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<?php $t = array( 0, '0', '', null, false, array(), ); foreach ($t as $i => $v) { if ($v == NULL) { echo "$i : $v IS NULL"; } else { echo "$i : $v is not NULL"; } }
Output for git.master, git.master_jit, rfc.property-hooks
0 : 0 IS NULL1 : 0 is not NULL2 : IS NULL3 : IS NULL4 : IS NULL Warning: Array to string conversion in /in/A1ldD on line 15 5 : Array IS NULL

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