3v4l.org

run code in 300+ PHP versions simultaneously
<?php require "vendor/wikimedia/testing-access-wrapper/src/TestingAccessWrapper.php"; class A { private static function func( &$ref ) { $ref = 42; } } $a = Wikimedia\TestingAccessWrapper::newFromClass( A::class ); $b = 0; $a->func( $b ); $a->func( &$b ); echo $b;
Output for 8.0.0 - 8.0.8
Parse error: syntax error, unexpected token "&" in /in/EDbUT on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.29, 7.4.0 - 7.4.21
Parse error: syntax error, unexpected '&' in /in/EDbUT on line 15
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Call-time pass-by-reference has been removed in /in/EDbUT on line 15
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/EDbUT on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/EDbUT on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/EDbUT on line 11 Parse error: syntax error, unexpected T_STRING in /in/EDbUT on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/EDbUT on line 11 Parse error: parse error, unexpected T_STRING in /in/EDbUT on line 11
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/EDbUT 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/EDbUT on line 6
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/EDbUT on line 6
Process exited with code 255.

preferences:
369.79 ms | 1399 KiB | 378 Q