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Php Basic Security
- 7. datatype4.php <html> <head></head> <body> <?php if (!isset( $_POST [ 'submit' ])) { ?> <form action = ' <?php $_SERVER [ 'PHP_SELF' ] ?> ' method = 'post'> How many sandwiches would you like? (min 1, max 9) <br /> <input type = 'text' name = 'quantity'> <br /> <input type = 'submit' name = 'submit' value = 'Save'> </form> <?php } else { // check for required data // die if absent if (!isset( $_POST [ 'quantity' ]) || trim ( $_POST [ 'quantity' ]) == '' ) { die ( "ERROR: Can't make 'em if you don't say how many!" ); }