Source
File: wp-admin/includes/dashboard.php
function wp_dashboard_browser_nag() {
$notice = '';
$response = wp_check_browser_version();
if ( $response ) {
if ( $response['insecure'] ) {
$msg = sprintf(
__( "It looks like you're using an insecure version of %s. Using an outdated browser makes your computer unsafe. For the best WordPress experience, please update your browser." ),
sprintf( '<a href="%s">%s</a>', esc_url( $response['update_url'] ), esc_html( $response['name'] ) )
);
} else {
$msg = sprintf(
/* translators: %s: Browser name and link. */
__( "It looks like you're using an old version of %s. For the best WordPress experience, please update your browser." ),
sprintf( '<a href="%s">%s</a>', esc_url( $response['update_url'] ), esc_html( $response['name'] ) )
);
}
$browser_nag_class = '';
if ( ! empty( $response['img_src'] ) ) {
$img_src = ( is_ssl() && ! empty( $response['img_src_ssl'] ) ) ? $response['img_src_ssl'] : $response['img_src'];
$notice .= '<div class="alignright browser-icon"><a href="' . esc_attr( $response['update_url'] ) . '"><img src="' . esc_attr( $img_src ) . '" alt="" /></a></div>';
$browser_nag_class = ' has-browser-icon';
}
$notice .= "<p class='browser-update-nag{$browser_nag_class}'>{$msg}</p>";
$browsehappy = 'https://browsehappy.com/';
$locale = get_user_locale();
if ( 'en_US' !== $locale ) {
$browsehappy = add_query_arg( 'locale', $locale, $browsehappy );
}
$notice .= '<p>' . sprintf(
__( '<a href="%1$s" class="update-browser-link">Update %2$s</a> or learn how to <a href="%3$s" class="browse-happy-link">browse happy</a>' ),
esc_attr( $response['update_url'] ),
esc_html( $response['name'] ),
esc_url( $browsehappy )
) . '</p>';
$notice .= '<p class="hide-if-no-js"><a href="" class="dismiss" aria-label="' . esc_attr__( 'Dismiss the browser warning panel' ) . '">' . __( 'Dismiss' ) . '</a></p>';
$notice .= '<div class="clear"></div>';
}
echo apply_filters( 'browse-happy-notice', $notice, $response );
}