3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'a' => 'b', 'c' => 'd', 'h' => 'e', 'i' => 'm' ], [ 'a' => 'b', 'f' => 'g', 'c' => 'f' ], [ 'a' => 'd', 'c' => 'd' ], [ 'i' => 'm' ] ]; for ($i = 1, $count = count($array); $i < $count; ++$i) { $array[$i] = array_diff_assoc( $array[$i], ...array_slice($array, 0, $i, true) ); } var_export($array);
Output for 8.0.1 - 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
array ( 0 => array ( 'a' => 'b', 'c' => 'd', 'h' => 'e', 'i' => 'm', ), 1 => array ( 'f' => 'g', 'c' => 'f', ), 2 => array ( 'a' => 'd', ), 3 => array ( ), )
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:
129.08 ms | 407 KiB | 5 Q