This 10 Useful WordPress functions will certainly reduce your WordPress development time.I found this functions when i do some research for my projects. So i think i better share this with you.
1.Custom Excerpt Length
By default, excerpt length is set to 55 words. To change excerpt length using excerpt_length filter, add the following code to functions.php file in your theme:
[php]
function custom_excerpt_length( $length ) {
return 20;
}
add_filter( ‘excerpt_length’, ‘custom_excerpt_length’, 999 );
[/php]
Find more
here.
2. Human Time
[php]
echo human_time_diff( get_the_time(‘U’), current_time(‘timestamp’) ) . ‘ ago’;
// display "2 days ago"
[/php]
Find more
here.
3. Validate String
[php]wp_kses($string, $allowed_html, $allowed_protocols);[/php]
This only allow HTML element names, attribute names and attribute values to the inputted string.
Find more
here .
4. Use wp mail function to send email
[php] wp_mail( $to, $subject, $message, $headers, $attachments ); [/php]
The benefit of using this function to send email is its super simple.
Find more
here.
5. Wp schedule event
[php]
wp_schedule_event($timestamp, $recurrence, $hook, $args);
[/php]
Using this function you can do cron job after specific time interval.
Find more
here.
6. Wp redirect function
[php]
wp_redirect( $location, $status );
exit;
[/php]
Using this you can redirect a use to a specific link for a specific event.Lets say if your not logged in then you want to redirect user to login page.
Find more
here.
7. Is email function
[php]
is_email( $email );
[/php]
using this function you can verifies that an email is valid or not.
Find more
here.
8. Absint function
[php]
absint( $maybeint );
[/php]
This function will converts a value to a non-negative integer.Very useful for integer verification.
Find more
here.
9. Wp remote get function
[php]
wp_remote_get( $url, $args );
[/php]
Use this function if you want to retrieve the content of a Webpage.You will get the content in a array.Usin this function you can get feed data also.
Find more
here.
10. Wp remote get function
[php]
$feed = fetch_feed( $uri );
[/php]
This function will retrieves an external feed and parses it. Uses the
SimplePie and FeedCache functionality for retrieval and parsing and automatic caching.
Find more
here.
