fix: TypeError in greater_than_equal_to

CodeIgniter\Validation\Rules::greater_than_equal_to(): Argument #1 ($str) must be of type ?string, int given

Author: kenjis

system/Validation/StrictRules/Rules.php

@@ -81,10 +81,14 @@ public function greater_than($str, string $min): bool
     /**
      * Equal to or Greater than
      *
-     * @param mixed $str
+     * @param mixed $str expects int|string
      */
     public function greater_than_equal_to($str, string $min): bool
     {
+        if (is_int($str)) {
+            $str = (string) $str;
+        }
+
         return $this->nonStrictRules->greater_than_equal_to($str, $min);
     }
 

tests/system/Validation/StrictRules/RulesTest.php

@@ -84,4 +84,26 @@ public function providePermitEmptyCasesStrict(): Generator
             ],
         ];
     }
+
+    /**
+     * @dataProvider provideGreaterThanEqualStrict
+     *
+     * @param int $value
+     */
+    public function testGreaterThanEqualStrict($value, string $param, bool $expected): void
+    {
+        $this->validation->setRules(['foo' => "greater_than_equal_to[{$param}]"]);
+
+        $data = ['foo' => $value];
+        $this->assertSame($expected, $this->validation->run($data));
+    }
+
+    public function provideGreaterThanEqualStrict(): Generator
+    {
+        yield from [
+            [0, '0', true],
+            [1, '0', true],
+            [-1, '0', false],
+        ];
+    }
 }