refactor: fix phpstan callable related issues

src/Abstracts/Adapter.php

@@ -59,10 +59,11 @@ public function __call($methodName, $arguments)
 			return $this->getNotification();
 		}
 
-		return call_user_func_array(
-			[$this->getNotification(), $methodName],
-			$arguments
-		);
+		$method = [$this->getNotification(), $methodName];
+
+		if (is_callable($method)) {
+			return call_user_func_array($method, $arguments);
+		}
 	}
 
 	/**

src/Admin/ImportExport.php

@@ -94,13 +94,13 @@ public function exportRequest()
 
 		$type = sanitize_text_field(wp_unslash($_GET['type']));
 		try {
-			$data = call_user_func(
-				[$this, 'prepare' . ucfirst($type) . 'ExportData'],
-				explode(
-					',',
-					sanitize_text_field(wp_unslash($_GET['items'] ?? ''))
+			$exportMethod = [$this, 'prepare' . ucfirst($type) . 'ExportData'];
+			$data = is_callable($exportMethod)
+				? call_user_func(
+					$exportMethod,
+					explode(',', sanitize_text_field(wp_unslash($_GET['items'] ?? '')))
 				)
-			);
+				: null;
 		} catch (\Throwable $e) {
 			wp_die(
 				esc_html($e->getMessage()),
@@ -235,10 +235,10 @@ public function importRequest()
 		}
 
 		try {
-			$result = call_user_func(
-				[$this, 'process' . ucfirst($type) . 'ImportRequest'],
-				$data
-			);
+			$processMethod = [$this, 'process' . ucfirst($type) . 'ImportRequest'];
+			$result = is_callable($processMethod)
+				? call_user_func($processMethod, $data)
+				: 'Process method not available';
 		} catch (\Throwable $e) {
 			wp_send_json_error($e->getMessage());
 		}

src/Admin/Sync.php

@@ -111,14 +111,10 @@ public function ajaxSync()
 		$ajax = new Response();
 		$data = $_POST;
 
-		$response = method_exists(
-			$this,
-			'loadNotificationTo' . ucfirst($data['type'])
-		)
-			? call_user_func(
-				[$this, 'loadNotificationTo' . ucfirst($data['type'])],
-				$data['hash']
-			)
+		$callable = [$this, 'loadNotificationTo' . ucfirst($data['type'])];
+
+		$response = method_exists($callable[0], $callable[1]) && is_callable($callable)
+			? call_user_func($callable, $data['hash'])
 			: false;
 
 		if ($response === false) {

src/Core/Upgrade.php

@@ -69,18 +69,13 @@ public function checkUpgrade()
 
 		while ($dataVersion < static::$dataVersion) {
 			$dataVersion++;
-			$upgradeMethod = 'upgrade_to_v' . $dataVersion;
-
-			if (
-				!method_exists(
-					$this,
-					$upgradeMethod
-				)
-			) {
+			$upgradeMethod = [$this, 'upgrade_to_v' . $dataVersion];
+
+			if (! method_exists($upgradeMethod[0], $upgradeMethod[1]) || ! is_callable($upgradeMethod)) {
 				continue;
 			}
 
-			call_user_func([$this, $upgradeMethod]);
+			call_user_func($upgradeMethod);
 		}
 
 		update_option(

src/Defaults/Trigger/WordPress/UpdatesAvailable.php

@@ -107,12 +107,14 @@ public function mergeTags()
 						$lists = [];
 
 						foreach ($trigger->updateTypes as $updateType) {
-							if (!$trigger->hasUpdates($updateType)) {
+							$getUpdatesListMethod = [$trigger, 'get' . ucfirst($updateType) . 'UpdatesList'];
+
+							if (!$trigger->hasUpdates($updateType) || ! is_callable($getUpdatesListMethod)) {
 								continue;
 							}
 
 							$html = '<h3>' . $trigger->getListTitle($updateType) . '</h3>';
-							$html .= call_user_func([$trigger, 'get' . ucfirst($updateType) . 'UpdatesList']);
+							$html .= call_user_func($getUpdatesListMethod);
 							$lists[] = $html;
 						}
 
@@ -378,7 +380,12 @@ public function getThemeUpdatesList()
 	public function getUpdatesCount($updateType = 'all')
 	{
 		if ($updateType !== 'all') {
-			$updates = call_user_func('get' . ucfirst($updateType) . 'Updates');
+			$getUpdatesMethod = 'get' . ucfirst($updateType) . 'Updates';
+
+			/** @var array<string, mixed> */
+			$updates = is_callable($getUpdatesMethod)
+				? call_user_func($getUpdatesMethod)
+				: [];
 
 			if ($updateType === 'core') {
 				foreach ($updates as $updateKey => $update) {

src/Utils/Settings/Field.php

@@ -377,7 +377,6 @@ public function setRenderer($renderer)
 	 */
 	public function setSanitizer($sanitizer)
 	{
-
 		if (!is_callable($sanitizer)) {
 			throw new \Exception('Field sanitizer is not callable');
 		}
@@ -394,11 +393,11 @@ public function setSanitizer($sanitizer)
 	 */
 	public function render()
 	{
+		if (!is_callable($this->renderer)) {
+			throw new \Exception('Field rendered is not callable');
+		}
 
-		call_user_func(
-			$this->renderer,
-			$this
-		);
+		call_user_func($this->renderer, $this);
 	}
 
 	/**
@@ -409,15 +408,8 @@ public function render()
 	 */
 	public function sanitize($value)
 	{
-
-		if ($this->sanitizer) {
-			$this->value = call_user_func(
-				$this->sanitizer,
-				$value,
-				$this
-			);
-		}
-
-		return $this->value;
+		return $this->sanitizer && is_callable($this->sanitizer)
+			? call_user_func($this->sanitizer, $value, $this)
+			: $this->value;
 	}
 }