Validators: added 'file', 'directory', 'class' & 'interface'

Author: dg

src/Utils/Validators.php

@@ -42,7 +42,11 @@ class Validators
 		'uri' => [__CLASS__, 'isUri'],
 		'none' => [__CLASS__, 'isNone'],
 		'type' => [__CLASS__, 'isType'],
+		'class' => 'class_exists',
+		'interface' => 'interface_exists',
 		'identifier' => [__CLASS__, 'isPhpIdentifier'],
+		'file' => 'is_file',
+		'directory' => 'is_dir',
 		'pattern' => null,
 		'alnum' => 'ctype_alnum',
 		'alpha' => 'ctype_alpha',

tests/Utils/Validators.is().phpt

@@ -321,6 +321,32 @@ test(function () {
 });
 
 
+test(function () {
+	Assert::true(Validators::is('rimmer', 'class'));
+	Assert::false(Validators::is('kryton', 'class'));
+	Assert::false(Validators::is('1', 'class'));
+});
+
+
+test(function () {
+	Assert::false(Validators::is('rimmer', 'interface'));
+	Assert::true(Validators::is('kryton', 'interface'));
+	Assert::false(Validators::is('1', 'interface'));
+});
+
+
+test(function () {
+	Assert::true(Validators::is(__FILE__, 'file'));
+	Assert::false(Validators::is(__FILE__ . 'xx', 'class'));
+});
+
+
+test(function () {
+	Assert::true(Validators::is(__DIR__, 'directory'));
+	Assert::false(Validators::is(__DIR__ . 'xx', 'directory'));
+});
+
+
 test(function () {
 	Assert::true(Validators::is('Item', 'identifier'));
 	Assert::false(Validators::is('0Item', 'identifier'));