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Validating number of characters from form field

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Oct 28.2007

Hello,

I have the following script:

[code=php]
if (empty($_POST[‘company_name’])) {
$message[] = ‘Please enter a company name’;
$cn = FALSE;
} else {
$cn = escape_data(strip_tags(stripslashes(trim($_POST[‘company_name’]))));
}
[/code]

I was wondering how I go about adding a Reg Exp so that the ‘company_name’ has to be greater than 3 characters? I thought this’d be quite easy to do.

Thanks for any help with this.

to post a comment
PHP

3 Comments(s) ↴

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@NogDogOct 28.2007 — I would just use strlen(), unless perhaps you also want to simultaneously validate other attributes of the value.
[code=php]
if(strlen($_POST['company_name']) < 4)
{
// too short
}
[/code]
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@invisionauthorOct 28.2007 — Aaaah, that's great NogDog - many thanks!
Copy linkTweet thisAlerts:
@pcthugOct 28.2007 — To save the little overhead associated with a function call;

[code=php]
if (!isset($_POST['company_name'][3]))
{
// too short
}
[/code]
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