This PHP class is useful to validate an HTML form fields.
⚠️ Do you use PSR-7? Try Embryo Validation, the new version of this repository.
require_once('Validation.php'); $email = 'example@email.com';
$username = 'admin';
$password = 'test';
$age = 29;
$val = new Validation();
$val->name('email')->value($email)->pattern('email')->required();
$val->name('username')->value($username)->pattern('alpha')->required();
$val->name('password')->value($password)->customPattern('[A-Za-z0-9-.;_!#@]{5,15}')->required();
$val->name('age')->value($age)->min(18)->max(40);
if($val->isSuccess()){
echo "Validation ok!";
}else{
echo "Validation error!";
var_dump($val->getErrors());
} <?php $val = new Validation; ?>
<form method="post" action="#">
<label for="name">Name:</label>
<input type="text" name="name" pattern="<?php echo $val->patterns['words']; ?>" required>
<label for="email">E-Mail:</label>
<input type="email" name="email" required>
<label for="tel">Telephone:</label>
<input type="text" name="tel" pattern="<?php echo $val->patterns['tel']; ?>">
<label for="message">Message:</label>
<textarea name="message" cols="40" rows="6" required></textarea>
<button type="submit">Send</button>
</form>
<?php
if(!empty($_POST)){
$val->name('name')->value($_POST['name'])->pattern('words')->required();
$val->name('e-mail')->value($_POST['email'])->pattern('email')->required();
$val->name('tel')->value($_POST['tel'])->pattern('tel');
$val->name('message')->value($_POST['message'])->pattern('text')->required();
if($val->isSuccess()){
echo 'Validation ok!';
}else{
echo $val->displayErrors();
}
}
?>| Method | Parameter | Description | Example |
|---|---|---|---|
| name | $name | Return field name | name('name') |
| value | $value | Return value field | value($_POST['name]) |
| file | $value | Return $_FILES array | file($_FILES['name']) |
| pattern | $pattern | Return an error if the input has a different format than the pattern | pattern('text') |
| customPattern | $pattern | Return an error if the input has a different format than the custom pattern | customPattern('[A-Za-z]') |
| required | Returns an error if the input is empty | required() | |
| min | $length | Return an error if the input is shorter than the parameter | min(10) |
| max | $length | Return an error if the input is longer than the parameter | max(10) |
| equal | $value | Return an error if the input is not same as the parameter | equal($value) |
| maxSize | $value | Return an error if the file size exceeds the maximum allowable size | maxSize(3145728) |
| ext | $value | Return an error if the file extension is not same the parameter | ext('pdf') |
| isSuccess | Return true if there are no errors | isSuccess() | |
| getErrors | Return an array with validation errors | getErrors() | |
| displayErrors | Return Html errors | displayErrors() | |
| result | Return true if there are no errors or html errors | result() | |
| is_int | $value | Return true if the value is an integer number | is_int(1) |
| is_float | $value | Return true if the value is an float number | is_float(1.1) |
| is_alpha | $value | Return true if the value is an alphabetic characters | is_alpha('test') |
| is_alphanum | $value | Return true if the value is an alphanumeric characters | is_alphanum('test1') |
| is_url | $value | Return true if the value is an url (protocol is required) | is_url('http://www.example.com') |
| is_uri | $value | Return true if the value is an uri (protocol is not required) | is_uri('www.example.com') |
| is_bool | $value | Return true if the value is an boolean | is_bool(true) |
| is_email | $value | Return true if the value is an e-mail | is_email('email@email.com') |
| Name | Description | Example |
|---|---|---|
| uri | Url without file extension | folder-1/folder-2 |
| url | Uri with file extension | http://www.example.com/myfile.gif |
| alpha | Only alphabetic characters | World |
| words | Alphabetic characters and spaces | Hello World |
| alphanum | Alpha-numeric characters | test2016 |
| int | Integer number | 154 |
| float | Float number | 1,234.56 |
| tel | Telephone number | (+39) 081-777-77-77 |
| text | Alpha-numeric characters, spaces and some special characters | Test1 ,.():;!@&%? |
| file | File name format | myfile.png |
| folder | Folder name format | my_folde |
| address | Address format | Street Name, 99 |
| date_dmy | Date in format dd-MM-YYYY | 01-01-2016 |
| date_ymd | Date in format YYYY-MM-dd | 2016-01-01 |
| E-Mail format | exampe@email.com |