While WordPress already offers its users a lot of customization options that allow them to fine-tune their sites and enhance user experience, there are still some other things that its user base wishes its built-in features is capable of. That’s where hacks or coding tricks come into play such as the ones that we’re going to show you in today’s post.

Below are a few of my favorite simple, yet clever, WordPress tricks that you can perform not quite easily but also quickly in a matter of seconds on your own site. All it takes of course is simply adding a few lines of codes into your functions.php file.

Human-readable Time Display – Performing this trick will change the way WordPress displays the time-and-date stamp on your posts and instead will show it in human-readable format, like “5 minutes ago” or “one month ago”. This is done by using the human_timed_diff() function.

$diff = human_time_diff( '2012-05-05 12:05:00', '2012-05-05 12:10:00' );
echo 'This comment was submitted ' . $diff . 'ago';
// Output: This comment was submitted 5 minutes ago     

List all hooked WordPress functions – Listing all hooked WordPress functions can be very useful in case something goes wrong if/when you’re using WordPress hooks to “surcharge” any existing WP function with that of your own code.

function list_hooked_functions($tag=false){
 global $wp_filter;
 if ($tag) {
 $hook[$tag]=$wp_filter[$tag];
 if (!is_array($hook[$tag])) {
 trigger_error("Nothing found for '$tag' hook", E_USER_WARNING);
 return;
 }
 }
 else {
 $hook=$wp_filter;
 ksort($hook);
 }
 echo '<pre>';
 foreach($hook as $tag => $priority){
 echo "<br />>>>>>\t<strong>$tag</strong><br />";
 ksort($priority);
 foreach($priority as $priority => $function){
 echo $priority;
 foreach($function as $name => $properties) {
 echo "\t$name<br />";
 }
 }
 }
 echo '</pre>';
 return;
}     

Used without an argument, you’ll get a list of all hooked functions. This’ll be a bit long, so you can specify a hook to narrow the list. This can be useful when debugging or fiddling with hook priorities.

Enable shortcodes in text widgets – This trick makes text widgets much better, particularly for theme developers, in that it makes your product more flexible for the user.

add_filter( 'widget_text', 'do_shortcode' );     

Don’t break WordPress loops – While using multiple loops can be great, it can also cause major problems if not used correctly/properly. To help ensure that your loop runs smoothly and you can still use all of the functions that rely on globals, store the original query in a temporary variable.

$tmp_query = $wp_query;
query_posts('cat=5&order=ASC');
while( have_posts() ) : the_post() 
?>
 <a href="<?php the_permalink() ?>'><?php the_title() ?></a><br />
<?php
$wp_query = $tmp_query;     

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