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<!DOCTYPE html> <html> <body> <?php $arr = array('Hello','World!','Beautiful','Day!'); echo join(" ",$arr)."<br>"; echo join("+",$arr)."<br>"; echo join("-",$arr)."<br>"; echo join("X",$arr); ?> </body> </html>
Hello World! Beautiful Day!
Hello+World!+Beautiful+Day!
Hello-World!-Beautiful-Day!
HelloXWorld!XBeautifulXDay!
