stream_bucket_prepend
(PHP 5, PHP 7, PHP 8)
stream_bucket_prepend — Prepend bucket to brigade
Description
stream_bucket_prepend(resource
$brigade, object $bucket): voidThis function can be called to prepend a bucket to a bucket brigade. It is typically called from php_user_filter::filter().
Parameters
-
brigade -
brigadeis a resource pointing to abucket brigadewhich contains one or morebucketobjects. -
bucket -
A bucket object.
Return Values
No value is returned.
Examples
Example #1 stream_bucket_prepend() examples
<?php
class foo extends php_user_filter {
protected $calls = 0;
public function filter($in, $out, &$consumed, $closing) {
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
if ($this->calls++ == 2) {
// This bucket will appear again before any other bucket.
stream_bucket_prepend($in, $bucket);
}
}
return PSFS_FEED_ME;
}
}
stream_filter_register('test', 'foo');
print file_get_contents('php://filter/read=test/resource=foo');
?>
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