3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_option($val) { return false; } $locale = get_option( 'language_code' ) ?? 'en_gb'; echo $locale;
Output for 7.0.0 - 7.0.33, 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 - 8.3.6
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '?' in /in/Sh5Yr on line 7
Process exited with code 255.
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250.48 ms | 402 KiB | 330 Q