<?php function getSearchResult($str, $query, $numOfWordToAdd) { $lowered = strtolower($query); $str = str_replace($query,$lowered,$str); list($before, $after) = explode($lowered, $str); $before = rtrim($before); $after = ltrim($after); $beforeArray = array_reverse(explode(" ", $before)); $afterArray = explode(" ", $after); $countBeforeArray = count($beforeArray); $countAfterArray = count($afterArray); $beforeString = ""; if($countBeforeArray < $numOfWordToAdd) { $beforeString = implode(' ', $beforeArray); } else { for($i = 0; $i < $numOfWordToAdd; $i++) { $beforeString = $beforeArray[$i] . ' ' . $beforeString; } } $afterString = ""; if($countAfterArray < $numOfWordToAdd) { $afterString = implode(' ', $afterArray); } else { for($i = 0; $i < $numOfWordToAdd; $i++) { $afterString = $afterString . $afterArray[$i] . ' '; } } $string = $beforeString . ' <span class="underline"> ' . $query . ' </span> ' . ' ' . $afterString; return $string; } $body = "<p>This is the body, KeyWoRd to be searched is here.</p>"; $keyword = "keyword"; echo getSearchResult($body,$keyword,1); ?>
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