* tag — the root probe is a fallback baked into Safari. WordPress only ever * emits the tag, so the probes 404. They were the largest source of genuine * (non-scanner) 404s in the log: roughly 1,350 hits across four filenames. * * Handled here rather than by dropping PNGs at the web root because only * wp-content is bind-mounted on this host — anything written beside index.php * lives in the container's own filesystem and disappears the next time the * container is recreated, which is exactly how wp-cli went missing. * * Runs on `init` so it costs a string comparison rather than a full query. * * @package Kadence-Child */ if ( ! defined( 'ABSPATH' ) ) { exit; } add_action( 'init', function () { if ( is_admin() || wp_doing_ajax() || wp_doing_cron() ) { return; } $path = isset( $_SERVER['REQUEST_URI'] ) ? wp_parse_url( wp_unslash( $_SERVER['REQUEST_URI'] ), PHP_URL_PATH ) : ''; if ( ! $path || 0 !== strpos( $path, '/apple-touch-icon' ) ) { return; } // /apple-touch-icon.png, -precomposed.png, and the -120x120 variants. if ( ! preg_match( '#^/apple-touch-icon(?:-(\d+)x\d+)?(?:-precomposed)?\.png$#', $path, $m ) ) { return; } // 180 is what current iOS actually renders; the sizes in the filename are // only what the device happened to ask for. $size = isset( $m[1] ) && $m[1] ? min( 512, max( 57, (int) $m[1] ) ) : 180; $url = get_site_icon_url( $size ); if ( ! $url ) { return; // No site icon set — let it 404 rather than invent one. } wp_redirect( $url, 301 ); exit; }, 1 );