3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr =[['c' => 3], ['a' => 1, 'b' => 2, 'c' => 3], ['c' => 3]]; $new = $arr[0]; foreach($arr as $sub){ $new = array_intersect_key($new, $sub); } foreach($arr as &$sub){ $sub =array_intersect_key($sub, $new); } Var_dump($arr);
Output for 7.1.0 - 7.1.33, 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, 8.5.0 - 8.5.1
array(3) { [0]=> array(1) { ["c"]=> int(3) } [1]=> array(1) { ["c"]=> int(3) } [2]=> &array(1) { ["c"]=> int(3) } }
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.
preferences:
198.44 ms | 407 KiB | 5 Q