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run code in 150+ php & hhvm versions
Bugs & Features
<?php class PHPApprentice { private static $velocity = ''; private static $initialized = false; public static function initialize () { if ( self::initialized ) return; self::$initialized = true; self::$velocity = 'fast!'; } public static function getVelocity () { self::initialize(); return self::$velocity; } public static function setVelocity ( $value ) { self::$velocity = $value; self::$initialized = true; } } PHPApprentice::setVelocity ( 'Ludicrous Speed!!' ); echo PHPApprentice::getVelocity();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Undefined class constant 'initialized' in /in/3h4kc:9 Stack trace: #0 /in/3h4kc(18): PHPApprentice::initialize() #1 /in/3h4kc(29): PHPApprentice::getVelocity() #2 {main} thrown in /in/3h4kc on line 9
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Couldn't find constant PHPApprentice::initialized in /in/3h4kc on line 9
Process exited with code 255.
Output for 5.2.3 - 5.6.28
Fatal error: Undefined class constant 'initialized' in /in/3h4kc on line 9
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Undefined class constant 'initialized' in <b>/in/3h4kc</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/3h4kc</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/3h4kc</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/3h4kc</b> on line <b>4</b><br />
Process exited with code 255.