<?php?

echo $m1 = memory_get_usage();?

echo "<br />";

$r="123";

echo $m2 = memory_get_usage()-$m1;?

echo "<br />";

?$n=123;

echo $m3 = memory_get_usage()-$m1-$m2;?

echo "<br />";

$bb_g=456.00;

echo $m4 = memory_get_usage()-$m1-$m2-$m3;?

echo "<br />";

?$var_array=array("111");

echo $m5 = memory_get_usage()-$m1-$m2-$m3-$m4;?

?>

顯示結(jié)果為

619120

352
288
288
632

當(dāng)我把$r改成$var_string值不變 內(nèi)存的消耗變成了328 ?這是不是說(shuō)明內(nèi)存的消耗和變量的字?jǐn)?shù)有關(guān)系