fix PSR-2 coding standard

Author: jdeniau

lib/Elastica/Query/FunctionScore.php

@@ -1,6 +1,7 @@
 <?php
 
 namespace Elastica\Query;
+
 use Elastica\Filter\AbstractFilter;
 use Elastica\Script;
 
@@ -29,7 +30,7 @@ class FunctionScore extends AbstractQuery
     const DECAY_EXPONENTIAL = 'exp';
     const DECAY_LINEAR = 'linear';
 
-    protected $_functions = array();
+    protected $functions = array();
 
     /**
      * Set the child query for this function_score query
@@ -57,7 +58,7 @@ public function setFilter(AbstractFilter $filter)
      * @param AbstractFilter $filter optional filter to apply to the function
      * @return \Elastica\Query\FunctionScore
      */
-    public function addFunction($functionType, $functionParams, AbstractFilter $filter = NULL, $weight = null)
+    public function addFunction($functionType, $functionParams, AbstractFilter $filter = null, $weight = null)
     {
         $function = array(
             $functionType => $functionParams
@@ -68,7 +69,7 @@ public function addFunction($functionType, $functionParams, AbstractFilter $filt
         if ($weight !== null) {
             $function['weight'] = $weight;
         }
-        $this->_functions[] = $function;
+        $this->functions[] = $function;
         return $this;
     }
 
@@ -79,7 +80,7 @@ public function addFunction($functionType, $functionParams, AbstractFilter $filt
      * @param float $weight the weight of the function
      * @return \Elastica\Query\FunctionScore
      */
-    public function addScriptScoreFunction(Script $script, AbstractFilter $filter = NULL, $weight = null)
+    public function addScriptScoreFunction(Script $script, AbstractFilter $filter = null, $weight = null)
     {
         return $this->addFunction('script_score', $script->toArray(), $filter, $weight);
     }
@@ -90,15 +91,23 @@ public function addScriptScoreFunction(Script $script, AbstractFilter $filter =
      * @param string $field the document field on which to perform the decay function
      * @param string $origin the origin value for this decay function
      * @param string $scale a scale to define the rate of decay for this function
-     * @param string $offset If defined, this function will only be computed for documents with a distance from the origin greater than this value
+     * @param string $offset If defined, this function will only be computed for documents
+     *     with a distance from the origin greater than this value
      * @param float $decay optionally defines how documents are scored at the distance given by the $scale parameter
      * @param float $weight optional factor by which to multiply the score at the value provided by the $scale parameter
      * @param AbstractFilter $filter a filter associated with this function
      * @return \Elastica\Query\FunctionScore
      */
-    public function addDecayFunction($function, $field, $origin, $scale, $offset = NULL, $decay = NULL, $weight = NULL,
-                                     AbstractFilter $filter = NULL)
-    {
+    public function addDecayFunction(
+        $function,
+        $field,
+        $origin,
+        $scale,
+        $offset = null,
+        $decay = null,
+        $weight = null,
+        AbstractFilter $filter = null
+    ) {
         $functionParams = array(
             $field => array(
                 'origin' => $origin,
@@ -182,7 +191,7 @@ public function setBoostMode($mode)
      * @param int $seed Set a seed value to return results in the same random order for consistent pagination.
      * @return \Elastica\Query\FunctionScore
      */
-    public function setRandomScore($seed = NULL)
+    public function setRandomScore($seed = null)
     {
         $seedParam = new \stdClass();
         if (!is_null($seed)) {
@@ -206,8 +215,8 @@ public function setScoreMode($mode)
      */
     public function toArray()
     {
-        if (sizeof($this->_functions)) {
-            $this->setParam('functions', $this->_functions);
+        if (sizeof($this->functions)) {
+            $this->setParam('functions', $this->functions);
         }
         return parent::toArray();
     }