3v4l.org

run code in 300+ PHP versions simultaneously
<?phpconst C1 = 1[0];const C2 = __FILE__[0];const C3 = <<<'A'BA[0];var_dump(C1, C2, C3);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?phpconst C1 = 1[0];const C2 = __FILE__[0];const C3 = <<<'A'BA[0];var_dump(C1, C2, C3);
Output for 8.0.13
Parse error: syntax error, unexpected identifier "C1" in /in/0eGWd on line 1
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected 'C1' (T_STRING) in /in/0eGWd on line 1
Process exited with code 255.
preferences:
184.75 ms | 401 KiB | 202 Q