3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Hello { public function __toString() { return null; } } $h = new Hello(); echo " First " . $h->__toString() . "\n"; echo " Second " . $h . "\n";
based on dd7hD
Output for 7.1.0
First Recoverable fatal error: Method Hello::__toString() must return a string value in /in/m6LMI on line 12
Process exited with code 255.
Output for 5.2.0 - 7.0.14
First Catchable fatal error: Method Hello::__toString() must return a string value in /in/m6LMI on line 12
Process exited with code 255.
Output for 5.0.0 - 5.1.6
First Second Object id #1
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/m6LMI 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/m6LMI 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/m6LMI on line 4
Process exited with code 255.