3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 0 => 'Apple', 2 => 'Orange', 5 => 'Pear', 8 => 'Pear' ]; $result = []; for ( $i = 0, $last = array_key_last($array); $i <= $last; ++$i ) { $result[$i] = $array[$i] ?? null; } var_export($result); echo "\n---\n"; var_export( array_replace( array_fill(0, array_key_last($array), null), $array ) );
Output for 7.4.0 - 7.4.33, 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 => 'Apple', 1 => NULL, 2 => 'Orange', 3 => NULL, 4 => NULL, 5 => 'Pear', 6 => NULL, 7 => NULL, 8 => 'Pear', ) --- array ( 0 => 'Apple', 1 => NULL, 2 => 'Orange', 3 => NULL, 4 => NULL, 5 => 'Pear', 6 => NULL, 7 => NULL, 8 => 'Pear', )
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:
136.83 ms | 407 KiB | 5 Q