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| author | Bradley Taunt <brad@bt.ht> | 2023-11-27 12:25:51 -0500 |
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| committer | Bradley Taunt <brad@bt.ht> | 2023-11-27 12:25:51 -0500 |
| commit | 14d227d46a2177a8928333894252d6299f531097 (patch) | |
| tree | d41d48383d012f53823c9816a820e4e88c572c41 /posts/wp-enqueue-for-beginners.md | |
| parent | f6eed1a8c2f4fbf91fac9edd11e50f5c0ec939a2 (diff) | |
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diff --git a/posts/wp-enqueue-for-beginners.md b/posts/wp-enqueue-for-beginners.md new file mode 100644 index 0000000..2d5667f --- /dev/null +++ b/posts/wp-enqueue-for-beginners.md @@ -0,0 +1,95 @@ +# WP Enqueue for Beginners + +2020-05-05 + +Throughout my career designing, developing and auditing WordPress themes, I've come across many that include their custom styles / scripts as static HTML elements inside their respective `header` and `footer` templates. This is perfectly _fine_, but there is a cleaner way to include these files. + +This post is purposefully catered for WordPress beginners, so if this seems overly simple, then you're probably already developing WordPress themes that utilize these techniques. (Which is awesome!) + +## Introducing WP Enqueue + +The description of Wp Enqueue from the WordPress documentation: + +<blockquote class="wp-block-quote"> + <p> + Registers the style [script] if source provided (does NOT overwrite) and enqueues + </p> +</blockquote> + +In a nutshell: Placing a `wp_enqueue_script` or `wp_enqueue_style` script in the `functions.php` of your custom theme tells WordPress to pull external files into the header or footer of your website. Best practice being: _styles into the header, scripts into the footer_. + +I suggest you read the official documentation for more details: [wp\_enqueue\_script](https://developer.wordpress.org/reference/functions/wp_enqueue_script/) and [wp\_enqueue\_style](https://developer.wordpress.org/reference/functions/wp_enqueue_style/). + +## Enqueue Stylesheets + +The default script to enqueue a CSS stylesheet: + + + wp_enqueue_style( $handle, $src, $deps, $ver, $media ); + + +- `$handle` - the name associated with your stylesheet +- `$src` - URL pointing to the directory of the stylesheet itself +- `$deps` - An array of any other stylesheets needed as dependencies +- `$ver` - The version number of the stylesheet (used for cache busting) +- `$media` - Specify media type (`all`, `print`, `screen`, etc.) + +So, with all those parameters in mind, here is what a standard default enqueue of a CSS stylesheet looks like: + + + wp_enqueue_style( 'google-fonts', 'https://fonts.googleapis.com/css?family=Montserrat:200,300,300i,400,600,700,800,900', '', '1.0', ''); + + +In this example we have rendered the following: + +- `$handle`: google-fonts +- `$src`: https://fonts.googleapis.com/css?family=Montserrat:200,300,300i,400,600,700,800- 0 +- `$deps`: Null (left blank) +- `$ver`: 1.0 +- `$media`: Null (left blank) + +**Important:** Keep in mind that the `wp_enqueue_style` script will render the stylesheet link into the WordPress header automatically. + +## Enqueue Scripts + +The default script to enqueue an external JS file: + + + wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer ); + + +- `$handle` - the name associated with your script +- `$src` - URL pointing to the directory of the script itself +- `$deps` - An array of any other scripts needed as dependencies +- `$ver` - The version number of the script (used for cache busting) +- `$in_footer` - Set whether the script is loaded in the `<head>` or just before the `</body>` + +With all those parameters in mind, here is what a standard default enqueue of a Javascript file looks like: + + + wp_enqueue_script( 'bxslider', get_template_directory_uri() . '/js/bxslider.js', array('jquery'), '1.0.0', true ); + + +In this example we have rendered the following: + +- `$handle`: bxslider +- `$src`: get\_template\_directory_uri() . /js/bxslider.js' +- `$deps`: array(jquery') +- `$ver`: 1.0.0 +- `$in_footer`: True (_places script before closing body tag_) + +## Packaging Everything Together + +Now that we have the custom stylesheet and script ready to be loaded into our custom WordPress theme, we just need to properly package them together as a function in our `functions.php` file: + + + // Add styles and scripts to the header/footer + function custom_enqueue_scripts() { + wp_enqueue_style( 'google-fonts', 'https://fonts.googleapis.com/css?family=Montserrat:200,300,300i,400,600,700,800,900'); + wp_enqueue_script( 'bxslider', get_template_directory_uri() . '/js/bxslider.js', array('jquery'), '1.0.0', true ); + } + + add_action( 'wp_enqueue_scripts', 'custom_enqueue_scripts'); + + +That's it! Hopefully this helps prevent WordPress newbies from statically rendering their external CSS and JS files directly in template files. Let WordPress do that for you! |