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run code in 300+ PHP versions simultaneously
<?php $foo = null; var_dump($foo ?? 'bar', $foo ?: 'bar'); $foo = false; var_dump($foo ?? 'bar', $foo ?: 'bar');
Output for 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(3) "bar" string(3) "bar" bool(false) string(3) "bar"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/RerW0 on line 4
Process exited with code 255.
preferences:
174.6 ms | 402 KiB | 227 Q