15 lines
333 B
PHP
15 lines
333 B
PHP
|
<?php
|
||
|
|
|
||
|
|
class WPML_Encoding_Validation {
|
||
|
|
|
||
|
|
const MIN_CHAR_SIZE = 20;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param $string
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function is_base64( $string ) {
|
||
|
|
return self::MIN_CHAR_SIZE < strlen( $string ) && preg_match_all( '#^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$#', $string, $matches );
|
||
|
|
}
|
||
|
|
}
|