original_string: protected function _multiKeysInjector($resultMap, $sourceKeys, $nestKey)
      {
          return function ($row) use ($resultMap, $sourceKeys, $nestKey) {
              $values = [];
              foreach ($sourceKeys as $key) {
                  $values[] = $row[$key];
              }
  
              $key = implode(';', $values);
              if (isset($resultMap[$key])) {
                  $row[$nestKey] = $resultMap[$key];
              }
  
              return $row;
          };
      }
code: protected function _multiKeysInjector($resultMap, $sourceKeys, $nestKey)
      {
          return function ($row) use ($resultMap, $sourceKeys, $nestKey) {
              $values = [];
              foreach ($sourceKeys as $key) {
                  $values[] = $row[$key];
              }
  
              $key = implode(';', $values);
              if (isset($resultMap[$key])) {
                  $row[$nestKey] = $resultMap[$key];
              }
  
              return $row;
          };
      }
code_tokens: protected function _multiKeysInjector ( $ resultMap , $ sourceKeys , $ nestKey ) { return function ( $ row ) use ( $ resultMap , $ sourceKeys , $ nestKey ) { $ values = [ ] ; foreach ( $ sourceKeys as $ key ) { $ values [ ] = $ row [ $ key ] ; } $ key = implode ( ';' , $ values ) ; if ( isset ( $ resultMap [ $ key ] ) ) { $ row [ $ nestKey ] = $ resultMap [ $ key ] ; } return $ row ; } ; }
docstring: Returns a callable to be used for each row in a query result set
  for injecting the eager loaded rows when the matching needs to
  be done with multiple foreign keys
  
  @param array $resultMap A keyed arrays containing the target table
  @param array $sourceKeys An array with aliased keys to match
  @param string $nestKey The key under which results should be nested
  @return \Closure
docstring_tokens: Returns a callable to be used for each row in a query result set for injecting the eager loaded rows when the matching needs to be done with multiple foreign keys