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php Programming Glossary: bitwise“Distance” between colours in PHP http://stackoverflow.com/questions/1633828/distance-between-colours-in-php colorDiff rgb1 rgb2 do the math on each tuple could use bitwise operates more efeceintly but just do strings for now. red1 hexdec..
PHP function to generate v4 UUID http://stackoverflow.com/questions/2040240/php-function-to-generate-v4-uuid able to come. My knowledge in hex decimal binary PHP's bitwise operators and the like is nearly non existant. This function..
http://stackoverflow.com/questions/2131758/bitwise-operations-in-php operations in PHP I understand that bitwise operations are.. operations in PHP I understand that bitwise operations are necessary for much low level programming such.. decoding. I am doing PHP for several years now I have seen bitwise operations very rarely in PHP projects. Can you give me examples..
What is the difference between the | and || operators? http://stackoverflow.com/questions/2233835/what-is-the-difference-between-the-and-operators
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php in foreach ex as k v mean ^ Bitwise Operators How does the bitwise operator XOR '^' work What does ^ mean in PHP Bitwise Operators..
http://stackoverflow.com/questions/5319475/bitmask-in-php-for-settings echo key . i .strval i . power . strval pow 2 i . bitwise . strval bitMask pow 2 i . br i return this permissions This.. After that you should check out the manual entries on bitwise operators and make sure you know how a bitwise AND OR and left.. entries on bitwise operators and make sure you know how a bitwise AND OR and left right shift works. A bit field is nothing more..
matching an IP to a CIDR mask in php5? http://stackoverflow.com/questions/594112/matching-an-ip-to-a-cidr-mask-in-php5 into long integers convert the xx into a subnet mask do a bitwise 'and' i.e. ip mask ' and check that that 'result subnet' something..
Understanding PHP's & operator http://stackoverflow.com/questions/600202/understanding-phps-operator what actually does. Anyone care to explain php operators bitwise share improve this question is binary and . If you have.. and with another binary value then the result will be the bitwise and of the two. An example 01101010 01011001 01001000 The rightmost.. number is a 1 or a 0. As others have mentioned look at the bitwise operators for info on how they work. share improve this answer..
Implementing permissions based on reputation http://stackoverflow.com/questions/6005240/implementing-permissions-based-on-reputation set of permissions be represented by one integer by using bitwise operators. for instance if you had the constants PERMISSION_CHANGE_PERMISSIONS.. 4 you could combine these values into one integer using a bitwise operator PERMISSION_CHANGE_PERMISSIONS PERMISSION_MAKE_CHANGES.. then to check if they have a specific permission use the bitwise operator users_combined_permissions PERMISSION_MAKE_CHANGES..
MD5 implementation in PHP - where am I going wrong? http://stackoverflow.com/questions/1697882/md5-implementation-in-php-where-am-i-going-wrong bin . implode '' array_reverse str_split bLen 8 In F G H I Bitwise operators can't be used on binary strings X hexbin X Y hexbin..
http://stackoverflow.com/questions/224799/bitwise-flags-abandoned Flags abandoned I've noticed that plenty of opensource project..
difference between & and && in PHP http://stackoverflow.com/questions/2376348/difference-between-and-in-php php share improve this question is bitwise AND. See Bitwise Operators . Assuming you do 14 7 14 1110 7 0111 14 7 0110 6..
What do the '&=' and '=&' operators do? [PHP] http://stackoverflow.com/questions/3177342/what-do-the-and-operators-do-php a 1 a 1 is the same as a a 1 echo a 1 From Wikipedia on Bitwise AND A bitwise AND takes two binary representations of equal..
What is the difference between the | and || or operators? http://stackoverflow.com/questions/35301/what-is-the-difference-between-the-and-or-operators
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php below you might find it in the List of Parser Tokens . Bitwise Operators or References What does it mean to start a PHP function.. PHP function What does in 2 mean in PHP When should I use Bitwise operator References Reference assignment operator in php what.. do the ' ' and ' ' operators do PHP What does mean in PHP Bitwise Operators what do operators in php mean What do the ' ' and..
When should I use Bitwise operator? http://stackoverflow.com/questions/4705838/when-should-i-use-bitwise-operator should I use Bitwise operator OK I read following pages and I understand the differences.. following pages and I understand the differences between Bitwise and Logical. difference between & and && in PHP Reference What.. in PHP However none of them explains when I should use Bitwise or Logical. Could anyone explain when I should use Bitwise operators..
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