UNIX for Beginners Questions & Answers

echo get_string_between("Hello my name is bob", "my", ""); //output: " name is bob"

private function get_string_between($string, $start, $end){ // Get
    if($start != ''){ //If $start is empty, use start of the string
        $string = ' ' . $string;
        $ini = strpos($string, $start);
        if ($ini == 0) return '';
        $ini += strlen($start);
    }
    else{
        $ini = 0;
    }

    if ($end == '') { //If $end is blank, use end of string
        return substr($string, $ini);
    }
    else{
        $len = strpos($string, $end, $ini) - $ini; //Work out length of string
        return substr($string, $ini, $len);
    }
}