程嶏清单5-1.txt

来自「< linux网络编程工具>>配套源码」· 文本 代码 · 共 7 行

$lowVar =  8;
$midVar = 10;
$hiVar  = 12;
print($lowVar <=> $midVar, "\n");
print($midVar <=> $midVar, "\n");
print($hiVar  <=> $midVar, "\n");