在wp中循环Add_action时需要帮助

时间：2012-09-01 作者：motekpc

我想知道正确的方法

$dynValue=5;//loop this many times
//start of my loop
for ($num=1; $num <= $dynValue; $num++){

//note the incremented number ($num) in the call back
add_action(\'add_meta_boxes\', \'mpc_meta_box_\'.$num.\');

//below is where im having the problem
// i am trying to increment this function name so i will not get the error that "function name has already been declared". i cannot add \'.$num.\' in the func name below cause its not valid php.
function mpc_meta_box_\'.$num.\'(){
//some content
}

}//end of my loop

我可以用eval（）来实现这一点，但我知道不建议这样做

2 个回复

SO网友:Mathias

您可以尝试以下操作：

$dynValue=5;//loop this many times
//start of my loop
for ($num=1; $num <= $dynValue; $num++){
    add_action(\'add_meta_boxes\', create_function(\'\', \'//some content\'));
    // Write the php code as if it was to put it in an echo/print instruction.
    // More details: http://php.net/manual/en/function.create-function.php
}//end of my loop

SO网友:fuxia

始终使用与回调相同的函数。您可以在函数内部使用静态变量来跟踪调用它的频率：

for ($num=1; $num <= $dynValue; $num++) 
{
    add_action( \'add_meta_boxes\', \'mpc_meta_box\' );
}

function mpc_meta_box()
{
    static $counter = 1;
    echo $counter;
    counter++;
}

但我认为你需要找到一个更好的架构。

结束

标签： loop actions 小码农

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在wp中循环Add_action时需要帮助

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