WordPress Theme Development

WordPress theme design tutorials, tips and guides about creating awesome WordPress themes and optimizing WordPress themes for SEO by Mehdi Nazari

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How to Extend WordPress Posts Query and Join New Tables

Learn Extending Posts Query in WP, Join Custom Tables and add new fields to Post Items In this advanced WordPress Development tutorial.
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How to Get Post Date with Custom Format in WordPress! (+Shortcode)

Do you need to get the publish date for the active post? or just get the publish date by specifying a post ID? in this WordPress tutorial, we used a particular WP function to retrieve the publish date of any post with various formats. We used PHP codes to get the post date of a […]
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How to Check if the Current Page is a Single Post in WordPress

WP developers use the is_single function to detect regular WordPress posts on the current user’s browser. For example, to check if the current page is an article (WordPress post), look for the is_single function to return a true value in a PHP condition. This function also can do more! Read this comprehensive article to learn […]
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How to Check if the Current Page is WordPress Search Page

WordPress developers can detect Search Page using the is_search function. is_search function detects if the current page in the user browser is the website search page or not. The result of running the is_search is a Boolean, and it accepts no parameters. Let’s try this function with an example.
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How to Check if the Current Page is a Tag in WP (+Example)

If the current page is a tag page in WordPress, the is_tag function will return a true value. The is_tag function accepts only one parameter. you can use that parameter to check if the current page is a specific tag. We’re going to review the is_tag function and its usage in an example.
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How to Detect WP Home Page (Posts Page or Static Front Page)

Looking for a way to determine the WordPress Home Page when visitors are viewing it? Use the is_home or is_front_page functions in a PHP condition when you want to do stuff when the Current Page is WordPress Website Home Page. Check our example for the is_home and is_front_page functions; we’ve reviewed these functions and explained […]
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How to Check if the Current Page is a Category in WordPress!

Categories are actually WordPress terms under the hood, like tags and other classification entities. But there is a simple solution in WordPress to detect a category page. WordPress developers can use the is_category function to check if the current page is a category or not. This WP function accepts one argument. Using that argument, you […]
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How to Check if a Post has a Specific Tag in WordPress

To check if a post is in a tag or any of multiple tags, WP developers use the has_tag function. This function accepts two parameters to specify the tag and the post. You can execute functions when you are developing WordPress functionalities based on post tags using the returned boolean value by WP has_tag function. […]
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How to Exclude WordPress Posts from a Query by Keyword in Title

Excluding posts by a word in the title from the WP posts query has a simple solution which I shared in this tutorial. This solution uses the `s` argument in the posts query, and it is easier than what you can imagine. Read this short WordPress tutorial to learn how developers exclude posts from queries […]
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How to Get Users in WordPress (+Shortcode to Print Users in a List)

WordPress get_users function retrieves users based on given filters and order. This function will return the list of users in an array. WP developers can use the given array to print a List of WordPress users in a shortcode. We’re going to review the get_users syntax, try the function usage, and create a shortcode to […]
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How to Check if a Post Exists in WordPress (+Example)

WordPress has many ways to check a post’s existence by ID, title, content, date, ETC. get_post and post_exists are two useful functions in WordPress collection that can help developers check the existence of any post. Let’s review these two functions and try their usage.
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How to List All Authors in WordPress (Shortcode Included!)

In this WordPress tutorial, We’ll list all authors using the wp_list_authors function. You can use this WordPress functionality in different scenarios. To make this function more useful, we’ll create a shortcode for printing all authors.
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How to Check if a Post is Sticky in WordPress (+Example)

Sticky posts in WordPress will stick to the top of the post lists. Moderators can set a post to be sticky inside the WordPress admin panel. Developers can check if a post is sticky or not in WordPress, using the is_sticky function. In this WordPress tutorial, We’re going to set a sticky post and check […]
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How to Check if the Current User is Administrator in WP

User authentication is essential while developing WordPress. Detecting if the current user is an administrator in WordPress is not challenging, using the current_user_can function. This function is one of the most important security functions in WordPress.
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How to Check if a Post is in Specific Categories (+Example)

Checking if a post is in a specific category can help developers serve functionalities based on categories. For example, changing a post style or loading a specific file for it, when it’s in a specific category. the WordPress in_category can check if a post has a category checked for it or not.
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How to Check if Content has a Specific Shortcode in WP

Checking if a specific shortcode is available in content is an easy task to handle while developing WordPress. has_shortcode is the function available in WordPress that developers can use to check if the content has a shortcode or not! in this WordPress tutorial we’ll have a closer look at the WordPress has_shortcode function.
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How to get Post Thumbnail URL with Custom Size

