How to validate phone number using php
+1
A:
This link has a good example for your issue. You may need to change a bit to accommodate your country's phone format.
http://www.plasticbrain.net/resources/php-validate-email-address-and-phone-number/
clusterfu_k
2010-06-22 06:50:58
+2
A:
Phone numbers on mars have 15 digits and they start with ~. So check the input string if it starts with ~ and have length 15 with all trailing numerics.
this. __curious_geek
2010-06-22 06:55:53
your missing the other planets..
Ben Rowe
2010-06-22 06:58:19
In my country they don't. Plus there might be an international prefix. Or an extension. Depending on the country, digit groups get distanced with spaces, dots or dashes. Ergo: Validation is culture dependend and not quite as simple as you think.
christian studer
2010-06-22 06:58:43
@christian: You forgot pause signals.
Alix Axel
2010-06-22 08:39:12
+2
A:
Since phone numbers must conform to a pattern, you can use regular expressions to match the entered phone number against the pattern you define in regexp.
php has both ereg and preg_match() functions. I'd suggest using preg_match() as there's more documentation for this style of regex.
An example
$phone = '000-0000-0000';
if(preg_match("/^[0-9]{3}-[0-9]{4}-[0-9]{4}$/", $phone)) {
// $phone is valid
}
Ben Rowe
2010-06-22 06:57:40
A:
I depends heavily on which number formats you aim to support, and how strict you want to enforce number grouping, use of whitespace and other separators etc....
Take a look at this similar question to get some ideas.
Then there is E.164 which is a numbering standard recommendation from ITU-T
Ivar Bonsaksen
2010-06-22 08:42:34