标题：在PHP的扩展(extension)中调用其他的php函数
出处：Felix021
时间：Mon, 20 Jun 2011 15:28:11 +0000
作者：felix021
地址：https://www.felix021.com/blog/read.php?2021

内容：
=> How to call a php function in a php extension

详细的说明参见：

[php-5.2.17]
    /Zend/zend_execute_API.c +623 & +636     call_user_function_ex
    /ext/standard/basic_functions.c +5174    PHP_FUNCTION(call_user_func_array)                                                                         
    /ext/pcre/pcre.c +833   (in function "preg_do_repl_func")

http://man.chinaunix.net/develop/php/php_manual_zh/html/zend.calling-user-functions.html

http://www.phpfreaks.com/forums/index.php?topic=10272.0

PHP_FUNCTION (caller) 
{
    //call_user_function_ex
    zval *function, *str, *arr;
    zval **params[10];

    MAKE_STD_ZVAL(function);
    ZVAL_STRING(function, "var_dump", 1);  //I wanna call var_dump

    /*  //pass a string as its param
    MAKE_STD_ZVAL(str);
    ZVAL_STRING(str, "Hello, world!", 1);

    params[0] = &str;
    */

    //pass an array as its param
    MAKE_STD_ZVAL(arr);
    array_init(arr);
    add_assoc_string(arr, "name", "felix021", 1); 
    params[0] = &arr;

    zval *ret;
    if (call_user_function_ex(CG(function_table), NULL,
            function, &ret, 2, params, 0, NULL TSRMLS_CC) != FAILURE)
    {
        *return_value = *ret;
        zval_copy_ctor(return_value);
        zval_ptr_dtor(&ret);
        return;
    }
    else { 
        RETURN_FALSE;
    }
}




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