3v4l.org

run code in 300+ PHP versions simultaneously
<?php class dupa { public $a = 'j'; public function __construct($param) { $this->a = $param; echo '+_construct'.$this->a.'<br />'.self::NICE; } public static $NICE; }; $a = new dupa('blabla'); echo $a->a; $b = new dupa(''); echo $b->a;?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant dupa::NICE in /in/sY9LD:7 Stack trace: #0 /in/sY9LD(13): dupa->__construct('blabla') #1 {main} thrown in /in/sY9LD on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Undefined class constant 'NICE' in /in/sY9LD:7 Stack trace: #0 /in/sY9LD(13): dupa->__construct('blabla') #1 {main} thrown in /in/sY9LD on line 7
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Fatal error: Undefined class constant 'NICE' in /in/sY9LD on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Undefined class constant 'NICE' in <b>/in/sY9LD</b> on line <b>7</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/sY9LD</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/sY9LD</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/sY9LD</b> on line <b>4</b><br />
Process exited with code 255.

preferences:
184.02 ms | 401 KiB | 346 Q