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<?php $a = ''; $b = NULL; $c = ' '; echo isset($a); echo "\r\n"; echo isset($b); echo "\r\n"; echo isset($c); echo "\r\n"; echo isset($d); echo "\r\n"; echo '--------------------------------------'; echo "\r\n"; echo empty($a); echo "\r\n"; echo empty($b); echo "\r\n"; echo empty($c); echo "\r\n"; echo empty($d); echo "\r\n";
Output for git.master, git.master_jit, rfc.property-hooks
1 1 -------------------------------------- 1 1 1

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