original_string: protected function _resultInjector($fetchQuery, $resultMap, $options)
      {
          $keys = $this->associationType === Association::MANY_TO_ONE ?
              $this->foreignKey :
              $this->bindingKey;
  
          $sourceKeys = [];
          foreach ((array)$keys as $key) {
              $f = $fetchQuery->aliasField($key, $this->sourceAlias);
              $sourceKeys[] = key($f);
          }
  
          $nestKey = $options['nestKey'];
          if (count($sourceKeys) > 1) {
              return $this->_multiKeysInjector($resultMap, $sourceKeys, $nestKey);
          }
  
          $sourceKey = $sourceKeys[0];
  
          return function ($row) use ($resultMap, $sourceKey, $nestKey) {
              if (isset($row[$sourceKey], $resultMap[$row[$sourceKey]])) {
                  $row[$nestKey] = $resultMap[$row[$sourceKey]];
              }
  
              return $row;
          };
      }
code: protected function _resultInjector($fetchQuery, $resultMap, $options)
      {
          $keys = $this->associationType === Association::MANY_TO_ONE ?
              $this->foreignKey :
              $this->bindingKey;
  
          $sourceKeys = [];
          foreach ((array)$keys as $key) {
              $f = $fetchQuery->aliasField($key, $this->sourceAlias);
              $sourceKeys[] = key($f);
          }
  
          $nestKey = $options['nestKey'];
          if (count($sourceKeys) > 1) {
              return $this->_multiKeysInjector($resultMap, $sourceKeys, $nestKey);
          }
  
          $sourceKey = $sourceKeys[0];
  
          return function ($row) use ($resultMap, $sourceKey, $nestKey) {
              if (isset($row[$sourceKey], $resultMap[$row[$sourceKey]])) {
                  $row[$nestKey] = $resultMap[$row[$sourceKey]];
              }
  
              return $row;
          };
      }
code_tokens: protected function _resultInjector ( $ fetchQuery , $ resultMap , $ options ) { $ keys = $ this -> associationType === Association :: MANY_TO_ONE ? $ this -> foreignKey : $ this -> bindingKey ; $ sourceKeys = [ ] ; foreach ( ( array ) $ keys as $ key ) { $ f = $ fetchQuery -> aliasField ( $ key , $ this -> sourceAlias ) ; $ sourceKeys [ ] = key ( $ f ) ; } $ nestKey = $ options [ 'nestKey' ] ; if ( count ( $ sourceKeys ) > 1 ) { return $ this -> _multiKeysInjector ( $ resultMap , $ sourceKeys , $ nestKey ) ; } $ sourceKey = $ sourceKeys [ 0 ] ; return function ( $ row ) use ( $ resultMap , $ sourceKey , $ nestKey ) { if ( isset ( $ row [ $ sourceKey ] , $ resultMap [ $ row [ $ sourceKey ] ] ) ) { $ row [ $ nestKey ] = $ resultMap [ $ row [ $ sourceKey ] ] ; } return $ row ; } ; }
docstring: Returns a callable to be used for each row in a query result set
  for injecting the eager loaded rows
  
  @param \Cake\ORM\Query $fetchQuery the Query used to fetch results
  @param array $resultMap an array with the foreignKey as keys and
  the corresponding target table results as value.
  @param array $options The options passed to the eagerLoader method
  @return \Closure
docstring_tokens: Returns a callable to be used for each row in a query result set for injecting the eager loaded rows