3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $i = 0; public $flag; public function __construct() { $this->foo = ++$this->i; return false; } public function setFlag() { $this->flag = 1; } } $one = new A(); $one->setFlag(); var_dump($one); $two = new A(); var_dump($two); $thr = $one->__construct(); var_dump($thr); $fou = $two->__construct(); var_dump($fou);
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Deprecated: Creation of dynamic property A::$i is deprecated in /in/tMAfO on line 12 Warning: Undefined property: A::$i in /in/tMAfO on line 12 Deprecated: Creation of dynamic property A::$foo is deprecated in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Deprecated: Creation of dynamic property A::$i is deprecated in /in/tMAfO on line 12 Warning: Undefined property: A::$i in /in/tMAfO on line 12 Deprecated: Creation of dynamic property A::$foo is deprecated in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false) Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Warning: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Warning: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false) Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Notice: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 Notice: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i"]=> int(1) ["foo"]=> int(1) } Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false) Notice: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false)
Output for 7.3.32 - 7.3.33
object(A)#1 (3) { ["flag"]=> int(1) ["i"]=> int(1) ["foo"]=> int(1) } object(A)#2 (3) { ["flag"]=> NULL ["i"]=> int(1) ["foo"]=> int(1) } bool(false) bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 Notice: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i":"A":private]=> int(1) ["foo"]=> int(1) } Notice: Undefined property: A::$i in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i":"A":private]=> int(1) ["foo"]=> int(1) } bool(false) bool(false)
Output for 5.4.0 - 5.4.45
Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i":"A":private]=> int(1) ["foo"]=> int(1) } object(A)#2 (3) { ["flag"]=> NULL ["i":"A":private]=> int(1) ["foo"]=> int(1) } bool(false) bool(false)
Output for 5.3.0 - 5.3.29
Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i":"A":private]=> int(1) ["foo"]=> int(1) } Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i":"A":private]=> int(1) ["foo"]=> int(1) } Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false) Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false)
Output for 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 object(A)#1 (3) { ["flag"]=> int(1) ["i:private"]=> int(1) ["foo"]=> int(1) } Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 object(A)#2 (3) { ["flag"]=> NULL ["i:private"]=> int(1) ["foo"]=> int(1) } Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false) Strict Standards: Accessing static property A::$i as non static in /in/tMAfO on line 12 bool(false)
Output for 5.0.0 - 5.0.4
object(A)#1 (3) { ["flag"]=> int(1) ["i:private"]=> int(1) ["foo"]=> int(1) } object(A)#2 (3) { ["flag"]=> NULL ["i:private"]=> int(1) ["foo"]=> int(1) } bool(false) bool(false)
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/tMAfO on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/tMAfO on line 6
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/tMAfO on line 6
Process exited with code 255.

preferences:
276.62 ms | 401 KiB | 350 Q