3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $count = 4; public function getNext() { if (!$this->count) { return null; } --$this->count; return 'next'; } } $a = new Test(); for ($i = 0; $i < 10; $i++) { var_dump($a->count); var_dump($this->getNext() ?: 'none'); }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(4) Fatal error: Uncaught Error: Using $this when not in object context in /in/veoRd:22 Stack trace: #0 {main} thrown in /in/veoRd on line 22
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
int(4) Fatal error: Using $this when not in object context in /in/veoRd on line 22
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/veoRd on line 22
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 ':' in <b>/in/veoRd</b> on line <b>22</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected ':' in <b>/in/veoRd</b> on line <b>22</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/veoRd</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/veoRd</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/veoRd</b> on line <b>4</b><br />
Process exited with code 255.
preferences:
284.59 ms | 401 KiB | 460 Q