fix error

pangudashu · pangudashu · commit 70108cd0868d · 2017-07-07T16:10:45.000+08:00
diff --git a/7/func.md b/7/func.md
@@ -355,7 +355,7 @@ callable指函数或成员方法，如果参数是函数名称字符串、array(
 zend_fcall_info         callable; //注意，这两个结构不能是指针
 zend_fcall_info_cache   call_cache;
 
-if(zend_parse_parameters(
+if(zend_parse_parameters(ZEND_NUM_ARGS(), "f", &callable, &call_cache) == FAILURE){
     RETURN_FALSE;
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -355,7 +355,7 @@ callable指函数或成员方法，如果参数是函数名称字符串、array(`
`355`	`355`	`zend_fcall_info callable; //注意，这两个结构不能是指针`
`356`	`356`	`zend_fcall_info_cache call_cache;`
`357`	`357`
`358`		`-if(zend_parse_parameters(`
	`358`	`+if(zend_parse_parameters(ZEND_NUM_ARGS(), "f", &callable, &call_cache) == FAILURE){`
`359`	`359`	`RETURN_FALSE;`
`360`	`360`	`}`
`361`	`361`	```