<?php
/**
* Violin example. Custom rule.
*
* Creating a custom rule using the addRule method, passing in a
* closure which should return false if the check has failed,
* or true if the check has passed.
*/
require '../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$v->addRuleMessage('startsWithNumber', 'The {field} must start with a number.');
$v->addRule('startsWithNumber', function ($value, $input, $args) {
$value = trim($value);
return is_numeric($value[0]);
});
$v->validate(['username' => ['dale', 'required|min(3)|max(20)|startsWithNumber']]);
if ($v->passes()) {
// Passed
} else {
var_dump($v->errors()->all());
}
<?php
/**
* Violin example. Message placeholders.
*
* Shows how you can output all arguments as a comma seperated list,
* if you have a variable amount of arguments for a rule.
*/
require '../../../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$v->addRuleMessage('isoneof', '{field} must be one of {$*}');
$v->addRule('isoneof', function ($value, $input, $args) {
$value = trim($value);
return in_array($value, $args);
});
$v->validate(['age' => ['sheep', 'required|isoneof(apples, pears)']]);
if ($v->passes()) {
// Passed
} else {
var_dump($v->errors()->all());
}
<?php
/**
* Violin example. Custom rule.
*
* Creating a custom rule using the addRule method, passing in a
* closure which should return false if the check has failed,
* or true if the check has passed.
*
* This example shows the use of arguments that can be used
* to make rules that require arguments.
*/
require '../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$v->addRuleMessage('startsWith', 'The {field} must start with "{$0}".');
$v->addRule('startsWith', function ($value, $input, $args) {
$value = trim($value);
return $value[0] === $args[0];
});
$v->validate(['username' => ['dale', 'required|min(3)|max(20)|startsWith(a)']]);
if ($v->passes()) {
// Passed
} else {
var_dump($v->errors()->all());
}