Add space between if and opening parenthesis.

library/Solarium/Core/Client/Adapter/Curl.php

@@ -158,7 +158,7 @@ class Curl extends Configurable implements AdapterInterface
 
         // Try endpoint authentication first, fallback to request for backwards compatibility
         $authData = $endpoint->getAuthentication();
-        if(empty($authData['username'])) $authData = $request->getAuthentication();
+        if (empty($authData['username'])) $authData = $request->getAuthentication();
 
         if ( !empty($authData['username']) && !empty($authData['password'])) {
             curl_setopt($handler, CURLOPT_USERPWD, $authData['username']. ':' . $authData['password'] );

library/Solarium/Core/Client/Adapter/Http.php

@@ -129,7 +129,7 @@ class Http extends Configurable implements AdapterInterface
 
         // Try endpoint authentication first, fallback to request for backwards compatibility
         $authData = $endpoint->getAuthentication();
-        if(empty($authData['username'])) $authData = $request->getAuthentication();
+        if (empty($authData['username'])) $authData = $request->getAuthentication();
 
         if ( !empty($authData['username']) && !empty($authData['password'])) {
             $request->addHeader('Authorization: Basic ' . base64_encode($authData['username']. ':' . $authData['password'] ));

library/Solarium/Core/Client/Adapter/PeclHttp.php

@@ -153,7 +153,7 @@ class PeclHttp extends Configurable implements AdapterInterface
 
         // Try endpoint authentication first, fallback to request for backwards compatibility
         $authData = $endpoint->getAuthentication();
-        if(empty($authData['username'])) $authData = $request->getAuthentication();
+        if (empty($authData['username'])) $authData = $request->getAuthentication();
 
         if ( !empty($authData['username']) && !empty($authData['password'])) {
             $headers['Authorization'] = 'Basic ' . base64_encode($authData['username']. ':' . $authData['password'] );

library/Solarium/Core/Query/Helper.php

@@ -464,7 +464,7 @@ class Helper
      */
     public function cacheControl($useCache, $cost = null)
     {
-        if($useCache === true) {
+        if ($useCache === true) {
             $cache = 'true';
         } else {
             $cache = 'false';

library/Solarium/QueryType/Select/Query/Component/MoreLikeThis.php

@@ -107,7 +107,7 @@ class MoreLikeThis extends Component
     public function getFields()
     {
         $fields = $this->getOption('fields');
-        if($fields == null) $fields = array();
+        if ($fields == null) $fields = array();
 
         return $fields;
     }
@@ -306,7 +306,7 @@ class MoreLikeThis extends Component
     public function getQueryFields()
     {
         $queryfields = $this->getOption('queryfields');
-        if($queryfields == null) $queryfields = array();
+        if ($queryfields == null) $queryfields = array();
 
         return $queryfields;
     }

library/Solarium/QueryType/Select/ResponseParser/Component/Spellcheck.php

@@ -119,7 +119,7 @@ class Spellcheck extends ResponseParserAbstract implements ComponentParserInterf
         } else {
 
             if ($queryObject->getResponseWriter() == $queryObject::WT_JSON) {
-                if(is_array(current($values))){
+                if (is_array(current($values))){
                     foreach($values as $key => $value) {
                         $values[$key] = $this->convertToKeyValueArray($value);
                     }

library/Solarium/QueryType/Terms/ResponseParser.php

@@ -66,7 +66,7 @@ class ResponseParser extends ResponseParserAbstract implements ResponseParserInt
         $query = $result->getQuery();
 
         // Special case to handle Solr 1.4 data
-        if(isset($data['terms']) && count($data['terms']) == count($query->getFields()) * 2) {
+        if (isset($data['terms']) && count($data['terms']) == count($query->getFields()) * 2) {
             $data['terms'] = $this->convertToKeyValueArray($data['terms']);
         }
 

library/Solarium/QueryType/Update/RequestBuilder.php

@@ -169,7 +169,7 @@ class RequestBuilder extends BaseRequestBuilder
         $xml = '<field name="' . $name . '"';
         $xml .= $this->attrib('boost', $boost);
         $xml .= $this->attrib('update', $modifier);
-        if($value === null){
+        if ($value === null){
             $xml .= $this->attrib('null', 'true');
         }
         $xml .= '>' . htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8');