Copy PHPUnit_Util_Filesystem::fileExistsInIncludePath() to PHP_CodeCoverage_Util::fileExistsInIncludePath().

Author: sebastianbergmann

PHP/CodeCoverage/Util.php

@@ -115,6 +115,38 @@ public static function crap($ccn, $coverage)
         );
     }
 
+    /**
+     * Implementation of stream_resolve_include_path() in PHP
+     * for version before PHP 5.3.2.
+     *
+     * @param  string $file
+     * @return mixed
+     * @author Mattis Stordalen Flister <mattis@xait.no>
+     * @since  Method available since Release 1.1.0
+     */
+    public static function fileExistsInIncludePath($file)
+    {
+        if (function_exists('stream_resolve_include_path')) {
+            return stream_resolve_include_path($file);
+        }
+
+        if (file_exists($file)) {
+            return realpath($file);
+        }
+
+        $paths = explode(PATH_SEPARATOR, get_include_path());
+
+        foreach ($paths as $path) {
+            $fullpath = $path . DIRECTORY_SEPARATOR . $file;
+
+            if (file_exists($fullpath)) {
+                return realpath($fullpath);
+            }
+        }
+
+        return FALSE;
+    }
+
     /**
      * @param  string $directory
      * @return string