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このドキュメントでは、 php中国語ネットマニュアル リリース
(PHP 5)
stream_bucket_prepend — Prepend bucket to brigade
$brigade
, object $bucket
)This function can be called to prepend a bucket to a bucket brigade. It is typically called from php_user_filter::filter() .
brigade
brigade
is a resource pointing to a bucket brigade
which contains one or more bucket objects.
bucket
A bucket object.
没有返回值。
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' );
?>