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<?php $tags = "test bla thingy uh wadsa"; $tags = preg_replace('/[\ ]*/', ',', $tags); echo $tags;
Output for git.master, git.master_jit, rfc.property-hooks
,t,e,s,t,,b,l,a,,t,h,i,n,g,y,,u,h,,w,a,d,s,a,

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