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Introduction to PHP printing binary form_PHP tutorial

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Release： 2016-07-13 17:41:21
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Introduction to PHP printing binary form

  2. $row[permission]=u;// or =chr(117)
  3.  
  4.  echo "
    id = " . str_pad(decbin(ord(ord($row[permission])),8,0,STR_PAD_LEFT);
  5.  echo " < ;br /> id = ";
  6. printf("%08b
    ",ord($row[permission]));
  7. ?>
  8. Output:
  9. id = 01110101
  10. id = 1110101

printf explanation:
%: % Bit symbol
0: Fill the unfull width with 0
8: 8 bits in total
b: Binary mode

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/486139.htmlTechArticleIntroduction to PHP printing binary form?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...
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