SAPI_INPUT_FILTER_FUNC  302 main/SAPI.h    #define SAPI_INPUT_FILTER_FUNC(input_filter) unsigned int input_filter(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC)
SAPI_INPUT_FILTER_FUNC  355 main/php_variables.c SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter)