Custom comment form

gistfile1

//Custom the comment_form
function custom_comment_form() {
	$commenter = wp_get_current_commenter();
	$req = get_option( 'require_name_email' );
	$aria_req = ( $req ? " aria-required='true'" : '' );
	$fields =  array(
	    	'author' => '<p class="comment-form-author">' . '<label for="author">' . __( 'Name','thachpham' ) . '</label> ' . ( $req ? '' : '' ) .
	        '<input id="author" placeholder="'.__('Enter your name','thachpham').'" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' /></p>',
	    	'email'  => '<p class="comment-form-email"><label for="email">' . __( 'Email' ) . '</label> ' . ( $req ? '' : '' ) .
	        '<input id="email" placeholder="'.__('Enter your email','thachpham').'" name="email" type="text" value="' . esc_attr(  $commenter['comment_author_email'] ) . '" size="30"' . $aria_req . ' /></p>',
	        'url'    => '<p class="comment-form-url"><label for="url">' . __( 'Website' ) . '</label>' .
        	'<input id="url" placeholder="'.__('Enter your website url').'" name="url" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /></p>',
	);
	 
	$comments_args = array(
	    'fields' =>  $fields,
	    'title_reply'=>__('Leave a comment','thachpham'),
	    'label_submit' => __('Submit comment','thachpham'),
	);
	 
	comment_form($comments_args);
}