diff --git a/README.md b/README.md
index 370956e57..f3bbe6a04 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ Polyfills are provided for:
 - the `Date*Exception/Error` classes introduced in PHP 8.3;
 - the `SQLite3Exception` class introduced in PHP 8.3;
 - the `mb_ucfirst` and `mb_lcfirst` functions introduced in PHP 8.4;
+- the `array_find`, `array_find_key`, `array_any` and `array_all` functions introduced in PHP 8.4;
 
 It is strongly recommended to upgrade your PHP version and/or install the missing
 extensions whenever possible. This polyfill should be used only when there is no
diff --git a/src/Php84/Php84.php b/src/Php84/Php84.php
index c8a9cf160..9358e0440 100644
--- a/src/Php84/Php84.php
+++ b/src/Php84/Php84.php
@@ -63,4 +63,48 @@ public static function mb_lcfirst(string $string, ?string $encoding = null): str
 
         return $firstChar . mb_substr($string, 1, null, $encoding);
     }
+
+    public static function array_find(array $array, callable $callback)
+    {
+        foreach ($array as $key => $value) {
+            if ($callback($value, $key)) {
+                return $value;
+            }
+        }
+
+        return null;
+    }
+
+    public static function array_find_key(array $array, callable $callback)
+    {
+        foreach ($array as $key => $value) {
+            if ($callback($value, $key)) {
+                return $key;
+            }
+        }
+
+        return null;
+    }
+
+    public static function array_any(array $array, callable $callback): bool
+    {
+        foreach ($array as $key => $value) {
+            if ($callback($value, $key)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public static function array_all(array $array, callable $callback): bool
+    {
+        foreach ($array as $key => $value) {
+            if (!$callback($value, $key)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
 }
diff --git a/src/Php84/README.md b/src/Php84/README.md
index 77d249bed..443e3d1b9 100644
--- a/src/Php84/README.md
+++ b/src/Php84/README.md
@@ -4,6 +4,7 @@ Symfony Polyfill / Php84
 This component provides features added to PHP 8.4 core:
 
 - [`mb_ucfirst` and `mb_lcfirst`](https://wiki.php.net/rfc/mb_ucfirst)
+- [`array_find`, `array_find_key`, `array_any` and `array_all`](https://wiki.php.net/rfc/array_find)
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md).
diff --git a/src/Php84/bootstrap.php b/src/Php84/bootstrap.php
index f73ba3d42..12cf7a7ac 100644
--- a/src/Php84/bootstrap.php
+++ b/src/Php84/bootstrap.php
@@ -23,3 +23,19 @@ function mb_ucfirst($string, ?string $encoding = null): string { return p\Php84:
 if (!function_exists('mb_lcfirst')) {
     function mb_lcfirst($string, ?string $encoding = null): string { return p\Php84::mb_lcfirst($string, $encoding); }
 }
+
+if (!function_exists('array_find')) {
+    function array_find(array $array, callable $callback) { return p\Php84::array_find($array, $callback); }
+}
+
+if (!function_exists('array_find_key')) {
+    function array_find_key(array $array, callable $callback) { return p\Php84::array_find_key($array, $callback); }
+}
+
+if (!function_exists('array_any')) {
+    function array_any(array $array, callable $callback): bool { return p\Php84::array_any($array, $callback); }
+}
+
+if (!function_exists('array_all')) {
+    function array_all(array $array, callable $callback): bool { return p\Php84::array_all($array, $callback); }
+}
diff --git a/tests/Php84/Php84Test.php b/tests/Php84/Php84Test.php
index c66f402df..e37a76ec1 100644
--- a/tests/Php84/Php84Test.php
+++ b/tests/Php84/Php84Test.php
@@ -30,6 +30,34 @@ public function testMbLcFirst(string $string, string $expected): void {
         $this->assertSame($expected, mb_lcfirst($string));
     }
 
+    /**
+     * @dataProvider arrayFindDataProvider
+     */
+    public function testArrayFind(array $array, callable $callback, $expected): void {
+        $this->assertSame($expected, array_find($array, $callback));
+    }
+
+    /**
+     * @dataProvider arrayFindKeyDataProvider
+     */
+    public function testArrayFindKey(array $array, callable $callback, $expected): void {
+        $this->assertSame($expected, array_find_key($array, $callback));
+    }
+
+    /**
+     * @dataProvider arrayAnyDataProvider
+     */
+    public function testArrayAny(array $array, callable $callback, bool $expected): void {
+        $this->assertSame($expected, array_any($array, $callback));
+    }
+
+    /**
+     * @dataProvider arrayAllDataProvider
+     */
+    public function testArrayAll(array $array, callable $callback, bool $expected): void {
+        $this->assertSame($expected, array_all($array, $callback));
+    }
+
     public static function ucFirstDataProvider(): array {
         return [
             ['', ''],
@@ -68,4 +96,78 @@ public static function lcFirstDataProvider(): array {
             ["ß", "ß"],
         ];
     }
+
+    public static function arrayFindDataProvider(): array {
+        $callable = function ($value): bool {
+            return strlen($value) > 2;
+        };
+
+        $callableKey = function ($value, $key): bool {
+            return is_numeric($key);
+        };
+
+        return [
+            [[], $callable, null],
+            [['a', 'aa', 'aaa', 'aaaa'], $callable, 'aaa'],
+            [['a', 'aa'], $callable, null],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callable, '123'],
+            [['a' => '1', 'b' => '12', 'c' => '123', 3 => '1234'], $callableKey, '1234'],
+        ];
+    }
+
+    public static function arrayFindKeyDataProvider(): array {
+        $callable = function ($value): bool {
+            return strlen($value) > 2;
+        };
+
+        $callableKey = function ($value, $key): bool {
+            return is_numeric($key);
+        };
+
+        return [
+            [[], $callable, null],
+            [['a', 'aa', 'aaa', 'aaaa'], $callable, 2],
+            [['a', 'aa'], $callable, null],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callable, 'c'],
+            [['a' => '1', 'b' => '12', 'c' => '123', 3 => '1234'], $callableKey, 3],
+        ];
+    }
+
+    public static function arrayAnyDataProvider(): array {
+        $callable = function ($value): bool {
+            return strlen($value) > 2;
+        };
+
+        $callableKey = function ($value, $key): bool {
+            return is_numeric($key);
+        };
+
+        return [
+            [[], $callable, false],
+            [['a', 'aa', 'aaa', 'aaaa'], $callable, true],
+            [['a', 'aa'], $callable, false],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callable, true],
+            [['a' => '1', 'b' => '12', 'c' => '123', 3 => '1234'], $callableKey, true],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callableKey, false],
+        ];
+    }
+
+    public static function arrayAllDataProvider(): array {
+        $callable = function ($value): bool {
+            return strlen($value) > 2;
+        };
+
+        $callableKey = function ($value, $key): bool {
+            return is_numeric($key);
+        };
+
+        return [
+            [[], $callable, true],
+            [['a', 'aa', 'aaa', 'aaaa'], $callable, false],
+            [['aaa', 'aaa'], $callable, true],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callable, false],
+            [['a' => '1', 'b' => '12', 'c' => '123', 'd' => '1234'], $callableKey, false],
+            [[1 => '1', 2 => '12', 3 => '123', 4 => '1234'], $callableKey, true],
+        ];
+    }
 }