php_filter_string 53 ext/filter/filter.c { "string", FILTER_SANITIZE_STRING, php_filter_string }, php_filter_string 54 ext/filter/filter.c { "stripped", FILTER_SANITIZE_STRING, php_filter_string }, php_filter_string 85 ext/filter/php_filter.h void php_filter_string(PHP_INPUT_FILTER_PARAM_DECL);