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<?php function foo($a) { $page1 = isset($a['page']) ? $a['page'] : 1; echo 'P: ', $page1, "\n"; $page2 = $a['page'] ?? 1; echo 'P: ', $page2, "\n"; echo $page1 == $page2 ? 't' : 'n'; } $a = array('page' => 3); foo($a); $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($a); ?>
Output for git.master, git.master_jit, rfc.property-hooks
P: 3 P: 3 tP: 1 P: 1 tP: 1 P: 1 tP: 0 P: 0 t

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