General: Backport polyfills for str_ends_with() and str_starts_with() .
Merges [52040], [56016], and [56015] to 5.8 branch. Props ocean90, SergeyBiryukov, desrosj, joemcgill, jorbin, mukesh27. Built from https://develop.svn.wordpress.org/branches/5.8@57449 git-svn-id: http://core.svn.wordpress.org/branches/5.8@56950 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -371,6 +371,52 @@ if ( ! function_exists( 'is_iterable' ) ) {
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}
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}
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if ( ! function_exists( 'str_starts_with' ) ) {
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/**
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* Polyfill for `str_starts_with()` function added in PHP 8.0.
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*
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* Performs a case-sensitive check indicating if
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* the haystack begins with needle.
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*
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* @since 5.9.0
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*
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* @param string $haystack The string to search in.
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* @param string $needle The substring to search for in the `$haystack`.
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* @return bool True if `$haystack` starts with `$needle`, otherwise false.
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*/
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function str_starts_with( $haystack, $needle ) {
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if ( '' === $needle ) {
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return true;
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}
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return 0 === strpos( $haystack, $needle );
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}
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}
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if ( ! function_exists( 'str_ends_with' ) ) {
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/**
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* Polyfill for `str_ends_with()` function added in PHP 8.0.
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*
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* Performs a case-sensitive check indicating if
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* the haystack ends with needle.
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*
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* @since 5.9.0
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*
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* @param string $haystack The string to search in.
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* @param string $needle The substring to search for in the `$haystack`.
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* @return bool True if `$haystack` ends with `$needle`, otherwise false.
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*/
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function str_ends_with( $haystack, $needle ) {
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if ( '' === $haystack ) {
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return '' === $needle;
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}
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$len = strlen( $needle );
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return substr( $haystack, -$len, $len ) === $needle;
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}
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}
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// IMAGETYPE_WEBP constant is only defined in PHP 7.1 or later.
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if ( ! defined( 'IMAGETYPE_WEBP' ) ) {
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define( 'IMAGETYPE_WEBP', 18 );
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