# Setting Binary Value in PHP?

**URL:** <https://forum.kirupa.com/t/setting-binary-value-in-php/283047>\
**Category:** programming\
**Created:** [March 2, 2009, 3:08am UTC](https://forum.kirupa.com/t/setting-binary-value-in-php/283047 "2009-03-02T03:08:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Yeldarb](https://avatars.discourse-cdn.com/v4/letter/y/51bf81/32.png) [@Yeldarb](https://forum.kirupa.com/u/Yeldarb)\
**Post date:** [March 2, 2009, 3:08am UTC](https://forum.kirupa.com/t/setting-binary-value-in-php/283047/1 "2009-03-02T03:08:06Z")

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Is there a way to set a binary value in PHP similar to the way you can set a variable in Hex or Octal?

Binary: $var = ???  
Octal: $var = 0777777777777  
Decimal: $var = -1  
Hex: $var = 0xFFFFFF

I was thinking 0b11111111111111111111111111111111 but that didn’t work.