这节内容实在不懂,有人能指点一下吗?
这节内容实在不懂,有人能指点一下吗?我自己写的代码如下,第13行录入的总是错,就没写
<?php
echo $m1 = memory_get_usage();
echo "<br />";
$var_string = "123";
echo $m2 = memory_get_usage()-$m1;
echo "<br />";
$n="123";
echo $m3 = memory_get_usage()-$m1-$m2;
echo "<br />";
$f="123.00";
echo $m4 = memory_get_usage()-$m1-$m2-$m3;
echo "<br />";
echo $m5 = memory_get_usage()-$m1-$m2-$m3-$m4;
?>