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Ignore:
Timestamp:
04/30/2018 04:14:30 AM (6 years ago)
Author:
SergeyBiryukov
Message:

General: Introduce a polyfill for is_iterable() function added in PHP 7.1.

Props jrf, schlessera, desrosj.
See #43619.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/compat.php

    r43034 r43036  
    512512     *
    513513     * Verify that the content of a variable is an array or an object
    514      * implementing Countable.
     514     * implementing the Countable interface.
    515515     *
    516516     * @since 4.9.6
     
    524524    }
    525525}
     526
     527if ( ! function_exists( 'is_iterable' ) ) {
     528    /**
     529     * Polyfill for is_iterable() function added in PHP 7.1.
     530     *
     531     * Verify that the content of a variable is an array or an object
     532     * implementing the Traversable interface.
     533     *
     534     * @since 4.9.6
     535     *
     536     * @param mixed $var The value to check.
     537     *
     538     * @return bool True if `$var` is iterable, false otherwise.
     539     */
     540    function is_iterable( $var ) {
     541        return ( is_array( $var ) || $var instanceof Traversable );
     542    }
     543}
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