fopen_function    661 Zend/zend.c    	zend_fopen = utility_functions->fopen_function;
fopen_function    199 Zend/zend.h    	FILE *(*fopen_function)(const char *filename, zend_string **opened_path);
fopen_function   2066 main/main.c    	zuf.fopen_function = php_fopen_wrapper_for_zend;