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Convert string to underscore_name (See related posts)

Converts "My House" to "my_house".
Converts " Peter's nice car " to "peters_nice_car".
Converts "_88" to "88"

function string_to_underscore_name($string)
{
    $string = preg_replace('/[\'"]/', '', $string);
    $string = preg_replace('/[^a-zA-Z0-9]+/', '_', $string);
    $string = trim($string, '_');
    $string = strtolower($string);
    
    return $string;
}
to php string name underscore by stancell on Sat Sep 23 13:52:55 -0400 2006

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