Remove return-by-ref

Author: cweiske

Text/LanguageDetect.php

@@ -712,7 +712,7 @@ public function detect($sample, $limit = 0)
         $sample_obj->setPadStart(!$this->_perl_compatible);
         $sample_obj->analyze();
 
-        $trigram_freqs =& $sample_obj->getTrigramRanks();
+        $trigram_freqs = $sample_obj->getTrigramRanks();
         $trigram_count = count($trigram_freqs);
 
         if ($trigram_count == 0) {
@@ -723,7 +723,7 @@ public function detect($sample, $limit = 0)
 
         // use unicode block detection to narrow down the possibilities
         if ($this->_use_unicode_narrowing) {
-            $blocks =& $sample_obj->getUnicodeBlocks();
+            $blocks = $sample_obj->getUnicodeBlocks();
 
             if (is_array($blocks)) {
                 $present_blocks = array_keys($blocks);

Text/LanguageDetect/Parser.php

@@ -180,7 +180,7 @@ function setUnicodeSkipSymbols($bool = true)
      * @access  public
      * @return  array    trigram ranks in the text sample
      */
-    function &getTrigramRanks()
+    function getTrigramRanks()
     {
         return $this->_trigram_ranks;
     }
@@ -193,7 +193,7 @@ function &getTrigramRanks()
      * @access  public
      * @return  array    trigram freqencies in the text sample
      */
-    function &getTrigramFreqs()
+    function getTrigramFreqs()
     {
         return $this->_trigram;
     }
@@ -204,7 +204,7 @@ function &getTrigramFreqs()
      * @access  public
      * @return  array   unicode blocks in the text sample
      */
-    function &getUnicodeBlocks()
+    function getUnicodeBlocks()
     {
         return $this->_unicode_blocks;
     }