dongxiaoyan4388 2016-09-14 16:32
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PHP for foreach

I want to check for month in one year found in $month variable, if data found show the month (in number), if not found show '0'

<?php
$month = array(
    '2',
    '3',
    '4',
    '7',
    '12'
);

for ($i = 1; $i <= 12; $i++) {
    foreach($month as $key => $value) {
        if ($value == $i) {
            echo "$i" . "
";
        }
        else {
            echo "0" . "
";
        }
    }
}

from code above I get

0
0
0
0
0
2
0
0
0
0
0
3
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12

if I add break 1 after else

for ($i = 1; $i <= 12; $i++) {
    foreach($month as $key => $value) {
        if ($value == $i) {
            echo "$i" . "
";
        }
        else {
            echo "0" . "
";
        }
        break 1;
    }
}

I got 12 result but not what I expected.

0
2
0
0
0
0
0
0
0
0
0
0

what I want is

0
2
3
4
0
0
7
0
0
0
0
12

If I able to get that result I want to put that these result in graph using chartjs, I know how to do that. I only want to know how to get these result, any help appriciate

  • 写回答

2条回答 默认 最新

  • dti70601 2016-09-14 16:37
    关注
    for ($i = 1; $i <= 12; $i++) {
        if(in_array($i, $month)){
          echo "$i" . "
    ";
        }else {
          echo "0" . "
    ";
        }
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
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