Description: Enables mod_php to manually add apache output filters

 Author: Paul Querna

 URL: http://www.outoforder.cc/projects/apache/mod_transform/patches/php5-apache2-filters.patch

      http://www.outoforder.cc/presentations/apachecon2004/mod_transform/tu19_mod_transform_slides.pdf

--- sapi/apache2handler/php_functions.c	2005-08-03 16:08:48.000000000 +0200

+++ sapi/apache2handler/php_functions.c.oden	2005-12-26 10:18:18.000000000 +0100

@@ -213,6 +213,65 @@

 }

 /* }}} */

+/* {{{ proto array apache_get_output_filters()

+   Get All Active Output filters */

+PHP_FUNCTION(apache_get_output_filters)

+{

+       ap_filter_t* ff;

+       php_struct *ctx;

+

+       if (ZEND_NUM_ARGS() != 0) {

+               WRONG_PARAM_COUNT;

+       }

+

+       if(array_init(return_value) != SUCCESS)

+       {

+               RETURN_NULL();

+       }

+

+       ctx = SG(server_context);

+

+       ff = ctx->r->output_filters;

+

+       do {

+               add_next_index_string(return_value, ff->frec->name, 1);

+               ff = ff->next ;

+       } while (ff);

+

+}

+/* }}} */

+

+/* {{{ proto bool apache_add_output_filter(string filter_name)

+   Add an output filter to this request */

+PHP_FUNCTION(apache_add_output_filter)

+{

+       php_struct *ctx;

+       int arg_count = ZEND_NUM_ARGS();

+       zval **filter_name;

+       ap_filter_rec_t* ap_filter;

+

+       if (arg_count != 1 ||

+               zend_get_parameters_ex(arg_count, &filter_name) == FAILURE) {

+               WRONG_PARAM_COUNT;

+       }

+

+       ctx = SG(server_context);

+

+       convert_to_string_ex(filter_name);

+

+        ap_filter = ap_get_output_filter_handle(Z_STRVAL_PP(filter_name));

+

+        /* requested output filter was not found */

+       if(ap_filter == NULL) {

+               RETURN_FALSE;

+       }

+       else {

+               ap_add_output_filter_handle(ap_filter, NULL, ctx->r, ctx->r->connection);

+               RETURN_TRUE;

+       }

+}

+/* }}} */

+

 /* {{{ proto string apache_note(string note_name [, string note_value])

    Get and set Apache request notes */

 PHP_FUNCTION(apache_note)

@@ -465,6 +524,8 @@

 static function_entry apache_functions[] = {

 	PHP_FE(apache_lookup_uri, NULL)

 	PHP_FE(virtual, NULL) 

+	PHP_FE(apache_get_output_filters, NULL)

+	PHP_FE(apache_add_output_filter, NULL)

 	PHP_FE(apache_request_headers, NULL)

 	PHP_FE(apache_response_headers, NULL)

 	PHP_FE(apache_setenv, NULL)