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<?php $string = "The house is very big."; function highlight($string, $keywords) { $keywords = is_array($keywords) ? implode('|', array_map('preg_quote', $keywords)) : preg_quote($keywords); return preg_replace("/$keywords/ui", "<span class=\"h\">$0</span>", $string); } echo highlight($string, array("house", "big"));
Output for git.master, git.master_jit, rfc.property-hooks
The <span class="h">house</span> is very <span class="h">big</span>.

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