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Mini Shell
Mini Shell
<?php
/**
* Add small screen with information about hooks on current page of WP
*
* @package Debug Objects
* @subpackage Current Hooks
* @author Frank Bültge
* @since 2.0.0
*/
if ( ! function_exists( 'add_filter' ) ) {
echo "Hi there! I'm just a part of plugin, not much I can do when called directly.";
exit;
}
if ( class_exists( 'Debug_Objects_Page_Hooks' ) ) {
return NULL;
}
class Debug_Objects_Page_Hooks {
protected static $classobj = NULL;
public $filters_storage = array();
// define strings for important hooks to easier identify
public $my_important_hooks = array();
/**
* Handler for the action 'init'. Instantiates this class.
*
* @access public
* @return \Debug_Objects_Page_Hooks|null $classobj
*/
public static function init() {
NULL === self::$classobj and self::$classobj = new self();
return self::$classobj;
}
/**
* Constructor, init the methods
*
* @return \Debug_Objects_Page_Hooks
@since 2.1.11
*/
public function __construct() {
if ( ! current_user_can( '_debug_objects' ) ) {
return NULL;
}
add_action( 'all', array( $this, 'store_fired_filters' ) );
add_filter( 'debug_objects_tabs', array( $this, 'get_conditional_tab' ) );
}
/**
* Add content for tabs
*
* @param Array $tabs
*
* @return Array $tabs
*/
public function get_conditional_tab( $tabs ) {
$tabs[ ] = array(
'tab' => __( 'Page Hooks' ),
'function' => array( $this, 'get_hooks' )
);
return $tabs;
}
public function store_fired_filters( $tag ) {
global $wp_filter;
if ( ! isset( $wp_filter[ $tag ] ) ) {
return NULL;
}
$hooked = $wp_filter[ $tag ];
// Usable since WP 3.9
$fired = '';
if ( function_exists( 'doing_filter' ) ) {
$fired = 'Fired: FALSE, ';
if ( doing_filter( $tag ) ) {
$fired = 'Fired: TRUE, ';
}
}
ksort( $hooked );
foreach ( $hooked as $priority => $function ) {
//prevent buffer overflows of PHP_INT_MAX on array keys
//so reset the array keys
$hooked = array_values( $hooked );
array_push( $hooked, $function );
}
$this->filters_storage[ ] = array(
'tag' => $tag,
'hooked' => $wp_filter[ $tag ],
'fired' => $fired
);
}
/**
* Get hooks for current page
*
* @return String
*/
public function get_hooks() {
global $wp_actions;
// Use this hook for remove Action Hook, like custom action hooks
$wp_actions = apply_filters( 'debug_objects_wp_actions', $wp_actions );
$callbacks = array();
$hooks = array();
$filter_hooks = '';
$filter_callbacks = '';
// Use this hook for remove Filter Hook from the completely array, like custom filter hooks
$filters_storage = apply_filters( 'debug_objects_wp_filters', $this->filters_storage );
foreach ( $filters_storage as $index => $the_ ) {
// Use this hook for remove Filter Hook, like custom filter hooks
$filter_hook = apply_filters( 'debug_objects_filter_tag', array() );
// Filter the Filter Hooks
if ( in_array( $the_[ 'tag' ], $filter_hook ) ) {
break;
}
$hook_callbacks = array();
if ( ! in_array( $the_[ 'tag' ], $hooks ) ) {
$hooks[ ] = $the_[ 'tag' ];
$filter_hooks .= "<tr><td><code>{$the_['tag']}</code></td></tr>";
}
foreach ( $the_[ 'hooked' ] as $priority => $hooked ) {
foreach ( $hooked as $id => $function ) {
if ( is_string( $function[ 'function' ] ) ) {
// as array
$hook_callbacks[ ] = array(
'name' => $function[ 'function' ],
'args' => $function[ 'accepted_args' ],
'priority' => $priority
);
// readable
$filter_callbacks = "{$the_['fired']}Function: {$function['function']}(), Arguments: {$function['accepted_args']}, Priority: {$priority}";
}
}
}
$callbacks[ $the_[ 'tag' ] ][ ] = $filter_callbacks;
}
// Format important hooks, that you easier identifier this hooks
$this->my_important_hooks = apply_filters(
'debug_objects_important_hooks',
array( 'admin_print_', 'admin_head-', 'admin_footer-', 'add_meta_boxes' )
);
$output = '';
$output .= '<table>';
$output .= '<tr class="nohover">';
$output .= "\t" . '<th>Total Action Hooks: ' . count( $wp_actions ) . '</th>';
//$output .= '<th>Total Filter Hooks: ' . count( $hooks ) . '</th>';
$output .= "\t" . '<th>Total Filter Hooks & Callback: ' . count( $callbacks ) . '</th>';
$output .= '</tr>';
$output .= '<tr class="nohover">';
$output .= "\t" . '<td><table class="tablesorter">';
// Usable since WP 3.9
if ( function_exists( 'did_action' ) ) {
$count_fired = '<th>Count Fired</th>';
}
$output .= "\t" . '<thead><tr><th>Fired in order</th><th>Action Hook</th>' . $count_fired . '</tr></thead>';
$order = 1;
foreach ( $wp_actions as $key => $val ) {
// Format, if the key is inside the important list of hooks
foreach ( $this->my_important_hooks as $hook ) {
if ( FALSE !== strpos( $key, $hook ) ) {
$key = '<span>' . $key . ' </span>';
}
}
// Usable since WP 3.9
if ( function_exists( 'did_action' ) ) {
$count_fired = (int) did_action( $key );
} else {
$count_fired = (int) $val;
}
$output .= '<tr><td>' . $order . '.</td><td><code>' . $key . '</code></td><td>' . $count_fired . '</td></tr>';
$order ++;
}
$output .= '</table>';
$output .= '</td>';
$output .= "\t" . '<td>';
$output .= "\t\t" . '<table class="tablesorter">';
$output .= "\t" . '<thead><tr><th>Fired in order</th><th>Filter Hook & Callback</th></tr></thead>';
$order = 1;
foreach ( $callbacks as $hook => $values ) {
// remove duplicate items
$values = array_unique( $values );
foreach ( $values as $key => $value ) {
$escape = htmlspecialchars( $value, ENT_QUOTES, 'utf-8', FALSE );
if ( empty( $escape ) ) {
$escape = __( 'Empty' );
}
$output .= '<tr>';
$output .= "\t" . '<td>' . $order . '.</td><td>' . __( 'Hook:' )
. ' <code>' . $hook . '</code><br> ' . $escape . '</td>';
$output .= '</tr>';
}
$order ++;
}
$output .= "\t\t" . '</table>';
$output .= "\t" . '</td>';
$output .= '</tr>';
$output .= '</table>';
echo $output;
}
public function search_string( $haystack ) {
$needle = $this->needle;
return ( strpos( $haystack, $needle ) ); // or stripos() if you want case-insensitive searching.
}
} // end class
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