WordPress lt-ie8

functions.php

/**
 * HTML5 Shiv
 * Enables use of HTML5 sectioning elements in legacy Internet
 * Explorer and provides basic HTML5 styling for Internet Explorer 6-9
 */

// add ie conditional html5 shim to header
function add_ie_html5_shim () {
    echo '<!--[if lt IE 9]>';
    echo '<script src="'. get_stylesheet_directory_uri() .'/js/lib/html5shiv-printshiv.js"></script>';
    echo '<![endif]-->';
}
add_action('wp_head', 'add_ie_html5_shim');

/**
 * Respond
 * A fast & lightweight polyfill for min/max-width CSS3 Media Queries
 * (for IE 6-8, and more).
 */

// add ie conditional respond to header
function add_ie_respond () {
    echo '<!--[if lt IE 9]>';
    echo '<script src="'. get_stylesheet_directory_uri() .'/js/lib/respond.min.js"></script>';
    echo '<![endif]-->';
}
add_action('wp_head', 'add_ie_respond');