donnamcmaster

<?php
/**
 * 'button-menu' shortcode
 * - insert a simple dropdown button menu 
 * - ref: https://getbootstrap.com/docs/4.2/components/dropdowns/
 * - 'menu' parm should match a menu location
 * - e.g., register_nav_menu( 'learning_grants', 'Learning Enrichment Grants' );
 */
add_shortcode( 'button-menu', function( $atts, $content=null ) {
	extract( shortcode_atts(

donnamcmaster

<?php
/**
 *   Phone Number Format
 *   - used to display phone numbers from a WooCommerce database
 *   - assumes local US numbers
 *   - very basic: removes non-digit characters, +1, adds dashes
 *   - props for base function to https://arjunphp.com/format-phone-number-using-php/
 *   - props for "+1" to https://simplysmartmedia.com/2013/11/php-phone-number-formatting-function/
 */
private static function phone_number_format ( $number ) {

donnamcmaster

/**
 * First Leaf
 * - returns the first non-array element (singular or object).
 * - handy when you're not sure whether information has been stored 
 *   as a singular value ('item') or 1-element array (0=>'item'). 
 * - the key() function gives us the first key in the array.
 * - uses recursion to go deeper if necessary; if that's not 
 *   what you want, you may need a different solution. 
 */
public static function first_leaf ( $value ) {

donnamcmaster

<?php
// get rid of junk <p> and <br> tags TinyMCE inserts around shortcodes
add_filter( 'the_content', function ( $content ) {   
	$array = [
		'<p>[' => '[', 
		']</p>' => ']', 
		']<br />' => ']',
		']<br>' => ']',
		'<p>&nbsp;</p>' => '',
	];

donnamcmaster

/**
 * minimize unnecessary revision storage (based on post type)
 */
add_filter( 'wp_revisions_to_keep', function ( $nr_revisions, $post ) {
	switch ( $post->post_type ) {
		case 'page': 
		case 'movie': 
		case 'article': 
		case 'story': 
			$nr_revisions = 3;

donnamcmaster

$css_timestamp = filemtime( get_stylesheet_directory() . '/assets/css/app.css' );
wp_enqueue_style( 'child_app', get_stylesheet_directory_uri() . '/assets/css/app.css', null, $css_timestamp );

donnamcmaster

/* props to Thomas Griffin
   https://thomasgriffin.io/remove-empty-paragraph-tags-shortcodes-wordpress/
 */

$extra_junk = array(
   '<p>[' => '[', 
   ']</p>' => ']', 
   ']<br />' => ']',
   ']<br>' => ']',
   '<p>&nbsp;</p>' => '',

donnamcmaster

/* ==========================================================================
   SVG to CSS Example: Breadcrumbs "Home Icon"
   - an example of using the Open Iconic SVG code to create a "home" icon
   - this is the same method as used in the Bootstrap 4 _variables.sccs file
   - started by downloading the distro from https://useiconic.com/open
   - found the 'home' icon SVG and copied its path code
   - then pasted the path code into one of the Bootstrap icon definitions &
     changed the fill color
   ========================================================================== */
$link-color: blue;

donnamcmaster

<!-- Get and display the My Account page url -->
<?php echo get_permalink( wc_get_page_id( 'checkout' ) ); ?>

<!-- Get and display the Cart page url -->
<?php echo get_permalink( wc_get_page_id( 'cart' ) ); ?>

<!-- Get and display the Shop page url -->
<?php echo get_permalink( wc_get_page_id( 'shop' ) ); ?>

<!-- Get and display the Checkout page url -->

donnamcmaster

if ( is_admin() ) {
	// soften post lock to post warning
	add_filter( 'show_post_locked_dialog', '__return_false' );
	add_filter( 'wp_check_post_lock_window', '__return_false' );
}