WordPress generates different sizes for each uploaded image in the admin panel. Also, WordPress developers can register custom sizes for future generating. If you are interested in fetching a post’s thumbnail URL in custom size, read this article. I’m going to try registering new thumbnail sizes and retrieving thumbnails for each registered size.
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How to Set or Get a Custom Field for a Post in WP

Custom Fields in WordPress give developers the ability to store metadata on posts. Custom fields help developers avoid using extra tables in the database and use what is already available for plugin and theme development. In this tutorial, I will set a custom field on a post and retrieve its saved value.
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How to get Page by Title in WordPress (+Example)

Getting full details of a page by title is not that challenging in WordPress. WP has a function named get_page_by_title that is useful when a developer wants to retrieve page data from a specified title. For those interested WordPress developers, I’m going to try this function inside a working example.
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How to get the Previous Post Link in WordPress

Presenting Previous Post Link for visitors can generate more page views and increase conversion rate. WordPress introduced the get_previous_post_link function to help developers print the Previous Post Link easily and fast.
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How to get the Next Post URL in WordPress (Working Example)

WordPress get_next_post_link function helps developers to retrieve the URL of the next post when the user is currently inside one. getting Next Post URL is a great way of finding a related article for visitors to read. This functionality can increase page views if a developer uses it right.
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How to get Publish Date of The Last Post in WordPress

WordPress has two perfect functions to get Publish Date of the Last Post. get_lastpostdate and get_lastpostmodified functions are helpful when the developer wants to retrieve Latest Post’s Dates. In this WordPress tutorial for beginners, We will try these two functions in a working environment and check if they return what we want?
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How to get Home URL in WordPress (Usage Example)

get_home_url retrieves the Home Page URL of a WordPress website. get_home_url is one of the most used WordPress functions by developers when they want to use links in the development process. Let’s have a better look at this function with an example.
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How to Count Comments on a Post in WP Programmatically

The get_comments_number function will retrieve the number of comments for a post in WordPress. Do you want to check how many comments does a post has? Use the get_comments_number function with its easy syntax to get comments numbers for a post using ID.
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How to Add a Custom Shortcode to WordPress (+Example)

Shortcodes are helpful when WordPress admins want to run a function and return the result with a simple code. Developers can create a new shortcode for moderators to use when the process of calling a function is complicated or admins want to run a function on multiple pages themselves. Website moderators who do not know […]
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How to Register a Custom Image Size in WordPress (+Example)

Registring a New Image Size helps WordPress developers to generate different size images when the administrator uploads them on the admin panel. In this tutorial, we’ll have a close look at the add_image_size function which is responsible for registering a new image size in WordPress.
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How to get Post Title in WordPress (2 Examples!)

get_the_title is the core function responsible to retrieve Post Title in WordPress. We’ll try this function inside loops and with a specific post ID. This tutorial can be the only page you need to visit to learn how to print the title of a post when developing WordPress.
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How to get WordPress Post Date using PHP (+2 Examples)

Retrieving Publish Date of a Post in WordPress is an easy task to do. We’ll try retrieving post attributes using a specific Post ID or current queried post id to show you how to work with Post Dates in WordPress using the get_the_date function.
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4 Special Ways to Unpublish a Post Programmatically in WordPress!

There are 4 ways to unpublish a Post in WordPress using PHP codes. In this WordPress tutorial for beginners, we’ll try unpublishing a WordPress Post using WordPress core methods.
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How to Query WordPress Categories, Tags and Taxonomies

Learn how to list Categories, Tags and Taxonomies in WordPress using standard functions. In this WordPress tutorial for developers, we use get_categories, get_tags and get_taxonomies functions with working examples. After reading this tutorial, you can list WordPress categories, tags and taxonomies with all available filters.
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WordPress Query Posts by Category, Tag, Custom attribute, and more!

Learn how to List Posts in WordPress using Category name, Tag name, Custom attributes, Post type, Publish date, Random posts, etc. For post listing in WordPress, we use get_posts function to retrieve any WordPress post with desired attributes.
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WordPress Action and Filter Hooks Tutorial (+10 Examples)

In this WordPress tutorial for beginner developers, I will explain WordPress Actions and WordPress Filters and how you can use these WordPress Hooks in your theme or plugin, easy and understandable. This tutorial also contains +10 helpful examples for those who want to see this WordPress tutorial in action.
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