ); |
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| 62 | |
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| 63 | // Translations |
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| 64 | add_action( 'plugins_loaded', array( $this, 'load_translation' ) ); |
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| 65 | |
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| 66 | // Set autive status property. |
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| 67 | $this->set_active_status(); |
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| 68 | |
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| 69 | // Attach the hooks as on plugin init. |
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| 70 | $this->attach_hooks(); |
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| 71 | |
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| 72 | // Init the plugin. |
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| 73 | add_action( 'init', array( $this, 'plugin_init' ) ); |
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| 74 | } |
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| 75 | |
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| 76 | /** |
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| 77 | * Helper function that sets the active status of the hooks displaying. |
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| 78 | */ |
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| 79 | public function set_active_status() { |
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| 80 | |
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| 81 | if ( ! isset( $this->status ) ) { |
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| 82 | |
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| 83 | if ( ! isset( $_COOKIE['cxssh_status'] ) ) { |
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| 84 | setcookie( 'cxssh_status', 'off', time()+3600*24*100, '/' ); |
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| 85 | } |
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| 86 | |
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| 87 | if ( isset( $_REQUEST['cxssh-hooks'] ) ) { |
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| 88 | setcookie( 'cxssh_status', $_REQUEST['cxssh-hooks'], time()+3600*24*100, '/' ); |
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| 89 | $this->status = $_REQUEST['cxssh-hooks']; |
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| 90 | } |
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| 91 | elseif ( isset( $_COOKIE['cxssh_status'] ) ) { |
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| 92 | $this->status = $_COOKIE['cxssh_status']; |
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| 93 | } |
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| 94 | else{ |
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| 95 | $this->status = 'off'; |
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| 96 | } |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | /** |
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| 101 | * Helper function to attach the filter that render all the hook labels. |
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| 102 | */ |
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| 103 | public function attach_hooks() { |
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| 104 | |
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| 105 | if ( $this->status == 'show-action-hooks' || $this->status == 'show-filter-hooks' ) { |
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| 106 | |
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| 107 | add_filter( 'all', array( $this, 'hook_all_hooks' ), 100 ); |
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| 108 | add_action( 'shutdown', array( $this, 'notification_switch' ) ); |
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| 109 | add_action( 'shutdown', array( $this, 'filter_hooks_panel' ) ); |
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| 110 | } |
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| 111 | } |
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| 112 | |
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| 113 | /** |
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| 114 | * Helper function to detach the filter that render all the hook labels. |
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| 115 | */ |
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| 116 | public function detach_hooks() { |
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| 117 | |
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| 118 | remove_filter( 'all', array( $this, 'hook_all_hooks' ), 100 ); |
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| 119 | remove_action( 'shutdown', array( $this, 'notification_switch' ) ); |
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| 120 | remove_action( 'shutdown', array( $this, 'filter_hooks_panel' ) ); |
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| 121 | } |
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| 122 | |
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| 123 | |
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| 124 | /* |
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| 125 | * Admin Menu top bar |
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| 126 | */ |
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| 127 | function admin_bar_menu( $wp_admin_bar ) { |
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| 128 | |
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| 129 | // Suspend the hooks rendering. |
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| 130 | $this->detach_hooks(); |
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| 131 | |
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| 132 | // Setup a base URL and clear it of the intial `cxssh-hooks` arg. |
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| 133 | $url = remove_query_arg( 'cxssh-hooks' ); |
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| 134 | |
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| 135 | if ( 'show-action-hooks' == $this->status ) { |
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| 136 | |
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| 137 | $title = __( 'Stop Showing Action Hooks' , 'simply-show-hooks' ); |
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| 138 | $href = add_query_arg( 'cxssh-hooks', 'off', $url ); |
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| 139 | $css = 'cxssh-hooks-on cxssh-hooks-normal'; |
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| 140 | } |
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| 141 | else { |
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| 142 | |
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| 143 | $title = __( 'Show Action Hooks' , 'simply-show-hooks' ); |
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| 144 | $href = add_query_arg( 'cxssh-hooks', 'show-action-hooks', $url ); |
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| 145 | $css = ''; |
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| 146 | } |
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| 147 | |
