3v4l.org

run code in 500+ PHP versions simultaneously

@ 2020-12-02T06:46:04Z

<?php

$arr1 = array(
        0 => ['product_type'=>'manufacturer','id'=>1], 
        1 => ['product_type'=>'manufacturer','id'=>2], 
        2 => ['product_type'=>'seller'], 
        3 => ['product_type'=>'seller'],
        4 => ['product_type'=>'seller'],
        5 => ['product_type'=>'seller'],
        6 => ['product_type'=>'seller'],
        7 => ['product_type'=>'manufacturer','id'=>3], 
    ) ;
    
    
function rearrange(&$arr, $n) 
{ 
     for ($i = 0; $i < $n; $i++) 
     {  
        $j = $i+1;
        if($arr[$i]['product_type'] =='manufacturer'){
            if($j%4!= 0){
                //echo $i;
                $temp = $arr[$i];
                $arr[$i] = $arr[$i + 1]; 
                $arr[$i + 1] = $temp;
            } else {
                if ($i==0 || $i==1 || $i==2) {
                  $temp = $arr[$i];
                  $arr[$i] = $arr[$i + 1]; 
                  $arr[$i + 1] = $temp;
                } else {
                  $temp = $arr[$i];
                  $arr[$i] = $temp;
                }
                
            }
        } else {
          $temp = $arr[$i];
          $arr[$i] = $temp;
        }
     } 
  
   
    return $arr;
} 
$keys    = array_keys ($arr1);
$n = count ($keys);
$arr = rearrange($arr1, $n); 
print_r($arr);

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8: Array ( [0] => Array ( [product_type] => manufacturer [id] => 2 ) [1] => Array ( [product_type] => seller ) [2] => Array ( [product_type] => seller ) [3] => Array ( [product_type] => manufacturer [id] => 1 ) [4] => Array ( [product_type] => seller ) [5] => Array ( [product_type] => seller ) [6] => Array ( [product_type] => seller ) [7] => Array ( [product_type] => manufacturer [id] => 3 ) )

preferences:dark modelive previewkey bindings

94.76 ms | 1544 KiB | 4 Q