3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class zyf{ public $a=4; public $b=5; function zyf() { $this->$a; $this->$b; } function add($a,$b) { $c=$a+$b; echo $c; } } $xin = new zyf(); $xin->add($a,$b); ?>
Output for 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; zyf has a deprecated constructor in /in/gDneY on line 2 Notice: Undefined variable: a in /in/gDneY on line 6 Notice: Undefined property: zyf::$ in /in/gDneY on line 6 Notice: Undefined variable: b in /in/gDneY on line 7 Notice: Undefined property: zyf::$ in /in/gDneY on line 7 Notice: Undefined variable: a in /in/gDneY on line 17 Notice: Undefined variable: b in /in/gDneY on line 17 0
Output for 7.0.0 - 7.0.14
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; zyf has a deprecated constructor in /in/gDneY on line 2 Notice: Undefined variable: a in /in/gDneY on line 6 Fatal error: Uncaught Error: Cannot access empty property in /in/gDneY:6 Stack trace: #0 /in/gDneY(16): zyf->zyf() #1 {main} thrown in /in/gDneY on line 6
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: Cannot access empty property in /in/gDneY:6 Stack trace: #0 /in/gDneY(16): zyf->zyf() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Cannot access empty property in /in/gDneY on line 6
Process exited with code 255.
Output for 5.0.5 - 5.6.28
Notice: Undefined variable: a in /in/gDneY on line 6 Fatal error: Cannot access empty property in /in/gDneY on line 6
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: a in /in/gDneY on line 6 Notice: Undefined property: zyf::$ in /in/gDneY on line 6 Notice: Undefined variable: b in /in/gDneY on line 7 Notice: Undefined property: zyf::$ in /in/gDneY on line 7 Notice: Undefined variable: a in /in/gDneY on line 17 Notice: Undefined variable: b in /in/gDneY on line 17 0
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/gDneY on line 6 Notice: Undefined property: zyf::$ in /in/gDneY on line 6 Notice: Undefined variable: b in /in/gDneY on line 7 Notice: Undefined property: zyf::$ in /in/gDneY on line 7 Notice: Undefined variable: a in /in/gDneY on line 17 Notice: Undefined variable: b in /in/gDneY on line 17 0
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/gDneY on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/gDneY on line 3
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/gDneY on line 3
Process exited with code 255.