diff --git a/ext/spl/spl_directory.c b/ext/spl/spl_directory.c
index 95fc5e25be4b..a4769c2188be 100644
--- a/ext/spl/spl_directory.c
+++ b/ext/spl/spl_directory.c
@@ -2257,7 +2257,7 @@ PHP_METHOD(SplFileObject, fgetcsv)
 	size_t d_len = 0, e_len = 0;
 	zend_string *escape_str = NULL;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ssS", &delim, &d_len, &enclo, &e_len, &escape_str) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!s!S!", &delim, &d_len, &enclo, &e_len, &escape_str) == FAILURE) {
 		RETURN_THROWS();
 	}
 
diff --git a/ext/spl/spl_directory.stub.php b/ext/spl/spl_directory.stub.php
index 6194a8617b43..d3eca11eb5c1 100644
--- a/ext/spl/spl_directory.stub.php
+++ b/ext/spl/spl_directory.stub.php
@@ -245,7 +245,7 @@ public function fgets(): string {}
     public function fread(int $length): string|false {}
 
     /** @tentative-return-type */
-    public function fgetcsv(string $separator = ",", string $enclosure = "\"", string $escape = "\\"): array|false {}
+    public function fgetcsv(?string $separator = null, ?string $enclosure = null, ?string $escape = null): array|false {}
 
     /** @tentative-return-type */
     public function fputcsv(array $fields, string $separator = ",", string $enclosure = "\"", string $escape = "\\", string $eol = "\n"): int|false {}
diff --git a/ext/spl/spl_directory_arginfo.h b/ext/spl/spl_directory_arginfo.h
index 16860be558d7..be7ec5b7fbfe 100644
--- a/ext/spl/spl_directory_arginfo.h
+++ b/ext/spl/spl_directory_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit spl_directory.stub.php instead.
- * Stub hash: 802429d736404c2d66601f640942c827b6e6e94b */
+ * Stub hash: b6fe5a5f28ca0a93739d41cfe630abfefa960d26 */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_SplFileInfo___construct, 0, 0, 1)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
@@ -178,9 +178,9 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_MASK_EX(arginfo_class_SplFileObject_fr
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_MASK_EX(arginfo_class_SplFileObject_fgetcsv, 0, 0, MAY_BE_ARRAY|MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, separator, IS_STRING, 0, "\",\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, enclosure, IS_STRING, 0, "\"\\\"\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, escape, IS_STRING, 0, "\"\\\\\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, separator, IS_STRING, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, enclosure, IS_STRING, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, escape, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_MASK_EX(arginfo_class_SplFileObject_fputcsv, 0, 1, MAY_BE_LONG|MAY_BE_FALSE)
diff --git a/ext/spl/tests/gh22156.phpt b/ext/spl/tests/gh22156.phpt
new file mode 100644
index 000000000000..e23ace69a984
--- /dev/null
+++ b/ext/spl/tests/gh22156.phpt
@@ -0,0 +1,112 @@
+--TEST--
+Bug GH-22156 SplFileObject::fgetcsv() with named escape parameter
+--FILE--
+<?php
+
+echo "Test 1:\n";
+$file = new SplFileObject('php://memory', 'rw+');
+
+$file->fwrite("foo;bar;baz");
+$file->seek(0);
+
+$file->setCsvControl(';', "\n", "\\");
+
+while (!$file->eof()) {
+    $line = $file->fgetcsv(escape: '\\');
+    var_dump($line);
+}
+
+echo "Test 2:\n";
+$f = new SplFileObject('php://memory', 'rw+');
+$f->setCsvControl(';', "\n", "\\");
+$f->fwrite("a,b;c\n");
+$f->seek(0);
+var_dump($f->fgetcsv(',', '"', '\\'));
+
+echo "Test 3:\n";
+$f = new SplFileObject('php://memory', 'rw+');
+$f->setCsvControl(',', "'", "\\");
+$f->fwrite("a,'b,c'\n");
+$f->seek(0);
+var_dump($f->fgetcsv(escape: '\\'));
+
+echo "Test 4:\n";
+$f = new SplFileObject('php://memory', 'rw+');
+$f->setCsvControl(',', "'");
+$f->fwrite("a,'b\\'c'\n");
+$f->seek(0);
+var_dump($f->fgetcsv(escape: '\\'));
+
+echo "Test 5:\n";  
+
+$rm = new ReflectionMethod(SplFileObject::class, 'fgetcsv');
+foreach ($rm->getParameters() as $p) {
+    var_dump(
+        $p->getName(),
+        $p->allowsNull(),
+        $p->getDefaultValue()
+    );
+}
+
+echo "Test 6:\n";
+$f = new SplFileObject('php://memory', 'rw+');
+$f->setCsvControl(',', '"');
+$f->fwrite("a,b\n");
+$f->seek(0);
+var_dump($f->fgetcsv());
+
+?>
+--EXPECTF--
+Test 1:
+array(3) {
+  [0]=>
+  string(3) "foo"
+  [1]=>
+  string(3) "bar"
+  [2]=>
+  string(3) "baz"
+}
+Test 2:
+array(2) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(3) "b;c"
+}
+Test 3:
+array(2) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(3) "b,c"
+}
+Test 4:
+
+Deprecated: SplFileObject::setCsvControl(): the $escape parameter must be provided as its default value will change in %s on line %d
+array(2) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(4) "b\'c"
+}
+Test 5:
+string(9) "separator"
+bool(true)
+NULL
+string(9) "enclosure"
+bool(true)
+NULL
+string(6) "escape"
+bool(true)
+NULL
+Test 6:
+
+Deprecated: SplFileObject::setCsvControl(): the $escape parameter must be provided as its default value will change in %s on line %d
+
+Deprecated: SplFileObject::fgetcsv(): the $escape parameter must be provided, as its default value will change, either explicitly or via SplFileObject::setCsvControl() in %s on line %d
+array(2) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+}