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<?php function f() { $a = intval(1); $b = intval(2); $c = ($a & $b); var_dump($a); var_dump($b); var_dump($c); return array(($a & $b), $c, ($a & b) === $a, $c === $a); } var_dump(f()); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(1) int(2) int(0) Fatal error: Uncaught Error: Undefined constant "b" in /in/l6SMI:10 Stack trace: #0 /in/l6SMI(13): f() #1 {main} thrown in /in/l6SMI on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(1) int(2) int(0) Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/l6SMI on line 10 Warning: A non-numeric value encountered in /in/l6SMI on line 10 array(4) { [0]=> int(0) [1]=> int(0) [2]=> bool(false) [3]=> bool(false) }
Output for 7.1.0 - 7.1.33
int(1) int(2) int(0) Notice: Use of undefined constant b - assumed 'b' in /in/l6SMI on line 10 Warning: A non-numeric value encountered in /in/l6SMI on line 10 array(4) { [0]=> int(0) [1]=> int(0) [2]=> bool(false) [3]=> bool(false) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
int(1) int(2) int(0) Notice: Use of undefined constant b - assumed 'b' in /in/l6SMI on line 10 array(4) { [0]=> int(0) [1]=> int(0) [2]=> bool(false) [3]=> bool(false) }

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