PHP Validation classes (verification of Email, numbers, strings, etc.)

This article shares a PHP validation class code that can be used to verify the email address, verify the number, verify the date, and so on. A friend in need may wish to make a reference. The code for the PHP validation class is as follows: 0 && ($D <= $MON [$M] | | $D ==29 && $Y%4==0 && ($Y%100!=0 | | $Y%400==0)); }//end of Is_data function}?> Example of an invocation of the 2,php validation class: Is_email ($_post[' email ')) echo "Email is valid!", Else echo "not a Valid email"; Echo " "; if ($val->is_number ($_post[' number ')) echo "number is valid!", Else echo "Not a Valid number"; echo " "; if ($val->is_alpha_numeric ($_post[' string ')) echo "string is valid!", Else echo "Not a Valid String"; echo " "; if ($val->is_date ($_post[' date ') >0) echo "date is valid!", Else echo "not a Valid date"; echo "

