1--TEST-- 2FFI 101: PHP symbols (function address) 3--EXTENSIONS-- 4ffi 5--SKIPIF-- 6<?php 7try { 8 FFI::cdef("extern void *zend_printf;"); 9} catch (Throwable $e) { 10 die('skip PHP symbols not available'); 11} 12?> 13--INI-- 14ffi.enable=1 15--FILE-- 16<?php 17require_once('utils.inc'); 18$fastcall = ffi_get_fastcall_specifier(); 19$zend = FFI::cdef(" 20 const char *get_zend_version(void); 21 //char *get_zend_version(void); 22 extern size_t (*zend_printf)(const char *format, ...); 23 24 unsigned long $fastcall zend_hash_func(const char *str, size_t len); 25 26 void $fastcall zend_str_tolower(char *str, size_t length); 27 28"); 29$f = $zend->get_zend_version; 30var_dump(trim(explode("\n",$f())[0])); 31//var_dump(trim(FFI::string($zend->get_zend_version()))); 32var_dump($zend->zend_printf); 33var_dump(($zend->zend_printf)("Hello %s!\n", "World")); 34 35$f = $zend->zend_hash_func; 36var_dump($f("file", strlen("file"))); 37 38$str = $zend->new("char[16]"); 39FFI::memcpy($str, "Hello World!", strlen("Hello World!")); 40$f = $zend->zend_str_tolower; 41$f($str, strlen("Hello World!")); 42var_dump(FFI::string($str)); 43 44?> 45--EXPECTF-- 46string(%d) "Zend Engine %s" 47object(FFI\CData:uint%d_t(*)())#%d (1) { 48 [0]=> 49 object(FFI\CData:uint%d_t())#%d (0) { 50 } 51} 52Hello World! 53int(13) 54int(%i) 55string(12) "hello world!" 56