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insert-headers-and-footers
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compat.php
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<?php defined( 'ABSPATH' ) || exit; if ( ! function_exists( 'str_contains' ) ) { /** * Polyfill for str_contains() function added in PHP 8.0. * * @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 ) ); } }