How to make hooks in php

Question

How can I make hooks in php. I am not sure on how wordpress process their hooks. This is a short example that I wanted to do.

I have a script tag on my register.php file and I wanted it to move on the **<head>**

I need an example on how to do this. Thanks in advance.

Have a look at this manual entry : http://www.php.net/manual/en/ref.funchand.php — JohnP, Mar 09 '11 at 12:17
For a vague description of plugin hooks: http://stackoverflow.com/questions/5127424/how-does-plugin-system-work-wordpress-mybb/5127470#5127470 - In this case you want the registered callbacks invoked e.g. in the template to output extra content after the ``. — mario, Mar 09 '11 at 12:20

score 3 · Accepted Answer · answered Mar 09 '11 at 12:34

3

It's a small and powerful hook library with full documentation

answered Mar 09 '11 at 12:34

score 1 · Answer 2 · answered Aug 01 '11 at 14:54

1

I think you should take a look at one design pattern called observer pattern.

answered Aug 01 '11 at 14:54

XuDing

2 Answers2