Home > Article > Backend Development > Introduction to PHP printing binary form_PHP tutorial
Introduction to PHP printing binary form_PHP tutorial
- WBOYOriginal
- 2016-07-13 17:41:211644browse
Introduction to PHP printing binary form
- $row[permission]=u;// or =chr(117)
- echo "
id = " . str_pad(decbin(ord(ord($row[permission])),8,0,STR_PAD_LEFT); - echo " < ;br /> id = ";
- printf("%08b
",ord($row[permission])); - ?>
- Output:
- id = 01110101
- id = 1110101
printf explanation:
%: % Bit symbol
0: Fill the unfull width with 0
8: 8 bits in total
b: Binary mode
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP custom function: generate new password function_PHP tutorialNext article：PHP custom function: generate new password function_PHP tutorial