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Simple example of displaying and releasing memory in php

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Jul 25, 2016 am 08:57 AM

Introducing an example of displaying and releasing memory in PHP. It is very simple. It mainly focuses on the usage of the memory_get_usage() function.

Code:

<?php
//显示与释放内存
//以下数字取决于linux系统类型与版本
 
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
?>

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