Validating input php break up after dating 4 months
If the value of this option is ‘Select One’, the validation description should be “dontselect=Select One”compare two elements in the form and make sure the values are the same For example, ‘password’ and ‘confirm password’.
In addition to providing instructions, validate user input to help users avoid mistakes.
Also, the attribute can be added to form controls, to programmatically indicate that they are required.
Most current web browsers support this attribute and will communicate missing required input to the user, using standard web browser dialog mechanisms.
These dialogs are expected to respect the settings and preferences of the user in the web browser (and operating system), such as default font-size, colors, and language.
Let’s take a look at how you might receive user controllable data: This is a pretty tricky subject, because if you’re too specific, you might miss a scenario where perfectly valid data is rejected, but if you’re too unrestrictive, you’ll get data that’s not useful.
Some of the things you can control are the length of characters — you should always set a limit — ranges e.g.