[9.x] Used str_contains instead of strpos. (#40207)

* Used `str_contains` instead of `strpos`.

* Used `str_contains` instead of `strpos`.

Author: selcukcukur

src/Illuminate/Container/BoundMethod.php

@@ -137,7 +137,7 @@ protected static function getMethodDependencies($container, $callback, array $pa
      */
     protected static function getCallReflector($callback)
     {
-        if (is_string($callback) && strpos($callback, '::') !== false) {
+        if (is_string($callback) && str_contains($callback, '::')) {
             $callback = explode('::', $callback);
         } elseif (is_object($callback) && ! $callback instanceof Closure) {
             $callback = [$callback, '__invoke'];
@@ -191,6 +191,6 @@ protected static function addDependencyForCallParameter($container, $parameter,
      */
     protected static function isCallableWithAtSign($callback)
     {
-        return is_string($callback) && strpos($callback, '@') !== false;
+        return is_string($callback) && str_contains($callback, '@');
     }
 }