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gc_status

(PHP 7 >= 7.3.0, PHP 8)

gc_statusGets information about the garbage collector

Descripción

gc_status(): array

Gets information about the current state of the garbage collector.

Parámetros

Esta función no tiene parámetros.

Valores devueltos

Returns an associative array with the following elements:

  • "runs"
  • "collected"
  • "threshold"
  • "roots"
  • "running"
  • "protected"
  • "full"
  • "buffer_size"
  • "application_time"
  • "collector_time"
  • "destructor_time"
  • "free_time"

Historial de cambios

Versión Descripción
8.3.0 gc_status() now returns the following additional fields: "running", "protected", "full", "buffer_size", "application_time", "collector_time", "destructor_time", and "free_time".

Ejemplos

Ejemplo #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());

El resultado del ejemplo sería algo similar a:

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

Output of the above example in PHP 8.3 is similar to:

array(12) {
  ["running"]=>
  bool(false)
  ["protected"]=>
  bool(false)
  ["full"]=>
  bool(false)
  ["runs"]=>
  int(5)
  ["collected"]=>
  int(100002)
  ["threshold"]=>
  int(50001)
  ["buffer_size"]=>
  int(131072)
  ["roots"]=>
  int(0)
  ["application_time"]=>
  float(0.031182458)
  ["collector_time"]=>
  float(0.020106291)
  ["destructor_time"]=>
  float(0)
  ["free_time"]=>
  float(0.003707167)
}

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