fix: TypeError when the value is not int or string

Author: kenjis

system/Validation/StrictRules/Rules.php

@@ -79,6 +79,10 @@ public function greater_than($str, string $min): bool
             $str = (string) $str;
         }
 
+        if (! is_string($str)) {
+            return false;
+        }
+
         return $this->nonStrictRules->greater_than($str, $min);
     }
 
@@ -93,6 +97,10 @@ public function greater_than_equal_to($str, string $min): bool
             $str = (string) $str;
         }
 
+        if (! is_string($str)) {
+            return false;
+        }
+
         return $this->nonStrictRules->greater_than_equal_to($str, $min);
     }
 
@@ -157,6 +165,10 @@ public function less_than($str, string $max): bool
             $str = (string) $str;
         }
 
+        if (! is_string($str)) {
+            return false;
+        }
+
         return $this->nonStrictRules->less_than($str, $max);
     }
 
@@ -171,6 +183,10 @@ public function less_than_equal_to($str, string $max): bool
             $str = (string) $str;
         }
 
+        if (! is_string($str)) {
+            return false;
+        }
+
         return $this->nonStrictRules->less_than_equal_to($str, $max);
     }
 

tests/system/Validation/StrictRules/RulesTest.php

@@ -104,6 +104,7 @@ public function provideGreaterThanEqualStrict(): Generator
             [0, '0', true],
             [1, '0', true],
             [-1, '0', false],
+            [true, '0', false],
         ];
     }
 
@@ -127,6 +128,7 @@ public function provideGreaterThanStrict(): Generator
             [10, '9', true],
             [10, '10', false],
             [10, 'a', false],
+            [true, '0', false],
         ];
     }
 
@@ -151,6 +153,7 @@ public function provideLessThanStrict(): Generator
             [10, '9', false],
             [10, '10', false],
             [10, 'a', true],
+            [true, '0', false],
         ];
     }
 
@@ -173,6 +176,7 @@ public function provideLessThanEqualStrict(): Generator
             [0, '0', true],
             [1, '0', false],
             [-1, '0', true],
+            [true, '0', false],
         ];
     }
 }