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Plugins: Add a `current_priority()` method to `WP_Hook`. 

This allows plugins to determine the currently running priority of a filter.

Fixes #39007.



git-svn-id: https://develop.svn.wordpress.org/trunk@39430 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast 2016-12-02 07:09:33 +00:00
parent 4db36030e9
commit 5ff3f14d78
2 changed files with 49 additions and 0 deletions
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16
src/wp-includes/class-wp-hook.php
View File

@ -351,6 +351,22 @@ final class WP_Hook implements Iterator, ArrayAccess {
$this->nesting_level--;
}
/**
* Return the current priority level of the currently running iteration of the hook.
*
* @since 4.7.0
* @access public
*
* @return int|false If the hook is running, return the current priority level. If it isn't running, return false.
*/
public function current_priority() {
if ( false === current( $this->iterations ) ) {
return false;
}
return current( current( $this->iterations ) );
}
/**
* Normalizes filters set up before WordPress has initialized to WP_Hook objects.
*

33
tests/phpunit/tests/filters.php
View File

@ -347,4 +347,37 @@ class Tests_Filters extends WP_UnitTestCase {
$this->assertSame( $val, apply_filters_deprecated( 'tests_apply_filters_deprecated', array( $val ), '4.6' ) );
}
private $current_priority;
/**
* @ticket 39007
*/
public function test_current_priority() {
add_action( 'test_current_priority', array( $this, '_current_priority_action' ), 99 );
do_action( 'test_current_priority' );
remove_action( 'test_current_priority', array( $this, '_current_priority_action' ), 99 );
$this->assertSame( 99, $this->current_priority );
}
public function _current_priority_action() {
global $wp_filter;
$this->current_priority = $wp_filter[ current_filter() ]->current_priority();
}
/**
* @ticket 39007
*/
public function test_other_priority() {
add_action( 'test_current_priority', array( $this, '_other_priority_action' ), 99 );
do_action( 'test_current_priority' );
remove_action( 'test_current_priority', array( $this, '_other_priority_action' ), 99 );
$this->assertSame( false, $this->current_priority );
}
public function _other_priority_action() {
global $wp_filter;
$this->current_priority = $wp_filter[ 'the_content' ]->current_priority();
}
}