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| 148 | $wp_admin_bar->add_menu( array( |
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| 149 | 'title' => '<span class="ab-icon"></span><span class="ab-label">' . __( 'Simply Show Hooks' , 'simply-show-hooks' ) . '</span>', |
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| 150 | 'id' => 'cxssh-main-menu', |
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| 151 | 'parent' => false, |
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| 152 | 'href' => $href, |
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| 153 | ) ); |
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| 154 | |
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| 155 | $wp_admin_bar->add_menu( array( |
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| 156 | 'title' => $title, |
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| 157 | 'id' => 'cxssh-simply-show-hooks', |
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| 158 | 'parent' => 'cxssh-main-menu', |
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| 159 | 'href' => $href, |
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| 160 | 'meta' => array( 'class' => $css ), |
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| 161 | ) ); |
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| 162 | |
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| 163 | |
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| 164 | if ( $this->status=="show-filter-hooks" ) { |
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| 165 | |
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| 166 | $title = __( 'Stop Showing Action & Filter Hooks' , 'simply-show-hooks' ); |
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| 167 | $href = add_query_arg( 'cxssh-hooks', 'off', $url ); |
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| 168 | $css = 'cxssh-hooks-on cxssh-hooks-sidebar'; |
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| 169 | } |
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| 170 | else { |
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| 171 | |
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| 172 | $title = __( 'Show Action & Filter Hooks' , 'simply-show-hooks' ); |
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| 173 | $href = add_query_arg( 'cxssh-hooks', 'show-filter-hooks', $url ); |
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| 174 | $css = ''; |
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| 175 | } |
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| 176 | |
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| 177 | $wp_admin_bar->add_menu( array( |
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| 178 | 'title' => $title, |
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| 179 | 'id' => 'cxssh-show-all-hooks', |
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| 180 | 'parent' => 'cxssh-main-menu', |
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| 181 | 'href' => $href, |
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| 182 | 'meta' => array( 'class' => $css ), |
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| 183 | ) ); |
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| 184 | |
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| 185 | // De-suspend the hooks rendering. |
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| 186 | $this->attach_hooks(); |
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| 187 | } |
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| 188 | |
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| 189 | // Custom css to add icon to admin bar edit button. |
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| 190 | function add_builder_edit_button_css() { |
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| 191 | ?> |
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| 192 | <style> |
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| 193 | #wp-admin-bar-cxssh-main-menu .ab-icon:before{ |
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| 194 | font-family: "dashicons" !important; |
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| 195 | content: "\f323" !important; |
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| 196 | font-size: 16px !important; |
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| 197 | } |
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| 198 | </style> |
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| 199 | <?php |
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| 200 | } |
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| 201 | |
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| 202 | /* |
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| 203 | * Notification Switch |
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| 204 | * Displays notification interface that will alway display |
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| 205 | * even if the interface is corrupted in other places. |
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| 206 | */ |
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| 207 | function notification_switch() { |
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| 208 | |
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| 209 | // Suspend the hooks rendering. |
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| 210 | $this->detach_hooks(); |
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| 211 | |
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| 212 | // Setup a base URL and clear it of the intial `cxssh-hooks` arg. |
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| 213 | $url = add_query_arg( 'cxssh-hooks', 'off' ); |
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| 214 | ?> |
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| 215 | <a class="cxssh-notification-switch" href="<?php echo esc_url( $url ); ?>"> |
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| 216 | <span class="cxssh-notification-indicator"></span> |
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| 217 | <?php echo _e( 'Stop Showing Hooks' , 'simply-show-hooks' ); ?> |
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| 218 | </a> |
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| 219 | <?php |
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| 220 | |
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| 221 | // De-suspend the hooks rendering. |
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| 222 | $this->attach_hooks(); |
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| 223 | } |
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| 224 | |
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| 225 | function plugin_init() { |
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| 226 | |
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| 227 | if ( |
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| 228 | ! current_user_can( 'manage_options' ) || // Restrict use to Admins only |
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| 229 | ! $this->plugin_active() // Allow filters to deactivate. |
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| 230 | ) { |
