PHP 打印二进制形式介绍
- $row[permission]=u;// or =chr(117)
-
- echo "
id = " . str_pad(decbin(ord($row[permission])),8,0,STR_PAD_LEFT);
- echo "
id = ";
- printf("%08b
",ord($row[permission]));
- ?>
- 输出：
- id = 01110101
- id = 1110101
-
printf解释：
% ：占位符
0：用0填充未满的宽度
8 ：共要8位
b ：二进制模式
http://www.bkjia.com/PHPjc/486139.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/486139.htmlTechArticlePHP 打印二进制形式介绍 ?php $row[permission]=u;// or =chr(117) echo " br / id = " . str_pad(decbin(ord($row[permission])),8,0,STR_PAD_LEFT); echo " br / id = "; printf("%08...
