PHP/File Directory/Stream Filter
stream_filter_append
<source lang="html4strict">
<?php $blog = <<< blog Do you write blog? blog;
$fh = fopen("filter.html", "w"); stream_filter_append($fh, "string.strip_tags", STREAM_FILTER_WRITE, "
"); fwrite($fh, $blog); fclose($fh);
?>
</source>
stream_get_filters
<source lang="html4strict">
<?php
print_r(stream_get_filters());
?>
</source>