php_all_sys::php54

Function zend_hash_get_current_key_ex

Source 
pub unsafe extern "C" fn zend_hash_get_current_key_ex(
    ht: *const HashTable,
    str_index: *mut *mut c_char,
    str_length: *mut uint,
    num_index: *mut ulong,
    duplicate: zend_bool,
    pos: *mut HashPosition,
) -> c_int