Zip code validation in php

The first thing you have to do when attempting to validate phone numbers is to create the right type of PHP function. When creating a function to validate a phone number, it should look something like this:. By putting in functions that only allow for numbers to be entered into the form, you can avoid issues with text getting put into the wrong places.

With this type of code, you will be able to receive the phone number as a parameter. When writing your function, be sure to remove all illegal characters that are not commonly found in phone numbers around the world. This function also contains code that checks the length of the phone number given by a new user.

Most phone numbers are between 10 to 14 characters. If you have package discovery enabled, that's it, continue to the usage section. Postal code validation perfectly integrates into your Laravel application, you can use it just like you would any framework validation rule. The field under validation must be a valid postal code in at least one of the given countries. Arguments must be countries in ISO alpha-2 format. The field under validation must be a postal code in at least one of the countries in the given fields only if at least one of the specified fields is present.

If you prefer using a fluent object style over string based rules, that's also available:. If you want to validate postal codes manually outside of Laravel's validation system, you can call the validator directly, like so:. The call looks like:. Bad zipcodes will throw an error that you can catch.

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