Hey guys, I have a simple question but I don’t know how to do it. Basically, I need a code that will check if the inputted string only contains set characters inside an array, such as this one: PHP Code: $allowedChars = array(“a”,”b”,”c”,”d”,”e”,”f”,”g”,”h”,”i”,”j”,”k”,”l”,”m”,”n”,”o”,”p”,”q”,”r”,”s”,”t”,”u”,”v”,”w”,”x”,”y”,”z”,” ”,”A”,”B”,”C”,”D”,”E”,”F”,”G”,”H”,”I”,”J”,”K”,”L”,”M”,”N”,”O”,”P”,”Q”,”R”,”S”,”T”,”U”,”V”,”W”,”X”,”Y”,”Z”,” ”,”0″,”1″,”2″,”3″,”4″,”5″,”6″,”7″,”8″,”9″,” ”,”@”,”.”,”-”,”_”,”+”,” ”); Array generated using this method: PHP Code: $str = ”abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789@.-_+”;$array = str_split($str);foreach ($array AS $value) { echo ”\”".$value.”\”,”;} Now say the string ‘@^!&(*!’ was [...]