post-excerpt_and_readmore

<?php             //Here are two type of code you can use any one

                                        //Number one Code

/* post-excerpt and read more in index.php */

/* add this function to function.php */

/* code for read more  in functions.php*/
function excerpt($num) {
$limit = $num+1;
$excerpt = explode(' ', get_the_excerpt(), $limit);
array_pop($excerpt);
$excerpt = implode(" ",$excerpt)." <a href='" .get_permalink($post->ID) ." ' class='".readmore."'>read more</a>";
echo $excerpt;
}

/* then create a file call post-excerpt and put this code */
<div class="page_area fix ">
        <div class="page column fix">

    <?php if(have_posts()) : ?>
                    <?php while (have_posts()) : the_post(); ?>
                    <div class="single_post">

                    <h2><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
                            <div class="post_info">
                                Posted In: <?php the_category(', '); ?> | Posted on: <?php the_time('M d, Y') ?> <?php comments_popup_link('No Comment', '1 Comment', '% Comments'); ?>
        </div>


        <div class="post_content">
            <a href="<?php the_permalink(); ?>"></a>
        <?php echo excerpt('20'); ?>/* 20 this is the limit number of word */

                    <?php endwhile; ?>
                    <?php endif; ?>

</div>
        </div>
     </div>
     </div>


/* whare to use it just call it like this index.php */

<?php get_template_part( 'post-excerpt' ); ?>






                                      //Number two Code (I like to use this code )



//Control post Excerpt in WordPress from functions.php (this code for length)
function new_excerpt_length($length) {
return 5; //5 this nubmber is word number
}
add_filter('excerpt_length', 'new_excerpt_length');



function new_excerpt_more( $more ) {            //(this code for readmore)
return ' <a class="readmore" href="'. get_permalink( get_the_ID() ).'">Read More</a>';
}
add_filter( 'excerpt_more', 'new_excerpt_more' );

// for call how to use (like number one code post-excerpt file)

<?php the_excerpt() ;  ?>

//style put this style in your style css but if you want to use any style you can do this

/* read more */
.readmore{border: none;
padding: 5px 15px;
background: #7E196E;
color: #FAF7F7;
border-radius: 5px;
cursor: pointer;
text-decoration: none;}








?>