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<?php function foo($a) { $page = isset($a['page']) ? a['page'] : 1; echo $page, "\n"; echo $a['page'] ?? 1; } $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($a); ?>
Output for git.master, git.master_jit, rfc.property-hooks
1 11 1 Fatal error: Uncaught Error: Undefined constant "a" in /in/0jhLN:4 Stack trace: #0 /in/0jhLN(18): foo(Array) #1 {main} thrown in /in/0jhLN on line 4
Process exited with code 255.

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