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| 231 | $this->status = 'off'; |
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| 232 | return; |
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| 233 | } |
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| 234 | |
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| 235 | // Enqueue Scripts/Styles - in head of admin |
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| 236 | add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_script' ) ); |
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| 237 | add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_script' ) ); |
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| 238 | add_action( 'login_enqueue_scripts', array( $this, 'enqueue_script' ) ); |
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| 239 | |
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| 240 | // Top Admin Bar |
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| 241 | add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu'), 90 ); |
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| 242 | // Top Admin Bar Styles |
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| 243 | add_action( 'wp_print_styles', array( $this, 'add_builder_edit_button_css' ) ); |
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| 244 | add_action( 'admin_print_styles', array( $this, 'add_builder_edit_button_css' ) ); |
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| 245 | |
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| 246 | if ( $this->status == 'show-action-hooks' || $this->status == 'show-filter-hooks' ) { |
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| 247 | |
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| 248 | //Final hook - render the nested action array |
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| 249 | add_action( 'admin_head', array( $this, 'render_head_hooks'), 100 ); // Back-end - Admin |
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| 250 | add_action( 'wp_head', array( $this, 'render_head_hooks'), 100 ); // Front-end |
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| 251 | add_action( 'login_head', array( $this, 'render_head_hooks'), 100 ); // Login |
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| 252 | add_action( 'customize_controls_print_scripts', array( $this, 'render_head_hooks'), 100 ); // Customizer |
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| 253 | } |
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| 254 | } |
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| 255 | |
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| 256 | /** |
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| 257 | * Enqueue Scripts |
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| 258 | */ |
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| 259 | |
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| 260 | public function enqueue_script() { |
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| 261 | global $wp_scripts, $current_screen; |
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| 262 | |
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| 263 | // Main Styles |
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| 264 | wp_register_style( 'cxssh-main-css', plugins_url( basename( plugin_dir_path( __FILE__ ) ) . '/assets/css/cxssh-main.css', basename( __FILE__ ) ), '', '1.1.0', 'screen' ); |
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| 265 | wp_enqueue_style( 'cxssh-main-css' ); |
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| 266 | |
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| 267 | // Main Scripts |
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| 268 | /* |
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| 269 | wp_register_script( 'cxssh-main-js', plugins_url( basename( plugin_dir_path( __FILE__ ) ) . '/assets/js/cxssh-main.js', basename( __FILE__ ) ), array('jquery'), '1.1.0' ); |
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| 270 | wp_enqueue_script( 'cxssh-main-js' ); |
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| 271 | wp_localize_script('cxssh-main-js', 'cxssh-main-js', array( |
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| 272 | 'home_url' => get_home_url(), |
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| 273 | 'admin_url' => admin_url(), |
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| 274 | 'ajaxurl' => admin_url('admin-ajax.php') |
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| 275 | )); |
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| 276 | */ |
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| 277 | } |
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| 278 | |
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| 279 | /** |
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| 280 | * Localization |
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| 281 | */ |
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| 282 | |
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| 283 | public function load_translation() { |
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| 284 | load_plugin_textdomain( 'simply-show-hooks', false, dirname( plugin_basename( __FILE__ ) ) . '/localization/' ); |
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| 285 | } |
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| 286 | |
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| 287 | /** |
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| 288 | * Render Head Hooks |
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| 289 | */ |
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| 290 | function render_head_hooks() { |
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| 291 | |
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| 292 | // Render all the hooks so far |
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| 293 | $this->render_hooks(); |
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| 294 | |
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| 295 | // Add header marker to hooks collection |
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| 296 | // $this->all_hooks[] = array( 'End Header. Start Body', false, 'marker' ); |
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| 297 | |
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| 298 | // Change to doing 'write' which will write the hook as it happens |
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| 299 | $this->doing = 'write'; |
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| 300 | } |
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| 301 | |
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| 302 | /** |
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| 303 | * Render all hooks already in the collection |
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| 304 | */ |
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| 305 | function render_hooks() { |
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| 306 | |
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| 307 | foreach ( $this->all_hooks as $nested_value ) { |
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| 308 | |
