add bcdivmod

src/Php84/Php84.php

@@ -169,4 +169,23 @@ private static function mb_internal_trim(string $regex, string $string, ?string
 
         return mb_convert_encoding($string, $encoding, 'UTF-8');
     }
+
+    public static function bcdivmod(string $num1, string $num2, ?int $scale = null): array {
+        if ($num2 === '0') {
+            throw new \DivisionByZeroError('Division by zero');
+        }
+
+        if (!is_numeric($num1)) {
+            throw new \ValueError('Argument #1 ($num1) is not well-formed');
+        }
+
+        if (!is_numeric($num2)) {
+            throw new \ValueError('Argument #2 ($num2) is not well-formed');
+        }
+
+        return [
+            \bcdiv($num1, $num2, 0),
+            \bcmod($num1, $num2, $scale),
+        ];
+    }
 }

src/Php84/bootstrap.php

@@ -60,3 +60,7 @@ function mb_ltrim(string $string, ?string $characters = null, ?string $encoding
         function mb_rtrim(string $string, ?string $characters = null, ?string $encoding = null): string { return p\Php84::mb_rtrim($string, $characters, $encoding); }
     }
 }
+
+if (function_exists('bcdiv')) {
+    function bcdivmod(string $num1, string $num2, ?int $scale = null): array {return p\Php84::bcdivmod($num1, $num2, $scale); }
+}

tests/Php84/Php84Test.php

@@ -256,6 +256,16 @@ public function testMbTrimCharactersEncoding()
         mb_internal_encoding($old);
     }
 
+    /**
+     * @covers \Symfony\Polyfill\Php84\Php84::bcdivmod
+     *
+     * @dataProvider bcDivModProvider
+     */
+    public function testBcDivMod(string $num1, string $num2, ?int $scale = null, array $expected): void
+    {
+        $this->assertSame($expected, bcdivmod($num1, $num2, $scale));
+    }
+
     public static function mbTrimProvider(): iterable
     {
         yield ['ABC', 'ABC'];
@@ -319,4 +329,9 @@ public static function mbRTrimProvider(): iterable
 
         yield ["foo\n", "foo\n", 'o'];
     }
+
+    public static function bcDivModProvider(): iterable
+    {
+        yield ['10', '10', null, ['1', '0']];
+    }
 }