If you want to find one word in a string you would use strpos, but there can be a problem when you want to search for more than one word, then this code below would work for you.
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function contains($needles, $haystack) { return count(array_intersect($needles, explode(" ", preg_replace("/[^A-Za-z0-9' -]/", "", $haystack)))); } $string = 'site security'; $array = array('building', 'site','security'); $i = contains($array, $string); echo ($i) ? "Keyword found" : "not found"; |
