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General: Introduce polyfill for str_contains() added in PHP 8.0.

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PHP 8.0 introduced a new function: `str_contains()`. It performs a case-sensitive check indicating if given substring (needle) is contained in the string to search in (haystack).

This polyfill makes this function available for use in Core.

Ref:
* PHP RFC https://wiki.php.net/rfc/str_contains
* PHP manual https://www.php.net/manual/en/function.str-contains.php

Props ayeshrajans, costdev, desrosj, hellofromTonya, knutsp, pbearne.
Fixes #49652.

git-svn-id: https://develop.svn.wordpress.org/trunk@52039 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Tonya Mork
2021-11-08 14:02:54 +00:00
parent b21d748b41
commit 3cc8f1237a
2 changed files with 122 additions and 0 deletions
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18
src/wp-includes/compat.php
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@@ -417,6 +417,24 @@ if ( ! function_exists( 'array_key_last' ) ) {
}
}
if ( ! function_exists( 'str_contains' ) ) {
/**
* Polyfill for `str_contains()` function added in PHP 8.0.
*
* Performs a case-sensitive check indicating if needle is
* contained in haystack.
*
* @since 5.9.0
*
* @param string $haystack The string to search in.
* @param string $needle The substring to search for in the haystack.
* @return bool True if `$needle` is in `$haystack`, otherwise false.
*/
function str_contains( $haystack, $needle ) {
return ( '' === $needle || false !== strpos( $haystack, $needle ) );
}
}
// IMAGETYPE_WEBP constant is only defined in PHP 7.1 or later.
if ( ! defined( 'IMAGETYPE_WEBP' ) ) {
define( 'IMAGETYPE_WEBP', 18 );