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Plugins: Restore backward compatibility for PHP4-style passing of array( &$this ) as action argument to do_action().

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This is a follow-up to [46149] to avoid unnecessary breakage in case of using the old notation.

Props david.binda, jrf.
Reviewed by azaozz.
Fixes #48312.

git-svn-id: https://develop.svn.wordpress.org/trunk@46568 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2019-10-22 00:09:39 +00:00
parent 67a937a2fd
commit 99d5986b0c
2 changed files with 22 additions and 0 deletions
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3
src/wp-includes/plugin.php
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@@ -470,6 +470,9 @@ function do_action( $tag, ...$arg ) {
if ( empty( $arg ) ) {
$arg[] = '';
} elseif ( is_array( $arg[0] ) && 1 === count( $arg[0] ) && isset( $arg[0][0] ) && is_object( $arg[0][0] ) ) {
// Backward compatibility for PHP4-style passing of `array( &$this )` as action `$arg`.
$arg[0] = $arg[0][0];
}
$wp_filter[ $tag ]->do_action( $arg );