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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/post.php
+1 -1
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@@ -422,7 +422,7 @@ function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
if ( empty( $post ) && isset( $GLOBALS['post'] ) )
$post = $GLOBALS['post'];
if ( is_a( $post, 'WP_Post' ) ) {
if ( $post instanceof WP_Post ) {
$_post = $post;
} elseif ( is_object( $post ) ) {
if ( empty( $post->filter ) ) {