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<?php $expr1 = null; $expr2 = 'expr2'; $expr3 = 'expr3'; $result = ($expr1) ? ($expr2) : ($expr3); var_dump($result); if (true === $expr1) { $result = $expr2; } else { $result = $expr3; } var_dump($result); $result = ($expr1) ?: ($expr3); var_dump($result); if (true === $expr1) { $result = $expr1; } else { $result = $expr3; } var_dump($result); $result = ($expr1) ?? ($expr3); var_dump($result); if (null !== $expr1) { $result = $expr1; } else { $result = $expr3; } var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
string(5) "expr3" string(5) "expr3" string(5) "expr3" string(5) "expr3" string(5) "expr3" string(5) "expr3"

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