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| 309 | if ( 'action' == $nested_value['type'] ) { |
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| 310 | |
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| 311 | $this->render_action( $nested_value ); |
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| 312 | } |
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| 313 | } |
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| 314 | } |
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| 315 | |
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| 316 | /** |
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| 317 | * Hook all hooks |
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| 318 | */ |
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| 319 | |
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| 320 | public function hook_all_hooks( $hook ) { |
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| 321 | global $wp_actions, $wp_filter; |
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| 322 | |
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| 323 | if ( ! in_array( $hook, $this->recent_hooks ) ) { |
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| 324 | |
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| 325 | if ( isset( $wp_actions[$hook] ) ) { |
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| 326 | |
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| 327 | // Action |
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| 328 | $this->all_hooks[] = array( |
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| 329 | 'ID' => $hook, |
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| 330 | 'callback' => false, |
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| 331 | 'type' => 'action', |
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| 332 | ); |
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| 333 | } |
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| 334 | else { |
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| 335 | |
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| 336 | // Filter |
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| 337 | $this->all_hooks[] = array( |
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| 338 | 'ID' => $hook, |
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| 339 | 'callback' => false, |
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| 340 | 'type' => 'filter', |
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| 341 | ); |
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| 342 | } |
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| 343 | } |
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| 344 | |
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| 345 | // if ( isset( $wp_actions[$hook] ) && $wp_actions[$hook] == 1 && !in_array( $hook, $this->ignore_hooks ) ) { |
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| 346 | // if ( ( isset( $wp_actions[$hook] ) || isset( $wp_filter[$hook] ) ) && !in_array( $hook, $this->ignore_hooks ) ) { |
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| 347 | if ( isset( $wp_actions[$hook] ) && !in_array( $hook, $this->recent_hooks ) && !in_array( $hook, $this->ignore_hooks ) ) { |
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| 348 | |
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| 349 | // @TODO - caller function testing. |
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| 350 | $callers = false; // @param $callers Array | false for debug_backtrace() |
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| 351 | |
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| 352 | if ( 'write' == $this->doing ) { |
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| 353 | $this->render_action( end( $this->all_hooks ) ); |
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| 354 | } |
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| 355 | } |
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| 356 | else{ |
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| 357 | // s('(skiped-hook!)'); |
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| 358 | // $this->render_action( $hook ); |
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| 359 | } |
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| 360 | |
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| 361 | // Discarded functionality: if the hook was |
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| 362 | // run recently then don't show it again. |
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| 363 | // Better to use the once run or always run theory. |
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| 364 | |
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| 365 | $this->recent_hooks[] = $hook; |
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| 366 | |
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| 367 | if ( count( $this->recent_hooks ) > 100 ) { |
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| 368 | array_shift( $this->recent_hooks ); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | /** |
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| 373 | * |
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| 374 | * Render action |
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| 375 | */ |
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| 376 | function render_action( $args = array() ) { |
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| 377 | global $wp_filter; |
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| 378 | |
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| 379 | // Get all the nested hooks |
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| 380 | $nested_hooks = ( isset( $wp_filter[ $args['ID'] ] ) ) ? $wp_filter[ $args['ID'] ] : false ; |
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| 381 | |
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| 382 | // Count the number of functions on this hook |
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| 383 | $nested_hooks_count = 0; |
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| 384 | if ( $nested_hooks ) { |
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| 385 | foreach ($nested_hooks as $key => $value) { |
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| 386 | $nested_hooks_count += count($value); |
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| 387 | } |
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| 388 | } |
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| 389 | ?> |
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| 390 | <span style="display:none;" class="cxssh-hook cxssh-hook-<?php echo $args['type'] ?> <?php echo ( $nested_hooks ) ? 'cxssh-hook-has-hooks' : '' ; ?>" > |
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| 391 | |
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| 392 | <?php |
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| 393 | if ( 'action' == $args['type'] ) { |
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| 394 | ?> |
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| 395 | <span class="cxssh-hook-type cxssh-hook-type">A</span> |
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| 396 | <?php |
