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run code in 300+ PHP versions simultaneously
<?php abstract class First{ const id = __CLASS__; public static function start(){ static::run(new static); } protected static function run(First $instance){ echo __CLASS__, PHP_EOL; $instance->dynamicRun(); } protected function dynamicRun(){ echo self::id, PHP_EOL, get_class($this); } } class Second extends First{ const id = __CLASS__; public static function start(){ parent::run(new static); } } Second::start();
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 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
First First Second
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/UguvA on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in <b>/in/UguvA</b> on line <b>5</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in <b>/in/UguvA</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/UguvA</b> on line <b>2</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_CLASS in <b>/in/UguvA</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/UguvA</b> on line <b>2</b><br />
Process exited with code 255.
preferences:
235.72 ms | 401 KiB | 343 Q