Php/docs/function.gc-status

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gc_status

(PHP 7 >= 7.3.0)

gc_statusGets information about the garbage collector


Description

gc_status ( ) : array

Gets information about the current state of the garbage collector.


Parameters

This function has no parameters.


Return Values

Returns an associative array with the following elements:

  • "runs"
  • "collected"
  • "threshold"
  • "roots"


Examples

Example #1 gc_status() Usage

<?php// create object tree that needs gc collection$a = new stdClass();$a->b = [];for ($i = 0; $i < 100000; $i++) {    $b = new stdClass();    $b->a = $a;    $a->b[] = $b;}unset($a);unset($b);gc_collect_cycles();var_dump(gc_status());

The above example will output something similar to:


array(4) {
  ["runs"]=>
  int(5)
  ["collected"]=>
  int(100002)
  ["threshold"]=>
  int(50001)
  ["roots"]=>
  int(0)
}