To determine whether a string contains another string you can use the PHP function strpos() . int strpos ( string $haystack , mixed $needle [, int $offset ... ... <看更多>

Trims the string and replaces consecutive whitespace characters with a single space. This includes tabs and newline characters, as well as multibyte whitespace ... ... <看更多>

You could use something like this: $string = 'Hello, people at Stackoverflow'; $array = array('Hello', 'People'); $i ... ... <看更多>

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