diff --git a/ext/pdo_pgsql/pgsql_driver.stub.php b/ext/pdo_pgsql/pgsql_driver.stub.php
index bf63c5656e2b5..e6d3695373cf9 100644
--- a/ext/pdo_pgsql/pgsql_driver.stub.php
+++ b/ext/pdo_pgsql/pgsql_driver.stub.php
@@ -5,16 +5,16 @@
 // These are extension methods for PDO. This is not a real class.
 class PDO_PGSql_Ext {
     /** @return bool */
-    public function pgsqlCopyFromArray(string $table_name, array $rows, string $delimiter = "\t", string $null_as = "\\\\N", ?string $fields = null) {}
+    public function pgsqlCopyFromArray(string $tableName, array $rows, string $separator = "\t", string $nullAs = "\\\\N", ?string $fields = null) {}
 
     /** @return bool */
-    public function pgsqlCopyFromFile(string $table_name, string $filename, string $delimiter = "\t", string $null_as = "\\\\N", ?string $fields = null) {}
+    public function pgsqlCopyFromFile(string $tableName, string $filename, string $separator = "\t", string $nullAs = "\\\\N", ?string $fields = null) {}
 
     /** @return array|false */
-    public function pgsqlCopyToArray(string $table_name, string $delimiter = "\t", string $null_as = "\\\\N", ?string $fields = null) {}
+    public function pgsqlCopyToArray(string $tableName, string $separator = "\t", string $nullAs = "\\\\N", ?string $fields = null) {}
 
     /** @return bool */
-    public function pgsqlCopyToFile(string $table_name, string $filename, string $delimiter = "\t", string $null_as = "\\\\N", ?string $fields = null) {}
+    public function pgsqlCopyToFile(string $tableName, string $filename, string $separator = "\t", string $nullAs = "\\\\N", ?string $fields = null) {}
 
     /** @return string|false */
     public function pgsqlLOBCreate() {}
@@ -26,7 +26,7 @@ public function pgsqlLOBOpen(string $oid, string $mode = "rb") {}
     public function pgsqlLOBUnlink(string $oid) {}
 
     /** @return array|false */
-    public function pgsqlGetNotify(int $result_type = PDO::FETCH_USE_DEFAULT, int $ms_timeout = 0) {}
+    public function pgsqlGetNotify(int $fetchMode = PDO::FETCH_USE_DEFAULT, int $timeoutMilliseconds = 0) {}
 
     /** @return int */
     public function pgsqlGetPid() {}
diff --git a/ext/pdo_pgsql/pgsql_driver_arginfo.h b/ext/pdo_pgsql/pgsql_driver_arginfo.h
index 0c79009f989a4..d8d33450af8f0 100644
--- a/ext/pdo_pgsql/pgsql_driver_arginfo.h
+++ b/ext/pdo_pgsql/pgsql_driver_arginfo.h
@@ -1,26 +1,26 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 6e5758f2ff93c89f3658aa8f6cfb32a60fd85127 */
+ * Stub hash: 82be78f03c363afd795c59bcbb061ef0b2f9d08c */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDO_PGSql_Ext_pgsqlCopyFromArray, 0, 0, 2)
-	ZEND_ARG_TYPE_INFO(0, table_name, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, tableName, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, rows, IS_ARRAY, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, delimiter, IS_STRING, 0, "\"\\t\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, null_as, IS_STRING, 0, "\"\\\\\\\\N\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, separator, IS_STRING, 0, "\"\\t\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, nullAs, IS_STRING, 0, "\"\\\\\\\\N\"")
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, fields, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDO_PGSql_Ext_pgsqlCopyFromFile, 0, 0, 2)
-	ZEND_ARG_TYPE_INFO(0, table_name, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, tableName, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, delimiter, IS_STRING, 0, "\"\\t\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, null_as, IS_STRING, 0, "\"\\\\\\\\N\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, separator, IS_STRING, 0, "\"\\t\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, nullAs, IS_STRING, 0, "\"\\\\\\\\N\"")
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, fields, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDO_PGSql_Ext_pgsqlCopyToArray, 0, 0, 1)
-	ZEND_ARG_TYPE_INFO(0, table_name, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, delimiter, IS_STRING, 0, "\"\\t\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, null_as, IS_STRING, 0, "\"\\\\\\\\N\"")
+	ZEND_ARG_TYPE_INFO(0, tableName, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, separator, IS_STRING, 0, "\"\\t\"")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, nullAs, IS_STRING, 0, "\"\\\\\\\\N\"")
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, fields, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
@@ -39,8 +39,8 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDO_PGSql_Ext_pgsqlLOBUnlink, 0, 0, 1)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDO_PGSql_Ext_pgsqlGetNotify, 0, 0, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, result_type, IS_LONG, 0, "PDO::FETCH_USE_DEFAULT")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, ms_timeout, IS_LONG, 0, "0")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, fetchMode, IS_LONG, 0, "PDO::FETCH_USE_DEFAULT")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, timeoutMilliseconds, IS_LONG, 0, "0")
 ZEND_END_ARG_INFO()
 
 #define arginfo_class_PDO_PGSql_Ext_pgsqlGetPid arginfo_class_PDO_PGSql_Ext_pgsqlLOBCreate