thorbrink

.outer {
    position: relative;
    &:before {
        display: block;
        content: "";
        width: 100%;
        /* Update (1 / 1) with (width / height) for desired ratio*/
        padding-top: (1 / 1) * 100%;
    }
    

thorbrink

<?php
function get_recursive_files_array( $dir, $files = null ) {

	$files_in_folder = scandir( $dir );
	$files           = ( null === $files ) ? array() : $files;

	foreach ( $files_in_folder as $file ) {
		if ( ! is_dir( $dir . $file ) ) {
			$files[] = $dir . $file;

thorbrink

usort( $array, function( $a, $b ) {

    if( $a['key'] === $b['key'] ) {
    
    	return 0;
    	
    }
    
    return ( $a['key'] < $b['key'] ) ? 1 : -1;