3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php const A = [1, 2, 3]; class B { const A = A; } $r = new ReflectionClass('B'); $A = $r->getConstant('A'); var_dump($A); $A[3] = 4; var_dump(A, $A);
based on UFgfm
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.1.0
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) }
Output for hhvm-3.10.0 - 3.13.2
Warning: Constants may only evaluate to scalar values in /in/F0hH2 on line 3 Notice: Use of undefined constant A - assumed 'A' in /in/F0hH2 on line 6 string(1) "A" Notice: Use of undefined constant A - assumed 'A' in /in/F0hH2 on line 15 string(1) "A" string(4) "A 4"
Output for 5.4.0 - 5.5.38
Fatal error: Arrays are not allowed as constants in /in/F0hH2 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/F0hH2 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/F0hH2 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/F0hH2 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/F0hH2 on line 3
Process exited with code 255.