在程序运算中，数值都是转换成机器码（二进制）再进行加的，而与或非就是建立这这种基础上，以二进制进行运、本文来源gao($daima.com搞@代@#码$网搞gaodaima代码算。
与 $
1$0=0
或 |
1|0=1
非 ~
~1=0
<code><span><?php</span><span>//四个变量分别代表四盏灯的开关</span><span>$l_one</span> = <span>1</span>;<span>$l_two</span> = <span>2</span>;<span>$l_three</span> = <span>4</span>;<span>$l_four</span> = <span>8</span>;<span>//$sta代表四盏灯的状态</span><span>$sta</span> = <span>3</span>;<span>//输出灯开的号码</span>light_sta(<span>$sta</span>);<span>//若要开启第四盏灯</span><span>echo</span><span>'开启第四盏灯:'</span>;<span>$sta_n</span> = <span>$sta</span>|<span>$l_four</span>;light_sta(<span>$sta_n</span>);<span>//若要关闭第一盏灯</span><span>echo</span><span>'关闭第一盏灯:'</span>;<span>$sta_o</span> = <span>$sta</span>&~<span>$l_one</span>;light_sta(<span>$sta_o</span>);<span>//输出灯开的号码</span><span><span>function</span><span>light_sta</span><span>(<span>$sta</span>)</span>{</span><span>//四个变量分别代表四盏灯的开关</span><span>$l_one</span> = <span>1</span>; <span>$l_two</span> = <span>2</span>; <span>$l_three</span> = <span>4</span>; <span>$l_four</span> = <span>8</span>; <span>echo</span><span>'light on: '</span>; <span>if</span>(<span>$sta</span>&<span>$l_one</span>){ <span>echo</span><span>'1 '</span>; }<span>if</span>(<span>$sta</span>&<span>$l_two</span>){ <span>echo</span><span>'2 '</span>; }<span>if</span>(<span>$sta</span>&<span>$l_three</span>){ <span>echo</span><span>'3 '</span>; }<span>if</span>(<span>$sta</span>&<span>$l_four</span>){ <span>echo</span><span>'4'</span>; } <span>echo</span><span>'</br>'</span>;}</code>
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‘).text(i)); }; $numbering.fadeIn(1700); }); }); </script>以上就介绍了PHP之与或非，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。
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转载请注明原文链接：PHP之与或非
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