3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_filter_(array $data, callable $callback) { $filtered = []; foreach ($data as $key => $value) { if ($callback($value)) { $filtered[$key] = $value; } } return $filtered; } $data = ['foo', 'bar']; var_dump($data); $filtered = array_filter_($data, function (&$value) { $value = (bool) $value; return true; }); var_dump($filtered);
Output for 5.6.38, 7.0.0 - 7.0.32, 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(2) { [0]=> string(3) "foo" [1]=> string(3) "bar" } array(2) { [0]=> bool(true) [1]=> bool(true) }
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:
196 ms | 407 KiB | 5 Q