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<?php $post = []; //without casting $post['a'] = '1'; $a = $post['a'] ?? 0; var_dump($a); $post['a'] = '1'; $a = $post['a'] ?? false; var_dump($a); //with casting $post['a'] = '1'; $a = (int)$post['a'] ?? 0; var_dump($a); $post['a'] = '1'; $a = (bool)$post['a'] ?? false; var_dump($a);
Output for rfc.property-hooks, git.master, git.master_jit
string(1) "1" string(1) "1" int(1) bool(true)

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