Online PHP editor | output for JV40E

@ 2017-08-22T16:19:16Z

<?php
$ar1 = array('key1' => '1 value', 'key 2' => 'value 2', 'key 4' => '3');
$ar2 = array('key1' => '1 value', 'key 3' => 'value 2', 'key 4' => '4');
foreach($ar1 as $key => $value) {
    if(empty($ar2[$key])) {
        $missing_keys[] = $key; 
    } elseif ($ar2[$key] != $value) {
        $non_matching_values[$key] = $value . '|<-deviation->|' . $ar2[$key];
    }
    unset($ar2[$key]);
}
foreach($ar2 as $key => $value) {
    $missing_keys[] = $key;
}
print_r($missing_keys);
print_r($non_matching_values);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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, 8.5.0 - 8.5.1: Array ( [0] => key 2 [1] => key 3 ) Array ( [key 4] => 3|<-deviation->|4 )
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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