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wp-includes/compat.php › WordPress File
Functions11
› WordPress implementation for PHP functions either missing from older PHP versions or not included by default.
| Function | Short description |
|---|---|
| hash_equals | Timing attack safe string comparison |
| hash_hmac | Compat function to mimic hash_hmac(). |
| is_countable | Polyfill for is_countable() function added in PHP 7.3. |
| is_iterable | Polyfill for is_iterable() function added in PHP 7.1. |
| mb_strlen | Compat function to mimic mb_strlen(). |
| mb_substr | Compat function to mimic mb_substr(). |
| _ | - |
| _hash_hmac | Internal compat function to mimic hash_hmac(). |
| _mb_strlen | Internal compat function to mimic mb_strlen(). |
| _mb_substr | Internal compat function to mimic mb_substr(). |
| _wp_can_use_pcre_u | Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use. |