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<?php // Positive numbers: $a=substr("tag1,tag10,tag11,tag13,tag15,tag17,tag19,tag20,tag4,tag9,tag8,tag7,tag6,tag5,tag3,tag2,tag18,tag16,tag14,tag12",0,4); echo $a; echo preg_replace("/tag/","",substr("tag1,tag10,tag11,tag13,tag15,tag17,tag19,tag20,tag4,tag9,tag8,tag7,tag6,tag5,tag3,tag2,tag18",5)); ?>
Output for git.master, git.master_jit, rfc.property-hooks
tag110,11,13,15,17,19,20,4,9,8,7,6,5,3,2,18

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