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Ignore:
Timestamp:
04/30/2018 04:16:43 AM (4 years ago)
Author:
SergeyBiryukov
Message:

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

Props jrf, schlessera, desrosj.
Merges [43036] to the 4.9 branch.
See #43619.

Location:
branches/4.9
Files:
2 edited

Legend:

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Added
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  • branches/4.9

  • branches/4.9/src/wp-includes/compat.php

    r43035 r43037  
    504504     *
    505505     * Verify that the content of a variable is an array or an object
    506      * implementing Countable.
     506     * implementing the Countable interface.
    507507     *
    508508     * @since 4.9.6
     
    516516    }
    517517}
     518
     519if ( ! function_exists( 'is_iterable' ) ) {
     520    /**
     521     * Polyfill for is_iterable() function added in PHP 7.1.
     522     *
     523     * Verify that the content of a variable is an array or an object
     524     * implementing the Traversable interface.
     525     *
     526     * @since 4.9.6
     527     *
     528     * @param mixed $var The value to check.
     529     *
     530     * @return bool True if `$var` is iterable, false otherwise.
     531     */
     532    function is_iterable( $var ) {
     533        return ( is_array( $var ) || $var instanceof Traversable );
     534    }
     535}
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