3v4l.org

run code in 300+ PHP versions simultaneously
<?php class toStr { private $str; public function __construct( $str ) { $this->str = $str; } public function __toString() { return $this->str; } } $a = array(); $a[ new toStr('hi') ] = 'there';
Output for 8.0.0 - 8.0.19, 8.1.0 - 8.1.6
Fatal error: Uncaught TypeError: Illegal offset type in /in/MRCuk:16 Stack trace: #0 {main} thrown in /in/MRCuk on line 16
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.27, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.29
Warning: Illegal offset type in /in/MRCuk on line 16
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/MRCuk on line 5
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/MRCuk on line 5
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/MRCuk on line 5
Process exited with code 255.

preferences:
38.17 ms | 414 KiB | 5 Q