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run code in 200+ php & hhvm versions
Bugs & Features
<?php function &get_instance_ref() { static $obj; echo 'Static object: '; var_dump($obj); if (!isset($obj)) { // Assign a reference to the static variable $obj = &new stdclass; } $obj->property++; return $obj; } function &get_instance_noref() { static $obj; echo 'Static object: '; var_dump($obj); if (!isset($obj)) { // Assign the object to the static variable $obj = new stdclass; } $obj->property++; return $obj; } $obj1 = get_instance_ref(); $still_obj1 = get_instance_ref(); echo "\n"; $obj2 = get_instance_noref(); $still_obj2 = get_instance_noref();
Output for 7.0.0 - 7.0.13
Parse error: syntax error, unexpected 'new' (T_NEW) in /in/jFCdv on line 10
Process exited with code 255.
Output for 5.5.0 - 5.6.28
Deprecated: Assigning the return value of new by reference is deprecated in /in/jFCdv on line 10 Static object: NULL Notice: Undefined property: stdClass::$property in /in/jFCdv on line 12 Static object: NULL Notice: Undefined property: stdClass::$property in /in/jFCdv on line 12 Static object: NULL Notice: Undefined property: stdClass::$property in /in/jFCdv on line 25 Static object: object(stdClass)#3 (1) { ["property"]=> int(1) }