1 files changed, 50 insertions, 0 deletions
diff --git a/src/ValidatorRules.php b/src/ValidatorRules.php
new file mode 100644
index 0000000..d3599e0
--- /dev/null
+++ b/src/ValidatorRules.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Askonomm\Validator;
+
+class ValidatorRules
+{
+    public static function len(): array
+    {
+        return [
+            'error' => function (string $field, mixed $modifier = 0): string {
+                return "{$field} is shorter than the required ${modifier} characters.";
+            },
+            'validates' => function (string $value, mixed $modifier = 0): bool {
+                if (!isset($value) || strlen($value) < (int) $modifier) {
+                    return false;
+                }
+
+                return true;
+            }
+        ];
+    }
+
+    public static function email(): array
+    {
+        return [
+            'error' => function (string $field): string {
+                return "${field} is not a valid e-mail address.";
+            },
+            'validates' => function (string $value): bool {
+                if (!isset($value) || !filter_var($value, FILTER_VALIDATE_EMAIL)) {
+                    return false;
+                }
+
+                return true;
+            }
+        ];
+    }
+
+    public static function required(): array
+    {
+        return [
+            'error' => function (string $field): string {
+                return "${field} is required.";
+            },
+            'validates' => function (string $value): bool {
+                return isset($value) && $value !== '';
+            }
+        ];
+    }
+}