Tutorials & articles written by Derick Rethans

The Tree component and Yahoo! User Interface integration

With the 2007.2 release of eZ Components comes a new component: Tree. This component enables you to create, manipulate and query tree structures in many ways. In addition to its basic functionality, the component also enables you to render the tree structure in different ways, with different visualizers. In this article, we will render output from an XML tree definition in order to create a nice menu using the Yahoo! User Interface library.

Read the full article on the dedicated eZ Components site

An Introduction to eZ Components

This article provides a glimpse into the usage of the eZ Components for PHP 5. They are object oriented and reusable building blocks which will speed up development and deployment of enterprise applications based on PHP 5.

Reference Issues

PHP 4.3 has some problems with returning by reference, where memory corruptions might occur. PHP 4.4 fixes those problems, and raises notices whenever you do something wrong. This article attempts to point out some of the problems that you might encounter.

Multiple Apache Installations HOWTO

In this short article I will explain how to set-up two versions of Apache/PHP on one system.

eZ debug

Timing:	Jan 18 2025 15:06:31
Script start
Timing:	Jan 18 2025 15:06:31
Module start 'layout'
Timing:	Jan 18 2025 15:06:31
Module start 'community'
Timing:	Jan 18 2025 15:06:31
Module end 'community'
Timing:	Jan 18 2025 15:06:31
Script end

Main resources:

Total runtime	0.1170 sec
Peak memory usage	4,096.0000 KB
Database Queries	61

Timing points:

Checkpoint	Start (sec)	Duration (sec)	Memory at start (KB)	Memory used (KB)
Script start	0.0000	0.0052	588.9063	152.6094
Module start 'layout'	0.0052	0.0022	741.5156	31.6563
Module start 'community'	0.0074	0.1085	773.1719	490.7891
Module end 'community'	0.1159	0.0011	1,263.9609	14.6406
Script end	0.1170		1,278.6016

Time accumulators:

Accumulator	Duration (sec)	Duration (%)	Count	Average (sec)
Ini load
Load cache	0.0025	2.1751	14	0.0002
Check MTime	0.0010	0.8941	14	0.0001
Mysql Total
Database connection	0.0007	0.5958	1	0.0007
Mysqli_queries	0.0820	70.0992	61	0.0013
Looping result	0.0008	0.7099	58	0.0000
Template Total	0.1009	86.2	2	0.0505
Template load	0.0010	0.8642	2	0.0005
Template processing	0.0999	85.3715	2	0.0499
Template load and register function	0.0001	0.0966	1	0.0001
Override
Cache load	0.0008	0.6413	13	0.0001
states
state_id_array	0.0020	1.7160	4	0.0005
state_identifier_array	0.0021	1.7854	4	0.0005
Sytem overhead
Fetch class attribute name	0.0008	0.6865	4	0.0002
class_abstraction
Instantiating content class attribute	0.0000	0.0067	4	0.0000
General
dbfile	0.0001	0.1119	7	0.0000
String conversion	0.0000	0.0075	3	0.0000
Note: percentages do not add up to 100% because some accumulators overlap

Templates used to render the page:

Usage	Requested template	Template	Template loaded
1	community/articles.tpl	<No override>	extension/community_design/design/suncana/templates/community/articles.tpl
4	content/datatype/view/ezxmltext.tpl	<No override>	extension/community_design/design/suncana/templates/content/datatype/view/ezxmltext.tpl
2	content/datatype/view/ezxmltags/link.tpl	<No override>	design/standard/templates/content/datatype/view/ezxmltags/link.tpl
5	content/datatype/view/ezxmltags/paragraph.tpl	<No override>	extension/ezwebin/design/ezwebin/templates/content/datatype/view/ezxmltags/paragraph.tpl
1	print_pagelayout.tpl	<No override>	extension/community/design/community/templates/print_pagelayout.tpl
Number of times templates used: 13 Number of unique templates used: 5

Time used to render debug report: 0.0001 secs