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| 397 | } |
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| 398 | else if ( 'filter' == $args['type'] ) { |
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| 399 | ?> |
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| 400 | <span class="cxssh-hook-type cxssh-hook-type">F</span> |
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| 401 | <?php |
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| 402 | } |
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| 403 | ?> |
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| 404 | |
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| 405 | <?php |
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| 406 | |
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| 407 | // Main - Write the action hook name. |
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| 408 | //echo esc_html( $args['ID'] ); |
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| 409 | echo $args['ID']; |
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| 410 | |
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| 411 | // @TODO - Caller function testing. |
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| 412 | if ( isset( $extra_data[1] ) && FALSE !== $extra_data[1] ) { |
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| 413 | foreach ( $extra_data as $extra_data_key => $extra_data_value ) { |
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| 414 | echo '<br />'; |
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| 415 | echo $extra_data_value['function']; |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | // Write the count number if any function are hooked. |
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| 420 | if ( $nested_hooks_count ) { |
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| 421 | ?> |
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| 422 | <span class="cxssh-hook-count"> |
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| 423 | <?php echo $nested_hooks_count ?> |
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| 424 | </span> |
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| 425 | <?php |
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| 426 | } |
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| 427 | |
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| 428 | // Write out list of all the function hooked to an action. |
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| 429 | if ( isset( $wp_filter[$args['ID']] ) ): |
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| 430 | |
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| 431 | $nested_hooks = $wp_filter[$args['ID']]; |
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| 432 | |
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| 433 | if ( $nested_hooks ): |
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| 434 | ?> |
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| 435 | <ul class="cxssh-hook-dropdown"> |
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| 436 | |
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| 437 | <li class="cxssh-hook-heading"> |
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| 438 | <strong><?php echo $args['type'] ?>:</strong> <?php echo $args['ID']; ?> |
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| 439 | </li> |
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| 440 | |
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| 441 | <?php |
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| 442 | foreach ( $nested_hooks as $nested_key => $nested_value ) : |
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| 443 | |
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| 444 | // Show the priority number if the following hooked functions |
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| 445 | ?> |
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| 446 | <li class="cxssh-priority"> |
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| 447 | <span class="cxssh-priority-label"><strong><?php echo 'Priority:'; /* _e('Priority', 'simply-show-hooks') */ ?></strong> <?php echo $nested_key ?></span> |
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| 448 | </li> |
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| 449 | <?php |
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| 450 | |
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| 451 | foreach ( $nested_value as $nested_inner_key => $nested_inner_value ) : |
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| 452 | |
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| 453 | // Show all teh functions hooked to this priority of this hook |
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| 454 | ?> |
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| 455 | <li> |
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| 456 | <?php |
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| 457 | if ( $nested_inner_value['function'] && is_array( $nested_inner_value['function'] ) && count( $nested_inner_value['function'] ) > 1 ): |
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| 458 | |
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| 459 | // Hooked function ( of type object->method() ) |
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| 460 | ?> |
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| 461 | <span class="cxssh-function-string"> |
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| 462 | <?php |
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| 463 | $classname = false; |
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| 464 | |
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| 465 | if ( is_object( $nested_inner_value['function'][0] ) || is_string( $nested_inner_value['function'][0] ) ) { |
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| 466 | |
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| 467 | if ( is_object( $nested_inner_value['function'][0] ) ) { |
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| 468 | $classname = get_class($nested_inner_value['function'][0] ); |
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| 469 | } |
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| 470 | |
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| 471 | if ( is_string( $nested_inner_value['function'][0] ) ) { |
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| 472 | $classname = $nested_inner_value['function'][0]; |
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| 473 | } |
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| 474 | |
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| 475 | if ( $classname ) { |
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| 476 | ?><?php echo $classname ?>–><?php |
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| 477 | } |
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| 478 | } |
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| 479 | ?><?php echo $nested_inner_value['function'][1] ?> |
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| 480 | </span> |
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| 481 | <?php |
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| 482 | else : |
