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<?php function removeThirdLetter($sentence) { $output = ""; for ( $i = 0; $i < strlen($sentence); $i++ ) { if ( $i % 3 == 0 || $i % 3 != 0 ) { $output .= $sentence[$i]; } } return $output; } $str = "Frank Sinatra"; echo removeThirdLetter($str); // should return "FrnkSiata" ?>
Output for git.master, git.master_jit, rfc.property-hooks
Frank Sinatra

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