3v4l.org

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<?php define("BAR",5); define("BAZ",BAR+10); echo "BAZ: ",BAZ; const BAR = 1; const BAZ = BAR + 1; echo "\nBAZ: ",BAZ;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
BAZ: 15 Warning: Constant BAR already defined in /in/4EoQQ on line 6 Warning: Constant BAZ already defined in /in/4EoQQ on line 7 BAZ: 15
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
BAZ: 15 Notice: Constant BAR already defined in /in/4EoQQ on line 6 Notice: Constant BAZ already defined in /in/4EoQQ on line 7 BAZ: 15
Output for 7.3.32 - 7.3.33
BAZ: 15 BAZ: 15
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '+', expecting ',' or ';' in /in/4EoQQ on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/4EoQQ on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/4EoQQ on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4EoQQ on line 6
Process exited with code 255.

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