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In PHP 5.0.0, is_a() became deprecated in favour of the instanceof operator. Calling is_a() would result in an E_STRICT warning.

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In PHP 5.3.0, `is_a()` is no longer deprecated, and will therefore no longer throw `E_STRICT` warnings.

To avoid warnings in PHP < 5.3.0, convert all `is_a()` calls to `$var instanceof WP_Class` calls.

`instanceof` does not throw any error if the variable being tested is not an object, it simply returns `false`.

Props markoheijnen, wonderboymusic.
Fixes #25672.


git-svn-id: https://develop.svn.wordpress.org/trunk@31188 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2015-01-16 01:05:52 +00:00
parent 102fb4ac5c
commit 5acc6bdb58
24 changed files with 76 additions and 68 deletions
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src/wp-includes/widgets.php
+2 -1
View File
@@ -1552,8 +1552,9 @@ function the_widget( $widget, $instance = array(), $args = array() ) {
global $wp_widget_factory;
$widget_obj = $wp_widget_factory->widgets[$widget];
if ( !is_a($widget_obj, 'WP_Widget') )
if ( ! ( $widget_obj instanceof WP_Widget ) ) {
return;
}
$before_widget = sprintf('<div class="widget %s">', $widget_obj->widget_options['classname'] );
$default_args = array( 'before_widget' => $before_widget, 'after_widget' => "</div>", 'before_title' => '<h2 class="widgettitle">', 'after_title' => '</h2>' );