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| 483 | |
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| 484 | // Hooked function ( of type function() ) |
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| 485 | ?> |
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| 486 | <span class="cxssh-function-string"> |
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| 487 | <?php echo $nested_inner_key ?> |
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| 488 | </span> |
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| 489 | <?php |
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| 490 | endif; |
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| 491 | ?> |
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| 492 | |
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| 493 | </li> |
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| 494 | <?php |
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| 495 | |
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| 496 | endforeach; |
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| 497 | |
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| 498 | endforeach; |
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| 499 | ?> |
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| 500 | |
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| 501 | </ul> |
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| 502 | <?php |
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| 503 | endif; |
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| 504 | |
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| 505 | endif; |
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| 506 | ?> |
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| 507 | </span> |
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| 508 | <?php |
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| 509 | } |
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| 510 | |
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| 511 | /* |
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| 512 | * Filter Hooks Panel |
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| 513 | */ |
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| 514 | function filter_hooks_panel() { |
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| 515 | global $wp_filter, $wp_actions; |
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| 516 | ?> |
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| 517 | <div class="cxssh-nested-hooks-block <?php echo ( 'show-filter-hooks' == $this->status ) ? 'cxssh-active' : '' ; ?> "> |
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| 518 | <?php |
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| 519 | foreach ( $this->all_hooks as $va_nested_value ) { |
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| 520 | |
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| 521 | if ( 'action' == $va_nested_value['type'] || 'filter' == $va_nested_value['type'] ) { |
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| 522 | $this->render_action( $va_nested_value ); |
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| 523 | } |
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| 524 | else{ |
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| 525 | ?> |
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| 526 | <div class="cxssh-collection-divider"> |
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| 527 | <?php echo $va_nested_value['ID'] ?> |
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| 528 | </div> |
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| 529 | <?php |
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| 530 | } |
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| 531 | |
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| 532 | /* |
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| 533 | ?> |
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| 534 | <div class="va-action"> |
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| 535 | <?php echo $va_nested_value ?> |
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| 536 | </div> |
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| 537 | <?php |
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| 538 | */ |
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| 539 | } |
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| 540 | ?> |
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| 541 | </div> |
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| 542 | <?php |
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| 543 | } |
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| 544 | |
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| 545 | function plugin_active() { |
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| 546 | |
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| 547 | // Filters to deactivate our plugin - backend, frontend or sitewide. |
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| 548 | // add_filter( 'simply_show_hooks_active', '__return_false' ); |
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| 549 | // add_filter( 'simply_show_hooks_backend_active', '__return_false' ); |
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| 550 | // add_filter( 'simply_show_hooks_frontend_active', '__return_false' ); |
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| 551 | |
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| 552 | if ( ! apply_filters( 'simply_show_hooks_active', TRUE ) ) { |
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| 553 | |
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| 554 | // Sitewide. |
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| 555 | return FALSE; |
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| 556 | } |
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| 557 | |
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| 558 | if ( is_admin() ) { |
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| 559 | |
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| 560 | // Backend. |
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| 561 | if ( ! apply_filters( 'simply_show_hooks_backend_active', TRUE ) ) return FALSE; |
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| 562 | } |
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| 563 | else { |
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| 564 | |
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| 565 | // Frontend. |
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| 566 | if ( ! apply_filters( 'simply_show_hooks_frontend_active', TRUE ) ) return FALSE; |
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| 567 | } |
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| 568 | |
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| 569 | return TRUE; |
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| 570 | } |
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| 571 | } |
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| 572 | |
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| 573 | CX_Simply_Show_Hooks::get_instance(); |
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