[wp-testers] add_action anonymous function

Marko Heijnen mailing at markoheijnen.nl
Tue Dec 18 18:22:25 UTC 2012


The example to adding a meta tag to wp_head.

It seems like you want to 'fire' the action inside your loop. That can't be done. You need to do all your add_action/add_filter inside functions.php and not in a theme file.


Op 18 dec. 2012, om 19:19 heeft "Philip M. Hofer \(Frumph\)" <philip at frumph.net> het volgende geschreven:

> .. what example? .. the one I wrote earlier that was in the codex ? (before you removed it)
> 
> 
> 
> 
> -----Original Message----- From: Marko Heijnen
> Sent: Tuesday, December 18, 2012 10:16 AM
> To: wp-testers at lists.automattic.com
> Subject: Re: [wp-testers] add_action anonymous function
> 
> It really depends on your implementation. and your example seems wrong. You need on add_action( 'wp_head', 'some_function' );
> Inside that function is your code.
> 
> Marko
> 
> 
> Op 18 dec. 2012, om 19:14 heeft "Philip M. Hofer \(Frumph\)" <philip at frumph.net> het volgende geschreven:
> 
>> Is there a way to fire add_action on a function that happens multiple times ?
>> 
>> usage, for example is adding a meta tag to wp_head each and every post that is displayed
>> 
>> 
>> -----Original Message----- From: Marko Heijnen
>> Sent: Tuesday, December 18, 2012 10:07 AM
>> To: wp-testers at lists.automattic.com
>> Subject: Re: [wp-testers] add_action anonymous function
>> 
>> The use of an anonymous function is bad code practice and I removed that part of the codex. Another reason it required PHP 5.3
>> 
>> The reason it fails it probably due an old PHP version.
>> 
>> Marko
>> 
>> 
>> Op 18 dec. 2012, om 18:59 heeft Léonard Wüst <leowuest at gmail.com> het volgende geschreven:
>> 
>>> bitte meine adresse löschen danke
>>> 
>>> 2012/12/18 Philip M. Hofer (Frumph) <philip at frumph.net>
>>> 
>>>> Taken from the add_action codex http://codex.wordpress.org/**
>>>> Function_Reference/add_action#**Simple_Hook<http://codex.wordpress.org/Function_Reference/add_action#Simple_Hook>
>>>> 
>>>> add_action('wp_head', function() { echo 'something';})
>>>> 
>>>> is supposed to work, it just makes my site die
>>>> 
>>>> 
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>>> 
>>> 
>>> 
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