chore: added Type constants

Author: andrepimpao

src/Rule/Type.php

@@ -7,36 +7,66 @@
 
 class Type extends AbstractRule implements RuleInterface
 {
+    public const BOOL = 'bool';
+    public const BOOLEAN = 'boolean';
+    public const INT = 'int';
+    public const INTEGER = 'integer';
+    public const LONG = 'long';
+    public const FLOAT = 'float';
+    public const DOUBLE = 'double';
+    public const REAL = 'real';
+    public const NUMERIC = 'numeric';
+    public const STRING = 'string';
+    public const SCALAR = 'scalar';
+    public const ARRAY = 'array';
+    public const ITERABLE = 'iterable';
+    public const COUNTABLE = 'countable';
+    public const CALLABLE = 'callable';
+    public const OBJECT = 'object';
+    public const RESOURCE = 'resource';
+    public const NULL = 'null';
+    public const ALPHANUMERIC = 'alphanumeric';
+    public const ALPHA = 'alpha';
+    public const DIGIT = 'digit';
+    public const CONTROL = 'control';
+    public const PUNCTUATION = 'punctuation';
+    public const HEXADECIMAL = 'hexadecimal';
+    public const GRAPH = 'graph';
+    public const PRINTABLE = 'printable';
+    public const WHITESPACE = 'whitespace';
+    public const LOWERCASE = 'lowercase';
+    public const UPPERCASE = 'uppercase';
+
     private const TYPE_FUNCTIONS = [
-        'bool' => 'is_bool',
-        'boolean' => 'is_bool',
-        'int' => 'is_int',
-        'integer' => 'is_int',
-        'long' => 'is_int',
-        'float' => 'is_float',
-        'double' => 'is_float',
-        'real' => 'is_float',
-        'numeric' => 'is_numeric',
-        'string' => 'is_string',
-        'scalar' => 'is_scalar',
-        'array' => 'is_array',
-        'iterable' => 'is_iterable',
-        'countable' => 'is_countable',
-        'callable' => 'is_callable',
-        'object' => 'is_object',
-        'resource' => 'is_resource',
-        'null' => 'is_null',
-        'alphanumeric' => 'ctype_alnum',
-        'alpha' => 'ctype_alpha',
-        'digit' => 'ctype_digit',
-        'control' => 'ctype_cntrl',
-        'punctuation' => 'ctype_punct',
-        'hexadecimal' => 'ctype_xdigit',
-        'graph' => 'ctype_graph',
-        'printable' => 'ctype_print',
-        'whitespace' => 'ctype_space',
-        'lowercase' => 'ctype_lower',
-        'uppercase' => 'ctype_upper'
+        self::BOOL => 'is_bool',
+        self::BOOLEAN => 'is_bool',
+        self::INT => 'is_int',
+        self::INTEGER => 'is_int',
+        self::LONG => 'is_int',
+        self::FLOAT => 'is_float',
+        self::DOUBLE => 'is_float',
+        self::REAL => 'is_float',
+        self::NUMERIC => 'is_numeric',
+        self::STRING => 'is_string',
+        self::SCALAR => 'is_scalar',
+        self::ARRAY => 'is_array',
+        self::ITERABLE => 'is_iterable',
+        self::COUNTABLE => 'is_countable',
+        self::CALLABLE => 'is_callable',
+        self::OBJECT => 'is_object',
+        self::RESOURCE => 'is_resource',
+        self::NULL => 'is_null',
+        self::ALPHANUMERIC => 'ctype_alnum',
+        self::ALPHA => 'ctype_alpha',
+        self::DIGIT => 'ctype_digit',
+        self::CONTROL => 'ctype_cntrl',
+        self::PUNCTUATION => 'ctype_punct',
+        self::HEXADECIMAL => 'ctype_xdigit',
+        self::GRAPH => 'ctype_graph',
+        self::PRINTABLE => 'ctype_print',
+        self::WHITESPACE => 'ctype_space',
+        self::LOWERCASE => 'ctype_lower',
+        self::UPPERCASE => 'ctype_upper'
     ];
 
     public function __construct(
@@ -57,12 +87,12 @@ public function assert(mixed $value, string $name): void
                 return;
             }
 
-            if (!isset(self::TYPE_FUNCTIONS[$constraint]) && !class_exists($constraint) && !interface_exists($constraint)) {
+            if (!isset(self::TYPE_FUNCTIONS[$constraint]) && !\class_exists($constraint) && !\interface_exists($constraint)) {
                 throw new UnexpectedValueException(
                     \sprintf(
                         'Invalid constraint type "%s". Accepted values are: "%s"',
                         $constraint,
-                        implode(', ', array_keys(self::TYPE_FUNCTIONS))
+                        \implode('", "', \array_keys(self::TYPE_FUNCTIONS))
                     )
                 );
             }