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run code in 300+ PHP versions simultaneously
<?php class Oddity{ const A_VAR = 'a' . 'b'; }
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting ',' or ';' in /in/XJhKt on line 3
Process exited with code 255.
Output for 5.3.25 - 5.3.27, 5.4.16 - 5.4.17
Parse error: syntax error, unexpected '.', expecting ',' or ';' in /in/E5JlC on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.24, 5.4.0 - 5.4.15
Parse error: syntax error, unexpected '.', expecting ',' or ';' in XJhKt on line 3
Process exited with code 255.

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182.95 ms | 402 KiB | 255 Q