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General: Introduce a polyfill for is_countable() function added in PHP 7.3.

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Props jrf, ayeshrajans, desrosj.
See #43583.
Built from https://develop.svn.wordpress.org/trunk@43034


git-svn-id: http://core.svn.wordpress.org/trunk@42863 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2018-04-30 03:43:21 +00:00
parent 70a214c186
commit 5813ccec07
2 changed files with 19 additions and 1 deletions
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18
wp-includes/compat.php
View File

@ -505,3 +505,21 @@ endif;
if ( ! function_exists( 'spl_autoload_register' ) ) {
require_once ABSPATH . WPINC . '/spl-autoload-compat.php';
}
if ( ! function_exists( 'is_countable' ) ) {
/**
* Polyfill for is_countable() function added in PHP 7.3.
*
* Verify that the content of a variable is an array or an object
* implementing Countable.
*
* @since 4.9.6
*
* @param mixed $var The value to check.
*
* @return bool True if `$var` is countable, false otherwise.
*/
function is_countable( $var ) {
return ( is_array( $var ) || $var instanceof Countable );
}
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.0-alpha-43032';
$wp_version = '5.0-alpha-43034';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.