<?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()); }