douping3860 2014-05-11 02:39
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已采纳

警告:array_keys()期望参数1为数组,给定为null

Weird parser errors:

Notice: Undefined property: template::$param in 
    C:\xampp\htdocs\app\includes\classes\class.template.php on line 37

Warning: array_keys() expects parameter 1 to be array, null given in 
    C:\xampp\htdocs\app\includes\classes\class.template.php on line 37

Notice: Undefined property: template::$param in 
    C:\xampp\htdocs\app\includes\classes\class.template.php on line 37

Warning: array_values() expects parameter 1 to be array, null given in 
    C:\xampp\htdocs\app\includes\classes\class.template.php on line 37

Code:

public function newParam($trans, $value) {
    $this->param['{' . $trans . '}'] = $value;
}

public function getParam($content) {
    $content = str_replace(
        array_keys($this->param), 
        array_values($this->param), 
        $content
    );

    return $content;
}

Please note that this isn't any existing parser.

  • 写回答

2条回答 默认 最新

  • douhang8991 2014-05-11 02:49
    关注

    Init your "param":

    function __construct() {
      $this->param = array();
    }
    

    You may also see the PHP Doc

    Creating/modifying with square bracket syntax
    
    An existing array can be modified by explicitly setting values in it.
    
    This is done by assigning values to the array, specifying the key in brackets. The key can also be omitted, resulting in an empty pair of brackets ([]).
    
    $arr[key] = value;
    $arr[] = value;
    // key may be an integer or string
    // value may be any value of any type
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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