add float validator to simple checker

Author: inhere

src/Simple/ValidData.php

@@ -133,6 +133,38 @@ public static function getIntsBySplit(string $field, int $min = null, int $max =
         return $arr ? array_map('intval', $arr) : [];
     }
 
+    /**
+     * @param string      $field
+     * @param float|null    $min
+     * @param float|null    $max
+     * @param float|null $default
+     *
+     * @return float
+     */
+    public static function getFloat(string $field, float $min = null, float $max = null, float $default = null): float
+    {
+        if (!isset(self::$data[$field])) {
+            if ($default === null) {
+                throw self::newEx($field, 'is required and must be float');
+            }
+            return $default;
+        }
+
+        $val = self::$data[$field];
+        if (is_numeric($val)) {
+            $val = (float)$val;
+
+            // check min and max
+            if (!Validators::float($val, $min, $max)) {
+                throw static::newEx($field, self::fmtMinMaxToMsg('must be float', $min, $max));
+            }
+
+            return $val;
+        }
+
+        throw self::newEx($field, 'required and must be float value');
+    }
+
     /**
      * @param string      $field
      * @param int|null    $minLen

src/Validators.php

@@ -787,6 +787,10 @@ public static function email($val, $default = null): bool
      */
     public static function ip($val, $default = null, $flags = 0): bool
     {
+        if (!is_string($val)) {
+            return false;
+        }
+
         $settings = (int)$flags !== 0 ? ['flags' => (int)$flags] : [];
 
         if ($default !== null) {

test/IssuesTest.php

@@ -3,7 +3,6 @@
 namespace Inhere\ValidateTest;
 
 use Inhere\Validate\Validation;
-use function vdump;
 
 /**
  * class IssuesTest

test/Simple/ValidDataTest.php

@@ -17,6 +17,7 @@ class ValidDataTest extends BaseValidateTestCase
         'num'  => '23',
         'str'  => 'abc',
         'str1' => ' abc ',
+        'flt'  => '2.33',
         'arr'  => ['ab', 'cd'],
         'ints' => ['23', 25],
         'strs' => ['23', 'cd', 25],
@@ -37,6 +38,8 @@ public function testBasicOK(): void
         $data = $this->testData;
 
         $this->assertSame(23, VData::getInt('int'));
+        $this->assertSame(2.33, VData::getFloat('flt'));
+        $this->assertSame(23.0, VData::getFloat('int'));
         $this->assertSame('abc', VData::getString('str'));
         $this->assertSame('abc', VData::getString('str1'));
         $this->assertSame($data['arr'], VData::getArray('arr'));