jnicol

var isIE = /*@cc_on!@*/false || !!document.documentMode, // Internet Explorer 6-11
    isEdge = !isIE && !!window.StyleMedia; // Edge 20+
if(isIE || isEdge) {
 // do something...
}

jnicol

/**
 * Customize number of posts displayed per Custom Post Type
 *
 * @see https://mondaybynoon.com/wordpress-posts-per-page-per-custom-post-type/
 */
function custom_posts_per_page($query) {
  if(!is_admin()) {
    switch ($query->query_vars['post_type']) {
      case 'name_of_cpt1':
        $query->query_vars['posts_per_page'] = -1;

jnicol

/**
 * WordPress allows UTF8 characters such as copyright symbol in filenames but these break in Safari
 *
 * @see https://wordpress.org/support/topic/uploaded-image-with-accents-in-name-image-dont-show-in-safari-6 for original function
 * @see https://core.trac.wordpress.org/ticket/22363 for progress on fixing this bug
 *
 * #wordpress
 */
function sanitize_filename_on_upload($filename) {
  $ext = end(explode('.',$filename));