PHP function pack()
Availability in PHP 4.0
Pack data into binary string
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$format |
string |
not | The format string consists of format codes followed by an optional repeater argument. The repeater argument can be either an integer value or * for repeating to the end of the input data. For a, A, h, H the repeat count specifies how many characters of one data argument are taken, for @ it is the absolute position where to put the next data, for everything else the repeat count specifies how many data arguments are consumed and packed into the resulting binary string. |
$args |
mixed |
null, | |
$_ |
mixed |
null |
Return values
string
A binary string containing data.