Added vendor/ directory for Composer's installed files

vendor/alexgarrett/violin/examples/rules/custom_rule.php

@@ -0,0 +1,32 @@
+<?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());
+}

vendor/alexgarrett/violin/examples/rules/custom_rule_arguments.php

@@ -0,0 +1,35 @@
+<?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());
+}