gc_status
(PHP 7 >= 7.3.0, PHP 8)
gc_status — Gets information about the garbage collector
Parâmetros
Esta função não possui parâmetros.
Valor Retornado
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"
Registro de Alterações
| Versão | Descrição |
|---|---|
| 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".
|
Exemplos
Exemplo #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());O exemplo acima produzirá algo semelhante a:
array(4) {
["runs"]=>
int(5)
["collected"]=>
int(100002)
["threshold"]=>
int(50001)
["roots"]=>
int(0)
}
A saída do exemplo acima no PHP 8.3 é semelhante a:
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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