douxu0550 2015-11-19 06:31
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将列添加到PHP 2D阵列

I have a 2D array as illustrated below:

|1|2|3|
|4|5|6|

I'm trying to prepend a column to it as illustrated below:

|X|1|2|3|
|X|4|5|6|

Using array_unshift will cause the elements to become shuffled and I need them to be retained. I also tried array_merge as well as "adding" the new column with the existing array.

I'm wondering what's the best way to accomplish this?

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  • doufei4923 2015-11-27 01:57
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    Posting it from comments. Try this one. LINK

        $arr = array(
            array(1,2,3),
            array(4,5,6)
        );
    
        foreach($arr as $k => $v){
            array_unshift($arr[$k],"X");
        }
        print_r($arr);
    
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