3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public const BAR = 42; } $x = new Foo; var_dump( $x::BAR );
Output for 7.1.0, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 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
int(42)
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected 'const' (T_CONST), expecting variable (T_VARIABLE) in /in/4dR1r on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONST, expecting T_VARIABLE in /in/4dR1r on line 5
Process exited with code 255.
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155.35 ms | 401 KiB | 190 Q