In wordpress 3.0 limiting the excerpt is very easy. the_excerpt function is very useful and helpful in wordpress.
In many wordpress theme we used the excerpt. Many times we need to control excerpt characters as per our wordpress theme requirement. You can easily change the excerpt length using wordpress hook.
You just need to open your functions.php file from your wordpress theme folder and put following code in that.
function change_excerpt_length($length) {
return 100;
}
add_filter('excerpt_length', 'change_excerpt_length');
This filter is used by wp_trim_excerpt() function. By default the excerpt length is set to return 55 words.
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