3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = $_SERVER['naoexiste'] <=> "default"; echo $var;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key "naoexiste" in /in/CfXLv on line 2 -1
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: naoexiste in /in/CfXLv on line 2 -1
Output for 7.3.32 - 7.3.33
-1
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected '>' in /in/CfXLv on line 2
Process exited with code 255.

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