Sets the object in which to resolve callback functions xslt_set_log xslt_set_sax_handler XSLT Functions PHP Manual xslt_set_object (PHP 4 >= 4.3.0)xslt_set_object — Sets the object in which to resolve callback functions Description bool xslt_set_object ( resource $processor , object &$obj ) This function allows to use the processor inside an object and to resolve all callback functions in it. The callback functions can be declared with xml_set_sax_handlers(), xslt_set_scheme_handlers() or xslt_set_error_handler() and are assumed to be methods of object . Parameters processor The XSLT processor link identifier, created with xslt_create(). obj An object. Return Values Returns TRUE on success or FALSE on failure. Examples Example #1 Using your own error handler as a method <?phpclass my_xslt_processor { var $_xh; // our XSLT processor function my_xslt_processor() { $this->_xh = xslt_create(); // Make $this object the callback resolver xslt_set_object($this->_xh, $this); // Let's handle the errors xslt_set_error_handler($this->_xh, "my_xslt_error_handler"); } function my_xslt_error_handler($handler, $errno, $level, $info) { // for now, let's just see the arguments var_dump(func_get_args()); }}?> xslt_set_log xslt_set_sax_handler XSLT Functions PHP Manual