nt = 1; // Start at 1 instead of 0 since the first thing we do is decrement do { // We had some string left over from the last round, but we counted it in that last round. $count--; // Split by UTF-8 character, limit to 1000 characters (last array element will contain the rest of the string) $pieces = preg_split( $regex, $str, 1000 ); // Increment $count += count( $pieces ); } while ( $str = array_pop( $pieces ) ); // If there's anything left over, repeat the loop. // Fencepost: preg_split() always returns one extra item in the array return --$count; } if ( !function_exists('hash_hmac') ): function hash_hmac($algo, $data, $key, $raw_output = false) { return _hash_hmac($algo, $data, $key, $raw_output); } endif; function _hash_hmac($algo, $data, $key, $raw_output = false) { $packs = array('md5' => 'H32', 'sha1' => 'H40'); if ( !isset($packs[$algo]) ) return false; $pack = $packs[$algo]; if (strlen($key) > 64) $key = pack($pack, $algo($key)); $key = str_pad($key, 64, chr(0)); $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); $hmac = $algo($opad . pack($pack, $algo($ipad . $data))); if ( $raw_output ) return pack( $pack, $hmac ); return $hmac; } if ( !function_exists('json_encode') ) { function json_encode( $string ) { global $wp_json; if ( ! ( $wp_json instanceof Services_JSON ) ) { require_once( ABSPATH . WPINC . '/class-json.php' ); $wp_json = new Services_JSON(); } return $wp_json->encodeUnsafe( $string ); } } if ( !function_exists('json_decode') ) { function json_decode( $string, $assoc_array = false ) { global $wp_json; if ( ! ($wp_json instanceof Services_JSON ) ) { require_once( ABSPATH . WPINC . '/class-json.php' ); $wp_json = new Services_JSON(); } $res = $wp_json->decode( $string ); if ( $assoc_array ) $res = _json_decode_object_helper( $res ); return $res; } function _json_decode_object_helper($data) { if ( is_object($data) ) $data = get_object_vars($data); return is_array($data) ? array_map(__FUNCTION__, $data) : $data; } } if ( ! function_exists( 'hash_equals' ) ) : /** * Compare two strings in constant time. * * This function was added in PHP 5.6. * It can leak the length of a string. * * @since 3.9.2 * * @param string $a Expected string. * @param string $b Actual string. * @return bool Whether strings are equal. */ function hash_equals( $a, $b ) { $a_length = strlen( $a ); if ( $a_length !== strlen( $b ) ) { return false; } $result = 0; // Do not attempt to "optimize" this. for ( $i = 0; $i < $a_length; $i++ ) { $result |= ord( $a[ $i ] ) ^ ord( $b[ $i ] ); } return $result === 0; } endif; // JSON_PRETTY_PRINT was introduced in PHP 5.4 // Defined here to prevent a notice when using it with wp_json_encode() if ( ! defined( 'JSON_PRETTY_PRINT' ) ) { define( 'JSON_PRETTY_PRINT', 128 ); }