php-extension - php扩展中实例化对象并调用方法

WBOY
Release: 2016-06-06 20:49:19
Original
1143 people have browsed it

使用函数宏call_user_function调用类中的方法:
如下:

<code>ZEND_FUNCTION(call_say){
//调用myclass中的say方法
zval *obj,*method_construct,*method_say,*name,*age;
int name_len,age_len;
zend_uint param_count=ZEND_NUM_ARGS();
zval *params[param_count];

MAKE_STD_ZVAL(obj);
MAKE_STD_ZVAL(method_construct);
MAKE_STD_ZVAL(method_say);

object_init_ex(obj, people_ce);

ZVAL_STRINGL(method_construct,"__construct",strlen("__construct"),1);
ZVAL_STRINGL(method_say,"say",strlen("say"),1);

//获取参数
if(zend_parse_parameters(param_count TSRMLS_CC,"ss",&name,&name_len,&age,&age_len)==FAILURE){
    WRONG_PARAM_COUNT;
}

params[0]=name;
params[1]=age;

//__construct中存在参数 
call_user_function(NULL, &obj, method_construct, NULL,param_count,params TSRMLS_CC); 
call_user_function(NULL, &obj, method_say,NULL,0,NULL TSRMLS_CC);

zval_ptr_dtor(&obj);
zval_ptr_dtor(&method_construct);
zval_ptr_dtor(&method_say);
return;
</code>
Copy after login
Copy after login

}

这个call_user_function好像用错了样的。执行出现 Segmentation fault ! 哪位大神帮看下!
我想要的效果:
类中的两个方法:

<code>public function __construct($name,$age){
        $this->name=$name;
        $this->age=$age;
    }
    public function say(){
        echo "我叫{$this->name},我今年{$this->age}岁了";
    }
</code>
Copy after login
Copy after login

补充:自己解决了
retval没有设置就出现这个错误:
首先定义:zval *retval;
分配内存:MAKE_STD_ZVAL(retval)

<code>call_user_function(NULL, &obj, method_say, retval, 0, NULL TSRMLS_CC)
</code>
Copy after login
Copy after login

segmentfault的人气好像不行。。。。

回复内容:

使用函数宏call_user_function调用类中的方法:
如下:

<code>ZEND_FUNCTION(call_say){
//调用myclass中的say方法
zval *obj,*method_construct,*method_say,*name,*age;
int name_len,age_len;
zend_uint param_count=ZEND_NUM_ARGS();
zval *params[param_count];

MAKE_STD_ZVAL(obj);
MAKE_STD_ZVAL(method_construct);
MAKE_STD_ZVAL(method_say);

object_init_ex(obj, people_ce);

ZVAL_STRINGL(method_construct,"__construct",strlen("__construct"),1);
ZVAL_STRINGL(method_say,"say",strlen("say"),1);

//获取参数
if(zend_parse_parameters(param_count TSRMLS_CC,"ss",&name,&name_len,&age,&age_len)==FAILURE){
    WRONG_PARAM_COUNT;
}

params[0]=name;
params[1]=age;

//__construct中存在参数 
call_user_function(NULL, &obj, method_construct, NULL,param_count,params TSRMLS_CC); 
call_user_function(NULL, &obj, method_say,NULL,0,NULL TSRMLS_CC);

zval_ptr_dtor(&obj);
zval_ptr_dtor(&method_construct);
zval_ptr_dtor(&method_say);
return;
</code>
Copy after login
Copy after login

}

这个call_user_function好像用错了样的。执行出现 Segmentation fault ! 哪位大神帮看下!
我想要的效果:
类中的两个方法:

<code>public function __construct($name,$age){
        $this->name=$name;
        $this->age=$age;
    }
    public function say(){
        echo "我叫{$this->name},我今年{$this->age}岁了";
    }
</code>
Copy after login
Copy after login

补充:自己解决了
retval没有设置就出现这个错误:
首先定义:zval *retval;
分配内存:MAKE_STD_ZVAL(retval)

<code>call_user_function(NULL, &obj, method_say, retval, 0, NULL TSRMLS_CC)
</code>
Copy after login
Copy after login

segmentfault的人气好像不行。。。。

学习了,刚好用到

我比你更气人,我 retval 也没问题,现在还在查错中。。。

Related labels:
php
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!