3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { static $a=9; function __get($var) { return self::$var; } function __isset($var) { return true; } } $P=new P; var_dump(isset($P->$az));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $az in /in/uSoH5 on line 24 bool(true)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: az in /in/uSoH5 on line 24 bool(true)
Output for 7.3.32 - 7.3.33, 7.4.26
bool(true)
Output for 5.0.5
Notice: Undefined variable: az in /in/uSoH5 on line 24 Fatal error: Cannot access empty property in /in/uSoH5 on line 24
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: az in /in/uSoH5 on line 24 bool(false)
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: az in /in/uSoH5 on line 24 bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/uSoH5 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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/uSoH5 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/uSoH5 on line 5
Process exited with code 255.

preferences:
223.86 ms | 401 KiB | 309 Q