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<?php $artigos = [ "Art. 1 lala 23", "Art. 2 lala 23", "Art. 3 lala 23", "Art. 4345 lala 23", ]; $artigos_len = count($artigos) -1; for ($i=0; $i <= $artigos_len; $i++) { preg_match("/Art\. (\d+)/i",$artigos[$i],$match); echo "<ul class='artigo {$match[1]}'></ul>\n\r"; }
Output for git.master, git.master_jit, rfc.property-hooks
<ul class='artigo 1'></ul> <ul class='artigo 2'></ul> <ul class='artigo 3'></ul> <ul class='artigo 4345'></ul>

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