(PHP 4 >= 4.3.2, PHP 5, PHP 7)
memory_get_usage — 锟斤拷锟截凤拷锟斤拷锟� PHP 锟斤拷锟节达拷锟斤拷
$real_usage = false
] ) : int锟斤拷锟截碉拷前锟斤拷锟斤拷锟斤拷锟斤拷 PHP 锟脚憋拷锟斤拷锟节达拷锟斤拷锟斤拷锟斤拷位锟斤拷锟街节ｏ拷byte锟斤拷锟斤拷
real_usage
锟斤拷锟斤拷锟斤拷锟轿� TRUE锟斤拷锟斤拷取系统锟斤拷锟斤拷锟杰碉拷锟节达拷叽纾拷锟斤拷锟轿词癸拷玫锟揭筹拷锟斤拷锟斤拷未锟斤拷锟矫伙拷锟斤拷锟斤拷锟斤拷为 FALSE锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷使锟矫碉拷锟节达拷锟斤拷锟斤拷
Note:
PHP 锟斤拷锟斤拷锟劫凤拷emalloc() 锟斤拷锟斤拷锟斤拷诖锟�
锟斤拷锟斤拷锟节达拷锟斤拷锟街斤拷锟斤拷锟斤拷
| 锟芥本 | 说锟斤拷 |
|---|---|
| 5.2.1 | 锟斤拷锟斤拷要锟节憋拷锟斤拷时使锟斤拷 --enable-memory-limit 选锟斤拷锟斤拷芄锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 |
| 5.2.0 |
锟斤拷锟斤拷锟剿诧拷锟斤拷 real_usage锟斤拷
|
Example #1 一锟斤拷 memory_get_usage() 锟斤拷锟斤拷
<?php
//锟斤拷只锟角革拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟斤拷锟斤拷系统
echo memory_get_usage() . "\n"; // 36640
$a = str_repeat("Hello", 4242);
echo memory_get_usage() . "\n"; // 57960
unset($a);
echo memory_get_usage() . "\n"; // 36744
?>