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How To Cache Data In WordPress With The Transients Api
Transients store data temporarily in the database or in the object cache, with an expiration time. They are perfect for saving the result of slow work, like an external API…
How To Send Emails In WordPress With Wp_Mail
wp_mail() is the WordPress function for sending email. It works with any SMTP plugin and respects all the mail filters, so always use it instead of the plain PHP mail()…
How To Register Post Meta In WordPress With Register_Post_Meta
register_post_meta() tells WordPress about a custom field: its type, if it is a single value, how to sanitize it and if it is available in the REST API and the…
How To Create A Custom Shortcode In WordPress
A shortcode is a small tag in square brackets that the editor replaces with dynamic content. Register one with add_shortcode() and always return the output instead of printing it.
How To Add Custom Image Sizes In WordPress With Add_Image_Size
Use add_image_size() to make WordPress generate extra image sizes every time an image is uploaded. This gives you exact dimensions for cards, banners and galleries.
