3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class string { protected $value; function __construct($value){ $this->value = $value; } function __toString(){ return $value; } } function foo(string $s) { echo $s; } foo(new string("hello world"));
Output for 5.2.0 - 5.5.8
Notice: Undefined variable: value in /in/OkcQi on line 9 Catchable fatal error: Method string::__toString() must return a string value in /in/OkcQi on line 14
Process exited with code 255.
Output for 5.0.4 - 5.1.6
Notice: Undefined variable: value in /in/OkcQi on line 9 Fatal error: Method string::__toString() must return a string value in /in/OkcQi on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: value in /in/OkcQi on line 9 Fatal error: Method string::__toString() must return a string value in /in/OkcQi on line 14
Process exited with code 255.
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/OkcQi on line 4
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/OkcQi on line 4
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/OkcQi on line 4
Process exited with code 255.