Core Function BinaryPop
From Sputnik Wiki
(Difference between revisions)
m (1 revision) |
|||
| (2 intermediate revisions by one user not shown) | |||
| Line 26: | Line 26: | ||
<syntaxhighlight lang="sputnik"> | <syntaxhighlight lang="sputnik"> | ||
| − | $binary = Pack(" | + | $binary = Pack("A*", "1234"); |
| − | println( "'" . Unpack(" | + | println( "'" . Unpack("A*", $binary, 3) . "'" ); // Prints: 1234 |
BinaryPop($binary); | BinaryPop($binary); | ||
| − | println( "'" . Unpack(" | + | println( "'" . Unpack("A*", $binary, 3) . "'" ); // Prints: 123 |
</syntaxhighlight> | </syntaxhighlight> | ||
[[Category:Core Function]] | [[Category:Core Function]] | ||
Latest revision as of 12:38, 14 June 2015
BinaryPop( <binary-array> )
Contents |
Description
Delete the last byte from a binary variable.
Parameters
binary-array
The binary variable to use.
Return Value
Success: Returns 1.
Failure: Returns 0.
Remarks
Binary data is not really meant to be resized like crazy, so if you have a LOT of data, it is best to avoid using this too often.
Example
$binary = Pack("A*", "1234"); println( "'" . Unpack("A*", $binary, 3) . "'" ); // Prints: 1234 BinaryPop($binary); println( "'" . Unpack("A*", $binary, 3) . "'" ); // Prints: 123
