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<?php $line = 'You know this brother .'; $input = 'Know brother'; $output = ''; foreach (explode(' ', $line) as $word) { if (preg_match("~$word~i", $input)) { $output .= " <b>$word</b>"; } else { $output .= " $word"; } } var_dump(trim($output));
Output for git.master, git.master_jit, rfc.property-hooks
string(44) "You <b>know</b> this <b>brother</b> <b>.</b>"

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