3v4l.org

run code in 500+ PHP versions simultaneously
<?php $hash = null; var_dump($hash ?? 'test'); // output 'test' var_dump($hash ?: 'test'); // output 'test' $hash = ''; var_dump($hash ?? 'test'); // output '' var_dump($hash ?: 'test'); // output 'test'
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Ivv6k on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '?' in /in/Ivv6k on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '?' in /in/Ivv6k on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
string(4) "test" string(4) "test" string(0) "" string(4) "test"
preferences:
37.69 ms | 1158 KiB | 19 Q