JBuffer/stream seek: Difference between revisions
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Revision as of 13:46, 12 May 2013
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Syntax
stream_seek($offset, $whence)
| Parameter Name | Default Value | Description |
|---|---|---|
| $offset | ||
| $whence |
Defined in
libraries/joomla/utilities/buffer.php
Importing
jimport( 'joomla.utilities.buffer' );
Source Body
function stream_seek($offset, $whence)
{
switch ($whence)
{
case SEEK_SET :
if ($offset < strlen($this->_buffers[$this->name]) && $offset >= 0) {
$this->position = $offset;
return true;
} else {
return false;
}
break;
case SEEK_CUR :
if ($offset >= 0) {
$this->position += $offset;
return true;
} else {
return false;
}
break;
case SEEK_END :
if (strlen($this->_buffers[$this->name]) + $offset >= 0) {
$this->position = strlen($this->_buffers[$this->name]) + $offset;
return true;
} else {
return false;
}
break;
default :
return false;
}
}
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Examples
<CodeExamplesForm />