Online PHP editor | output for 4qX7q

@ 2018-09-15T08:21:25Z

<?php

$arr = array (
  0 => 
  array (
    'vehicle' => 'BUS NO.1',
    'trip_name' => 'Trip00011',
    'running_km' => '5000',
  ),
  1 => 
  array (
    'vehicle' => 'BUS NO.2',
    'trip_name' => 'Trip00021',
    'running_km' => '2400',
  ),
  2 => 
  array (
    'vehicle' => 'BUS NO.1',
    'trip_name' => 'Trip00011',
    'running_km' => '0',
  ),
  3 => 
  array (
    'vehicle' => 'BUS NO.2',
    'trip_name' => 'Trip00011',
    'running_km' => '0',
  ),
  4 => 
  array (
    'vehicle' => 'BUS NO.2',
    'trip_name' => 'Trip00021',
    'running_km' => '0',
  ),
);

foreach($arr as $item){
    $key = $item['vehicle'] . $item['trip_name'];
    if(isset($new[$key])){
        if($item['running_km'] > $new[$key]['running_km']) $new[$key] = $item;
    }else{
        $new[$key] = $item;
    }

}
$new = array_values($new);

Var_dump($new);

Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1: array(3) { [0]=> array(3) { ["vehicle"]=> string(8) "BUS NO.1" ["trip_name"]=> string(9) "Trip00011" ["running_km"]=> string(4) "5000" } [1]=> array(3) { ["vehicle"]=> string(8) "BUS NO.2" ["trip_name"]=> string(9) "Trip00021" ["running_km"]=> string(4) "2400" } [2]=> array(3) { ["vehicle"]=> string(8) "BUS NO.2" ["trip_name"]=> string(9) "Trip00011" ["running_km"]=> string(1) "0" } }
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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