WordPress Custom Functions Bible

custom_functions.php

/* Controlling excerpt length using filters */
function custom_excerpt_length( $length ) {
return 20;
}

add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );


/* Limit content length */
function word_limit($string, $max_words){
$post_words = explode(' ', $string);
$count = count($post_words);
$post_words = implode(' ', array_slice($post_words, 0, $max_words));

if($count > $max_words):
return $post_words . '...';
else:
return $post_words;
endif;
}