Question

我想将数组的特定元素放在foreach循环的最后一个循环中。

我确实尝试了以下代码，但我希望有一种更有效的方式来操纵数组。

$sbk = ['LT','MT','KT','GT'];
$sbl = ['LT','MT','GT'];
$numItems = count($sbk);
$i = 0;
foreach($sbk as $rm){
   if(in_array($rm, $sbl)){
       echo $rm."\n";
   }
   if(!in_array($rm, $sbl)){
       $extra = $rm;
   }
   if( ++$i === $numItems) {
       echo $extra."\n";
   }
}

这是我的预期输出：

LT
MT
GT
KT

我希望解决方案处于if else条件下。

foreach($sbk as $rm):
   if(in_array($rm, $sbl)){
      //print LT MT GT
   } else {
     //make this the end of the foreach loop. 
     //since the item is not in the in_array, it should be here at the last loop.
   }
endforeach;

Answer 1

<?php


$sbk = ['LT','MT','KT','GT'];
$sbl = ['LT','MT','GT'];

//Get the differece of sbk and sbl array. you will get the output KT in array.
$result=array_diff($sbk,$sbl);

//Merge the array result and sbl
$final_array = array_merge($sbl,$result);


//fatch the array value
foreach($final_array as $final_arrays){
    echo $final_arrays .'<br/>';
}


?>

Answer 2

您可以使用：

$new_array = array_unique(array_merge($sbk,$sbl));

将特定项目放在php foreach的最后一个循环中

2 个答案: