3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ["!qwerty","sapien", "!Bart", "!qwerty", "aa!bb"]; $filtered = preg_grep("/^\!.*$/", $arr); Var_dump($filtered); var_dump(array_diff($arr, $filtered));
Output for 5.6.38, 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]=> string(7) "!qwerty" [2]=> string(5) "!Bart" [3]=> string(7) "!qwerty" } array(2) { [1]=> string(6) "sapien" [4]=> string(5) "aa!bb" }
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:
100.03 ms | 407 KiB | 5 Q