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run code in 300+ PHP versions simultaneously
<?php $test = ['some' => null]; $test['some'] ??= 'default value'; echo $test['some'];
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
default value
Output for 4.3.9
Parse error: parse error, unexpected '[' in /in/Zl8YB on line 3
Process exited with code 255.
preferences:
130.23 ms | 401 KiB | 90 Q