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run code in 150+ php & hhvm versions
Bugs & Features
<?php class User { protected $exp=0; public function __construct($e=0) { $this->exp=(int)$e; } public function setExp($e) { $this->exp=(int)$e; } public function __toInt() { return $this->exp; } } $one = new User(); $two = new User(); $one->setExp(100); $two->setExp(200); print $one + $two;
Output for 5.1.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Object of class User could not be converted to int in /in/snkSm on line 28 Notice: Object of class User could not be converted to int in /in/snkSm on line 28 2
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Fatal error: Unsupported operand types in /in/snkSm on line 28
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/snkSm 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/snkSm 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/snkSm on line 4
Process exited with code 255.