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MongoDB\MapReduceResult::getExecutionTimeMS()

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MongoDB\\MapReduceResult::getExecutionTimeMS()

Returns the execution time in milliseconds of the map-reduce operation.

function getExecutionTimeMS(): integer

An integer denoting the execution time in milliseconds for the map-reduce operation.

This example reports the execution time for a map-reduce operation.

<?php
$collection = (new MongoDB\Client)->test->zips;
$map = new MongoDB\BSON\Javascript('function() { emit(this.state, this.pop); }');
$reduce = new MongoDB\BSON\Javascript('function(key, values) { return Array.sum(values) }');
$out = ['inline' => 1];
$result = $collection->mapReduce($map, $reduce, $out);
var_dump($result->getExecutionTimeMS());

The output would then resemble:

int(244)
  • MongoDB\\Collection::mapReduce()

  • mapReduce command reference in the MongoDB manual

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