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run code in 300+ PHP versions simultaneously
<?php $a1 = array('a1','a2','a3','a4'); $result=implode("<br/>\n",$a1)."<br/>"; echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
a1<br/> a2<br/> a3<br/> a4<br/>

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