Code Modernisation: Replace call_user_func_array() in various __call() methods with dynamic function calls.

The callback in these functions is always checked against a limited list of valid callbacks that can be safely changed to dynamic function calls.

Props jrf.
See #47678.

git-svn-id: https://develop.svn.wordpress.org/trunk@46144 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-wp-list-table.php

@@ -239,7 +239,7 @@ class WP_List_Table {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( in_array( $name, $this->compat_methods ) ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->$name( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-comment-query.php

@@ -124,7 +124,7 @@ class WP_Comment_Query {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( 'get_search_sql' === $name ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->get_search_sql( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-oembed.php

@@ -235,7 +235,7 @@ class WP_oEmbed {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( in_array( $name, $this->compat_methods ) ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->$name( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-query.php

@@ -3561,7 +3561,7 @@ class WP_Query {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( in_array( $name, $this->compat_methods ) ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->$name( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-roles.php

@@ -101,7 +101,7 @@ class WP_Roles {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( '_init' === $name ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->_init( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-user-query.php

@@ -885,7 +885,7 @@ class WP_User_Query {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( 'get_search_sql' === $name ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->get_search_sql( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-user.php

@@ -444,7 +444,7 @@ class WP_User {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( '_init_caps' === $name ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->_init_caps( ...$arguments );
 		}
 		return false;
 	}

src/wp-includes/class-wp-xmlrpc-server.php

@@ -177,7 +177,7 @@ class wp_xmlrpc_server extends IXR_Server {
 	 */
 	public function __call( $name, $arguments ) {
 		if ( '_multisite_getUsersBlogs' === $name ) {
-			return call_user_func_array( array( $this, $name ), $arguments );
+			return $this->_multisite_getUsersBlogs( ...$arguments );
 		}
 		return false;
 	}