/PHP/Text box should accept only alphanumeric not special characters in php

Text box should accept only alphanumeric not special characters in php

Text box should accept only alphanumeric not special characters in php

if(ctype_alnum($string)){
    echo "Yes, It's an alphanumeric string/text";
}
else{
    echo "No, It's not an alphanumeric string/text";
}

0

Source: stackoverflow.com

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