gc_status()
(PHP 7 >= 7.3.0)
Gets information about the garbage collector
说明
gc_status(void): array
Gets information about the current state of the garbage collector.
参数
此函数没有参数。
返回值
Returns an associative array with the following elements:
- "runs"
- "collected"
- "threshold"
- "roots"
范例
Example #1gc_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());
以上例程的输出类似于:
array(4) { ["runs"]=> int(5) ["collected"]=> int(100002) ["threshold"]=> int(50001) ["roots"]=> int(0) }
参见
- Garbage Collection