PHP学习笔记3-逻辑运算符

mac2022-06-30  81

逻辑运算符图解:

 

逻辑且&&:

1 <?php 2 /** 3 * Created by PhpStorm. 4 * User: Administrator 5 * Date: 2015/6/26 6 * Time: 18:55 7 */ 8 function traceNum(){ 9 for($i=0;$i<=100;$i++){ 10 if($i%2==0 && $i%3==0){ //%:求余;输出能同时被2和3整除的数; 11 echo $i."<br/>"; 12 } 13 } 14 } 15 traceNum();

逻辑或||:

1 <?php 2 /** 3 * Created by PhpStorm. 4 * User: Administrator 5 * Date: 2015/6/26 6 * Time: 18:55 7 */ 8 function traceNum2(){ 9 for($j=0;$j<=100;$j++){ 10 if($j%2==0 || $j%3==0){//输出能被2整除或被3整除的数; 11 echo $j."<br/>"; 12 } 13 } 14 } 15 traceNum2();

逻辑非!:

1 <?php 2 /** 3 * Created by PhpStorm. 4 * User: Administrator 5 * Date: 2015/6/26 6 * Time: 18:55 7 */ 8 function traceNum3(){ 9 for($m=0;$m<=100;$m++){ 10 if($m%2!=0){//输出奇数; 11 echo $m."<br/>"; 12 } 13 } 14 } 15 traceNum3();

 

转载于:https://www.cnblogs.com/Vito-L/p/4603996.html

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