3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { public function __construct() { echo 'Hello '; } } trait SayWorld { public function __construct() { parent::__construct(); echo 'World!'; } } class MyHelloWorld extends Base { use SayWorld; } $o = new MyHelloWorld();
Output for 5.5.21 - 5.5.38, 5.6.5 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
Hello World!
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.20, 5.6.0 - 5.6.4
Fatal error: MyHelloWorld has colliding constructor definitions coming from traits in /in/c8TZL on line 18
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/c8TZL on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/c8TZL on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/c8TZL on line 4
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/c8TZL on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/c8TZL on line 4
Process exited with code 255.
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