arg_length        903 ext/mbstring/mbstring.c static const zend_encoding *php_mb_zend_encoding_detector(const unsigned char *arg_string, size_t arg_length, const zend_encoding **list, size_t list_size)
arg_length        915 ext/mbstring/mbstring.c 	string.len = arg_length;
arg_length        149 ext/mbstring/mbstring.h MBSTRING_API int php_mb_encoding_detector_ex(const char *arg_string, int arg_length,