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<?php echo "a | b\n"; for($i = 0; $i < 4; $i++){ list($a, $b) = str_split(str_pad(decbin($i), 2, 0, STR_PAD_LEFT)); echo "$a | $b | " . $a|$b; echo "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
a | b 0 | 0 | 0 1 | 1 | 0 1 | 0 | 1 1 | 1 | 1

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