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<?php class myClass { private $a; public function __construct() { $this->a = 10; } public function printValue() { print "The Value is: {$this->a}\n"; } public function changeValue($val, $obj = null) { if(is_null($obj)) { $this->a = $val; } else { $obj->a = $val; } } public function getValue() { return $this->a; } } $obj_one = new myClass(); $obj_two = new myClass(); $obj_one->changeValue(20, $obj_two); $obj_two->changeValue($obj_two->getValue(), $obj_one); $obj_two->printValue(); $obj_one->printValue(); var_dump($obj_two);
Output for 5.3.0 - 7.1.0
The Value is: 20 The Value is: 20 object(myClass)#2 (1) { ["a":"myClass":private]=> int(20) }
Output for 5.0.0 - 5.2.17
The Value is: 20 The Value is: 20 object(myClass)#2 (1) { ["a:private"]=> int(20) }
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/RPgr4 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/RPgr4 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/RPgr4 on line 4
Process exited with code 255.