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Tips & Tricks

Pulling custom fields from outside the loop

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In the last post “Creating a custom widget” I showed you how to create a custom widget. Well in this post I will show you how I used my custom widget to display all post with a certain custom field from outside the WordPress loop.

In the last post I used this tag:

<?php include(TEMPLATEPATH . '/includes/showcase.php'); ?>

Now I will show you what the file showcase.php has:

<ul>
<?php
global $wpdb;

$sql = "SELECT wposts.*
	FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta
	WHERE wposts.ID = wpostmeta.post_id
	AND wpostmeta.meta_key = 'gallery-url'
	AND wposts.post_status = 'publish'
	AND wposts.post_type = 'post'
	ORDER BY wposts.post_date DESC LIMIT 8";

$pageposts = $wpdb->get_results($sql, OBJECT);
$output = $pre_HTML;

foreach ($pageposts as $post) : setup_postdata($post);  ?>

<li><a href="<?php echo get_post_meta($post->ID, "gallery-url", $single = true); ?>" title="Link to <?php the_title(); ?>">
<img src="<?php echo get_post_meta($post->ID, "image", $single = true); ?>" alt="<?php the_title(); ?>" /></a></li>

<?php endforeach; ?>

</ul>

That’s it! The most important item you may want to change for your own custom field is the line : AND wpostmeta.meta_key = 'gallery-url'. Where you would change the text in bold to match your own custom field value.

Update:

Check out Austin from PressedWords comment below.

With his great advise I was able to figure out why all my attempts to use the query_post weren’t working. it came down to this line of code: <?php echo get_post_meta($post->ID, "gallery-url", $single = true); ?>, that was what I had in my code, and the $post->ID is the reason my code would not echo or print the custom field’s value. Solution? replace $post->ID with get_the_ID(). HA, so simple.

Tips & Tricks

How to: Add a contact me via Skype™ button

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This little trick is really simple and easy. All you need to do is plug this line of code anywhere you would like to use the text.

<a onclick="return skypeCheck();" href="skype:austin.passy?call">Call me on Skype!</a>

That’s is, pretty simple huh? Just make sure you change skype:austin.passy to your user name!

Want a test? Well, please use the text button, as I was getting to many call’s and hangups: Call me on Skype! Message me on Skype!

Thanks to Shayne for this code!

Update:

I was reminded by Shayne that you will have to add this script into your header.php file:

<script type="text/javascript" src="http://download.skype.com/share/skypebuttons/js/skypeCheck.js">
</script>

That way if the user doesn’t have Skype, they will be prompted to download it if they would like :).

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Tips & Tricks

How to: show/hide a widget in WordPress with jQuery

In a previous post I talked about how to show/hide a single div html code with a search inside. Today I’d like to show you how I implemented jQuery into my new theme.

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As seen in the current theme, I am using jQuery to animate the show/hide or as known as the css style display: none;.

Since I am using a custom child theme on my site, and have Hybrid theme as my parent, the widgets or sidebar section is different than may be in your theme. But just apply the the style’s as follows to your theme.

First make sure that your WordPress site is calling jQuery, by plugging in this code into your header.php file above the <?php wp_head(); ?> text:

<?php wp_enqueue_script('jquery'); ?>

Then anywhere above the </head >, plug this code in:

<script type="text/javascript">
function toggleWidgets() {
	$('#primary h3.widget-title').addClass('plus');

	$('#primary h3.widget-title').click(function() {
		$(this).toggleClass('plus').toggleClass('minus').next().toggle(180);
	});

}
$(document).ready(function() {
	toggleWidgets();
}
</script>

That’s it. Pretty simple huh.

So lets go over what the code does.

$('#primary h3.widget-title').addClass('plus');

This line finds all <h3> tags with the class widget-title inside the ID parameter of #primary and adds a class of plus.

Then

$('#primary h3.widget-title').click(function() {
		$(this).toggleClass('plus').toggleClass('minus').next().toggle(180);
	});

Will apply a click function. When the H3 tag is clicked it will remove the class plus and add the class minus.

Then the code that says .next will then toggle the “next” element after the <h3> title.

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Tips & Tricks

WordPress Security Hacks

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By

Hi guys this is my first post on wpcult the great site Austin built.  Hope you guys find it usefull.

If you run a blog using the wordpress software then your blog is a target to hackers.  Below I will list some hacks and just how they can help you keep your business/site safe.

The following is  code to Block Bad Queries and protect your blog from malicious URL Requests.

Place the following code into a text file and name it what ever you like for example blockbadqueries.php upload it to your plugin folder and activate it in your wordpress admin just as you would any other Plugin

<?php
/*
Plugin Name: Block Bad Queries
Plugin URI:
http://perishablepress.com/press/2009/12/22/protect-wordpress-against-malicious-url-requests/
Description: Protect WordPress Against Malicious URL Requests
Author URI:
http://perishablepress.com/
Author: Perishable Press
Version: 1.0
*/
global $user_ID; if($user_ID) {
  if(!current_user_can(‘level_10’)) {
    if (strlen($_SERVER[‘REQUEST_URI’]) > 255 ||
      strpos($_SERVER[‘REQUEST_URI’], “eval(“) ||
      strpos($_SERVER[‘REQUEST_URI’], “CONCAT”) ||
      strpos($_SERVER[‘REQUEST_URI’], “UNION+SELECT”) ||
      strpos($_SERVER[‘REQUEST_URI’], “base64”)) {
        @header(“HTTP/1.1 414 Request-URI Too Long”);
 @header(“Status: 414 Request-URI Too Long”);
 @header(“Connection: Close”);
 @exit;
    }
  }
}
?>

 This Great plugin was made by Jeff Starr of Digging into WordPress

 

 

Protecting your blog with .htaccess 

.htaccess files have lots of possibilities. below is some code that will help protect your wordpress from modification of _REQUEST and/or GLOBALS and scripts injection.

 This is real simple just paste the following code into your .htaccess file. Always make a backup of your .htaccess before editing, better to be safe.

Options +FollowSymLinks
RewriteEngine On
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
RewriteRule ^(.*)$ index.php [F,L]

 

Thanks to Oussama for this great hack

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