mb_*: rely on ReflectionFunction::isInternal to detect correct list o…

…f functions to fix
PHP-CS-Fixer · Oct 9, 2019 · 083d062 · 083d062
1 parent 3fea39f
commit 083d062
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/Fixer/Alias/MbStrFunctionsFixer.php b/src/Fixer/Alias/MbStrFunctionsFixer.php
@@ -55,7 +55,7 @@ public function __construct()
         $this->functions = array_filter(
             self::$functionsMap,
             static function (array $mapping) {
-                return \function_exists($mapping['alternativeName']);
+                return \function_exists($mapping['alternativeName']) && (new \ReflectionFunction($mapping['alternativeName']))->isInternal();
             }
         );
     }

diff --git a/tests/Fixer/Alias/MbStrFunctionsFixerTest.php b/tests/Fixer/Alias/MbStrFunctionsFixerTest.php
@@ -63,7 +63,7 @@ public function strtolower($a);
             ],
         ];
 
-        if (\function_exists('mb_str_split')) {
+        if (\PHP_VERSION_ID >= 70400) {
             $cases[] = [
                 '<?php $a = mb_str_split($a);',
                 '<?php $a = str_split($a);',