php进阶(二)—php写时复制
摘要:在php的内存管理中有一个很重要的概念就是写时复制(Copy on write),话不多说直接来代码 <?php $a = []; $index = 0; while(true){ $a [] = rand(1, 100); if(++$index == 1000000){ break; } } $
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