wordpress/php-fpm/wordpress_files/themes/twentytwelve-mst/functions.php

<?php

/* Changing excerpt length 
function new_excerpt_length($length) { 
	return 150; 
} 
add_filter('excerpt_length', 'new_excerpt_length');   
*/

/* Changing excerpt more 
function new_excerpt_more($more) { 
	return '...'; 
} 
add_filter('excerpt_more', 'new_excerpt_more');
*/


/******************************************************************************
* @Author: Boutros AbiChedid 
* @Date:   June 20, 2011
* @Websites: http://bacsoftwareconsulting.com/ ; http://blueoliveonline.com/
* @Description: Preserves HTML formating to the automatically generated Excerpt.
* Also Code modifies the default excerpt_length and excerpt_more filters.
* @Tested: Up to WordPress version 3.1.3
*******************************************************************************/
function custom_wp_trim_excerpt($text) {
$raw_excerpt = $text;
if ( '' == $text ) {
    //Retrieve the post content. 
    $text = get_the_content('');
 
    //Delete all shortcode tags from the content. 
    $text = strip_shortcodes( $text );
 
    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]&gt;', $text);
     
    $allowed_tags = '<p>,<a>,<em>,<strong>,<i>,<img>'; 
    //$allowed_tags = '<p>'; /*** MODIFY THIS. Add the allowed HTML tags separated by a comma.***/
    $text = strip_tags($text, $allowed_tags);
     
    $excerpt_word_count = 100; /*** MODIFY THIS. change the excerpt word count to any integer you like.***/
    $excerpt_length = apply_filters('excerpt_length', $excerpt_word_count); 
     
    $excerpt_end = '[...]'; /*** MODIFY THIS. change the excerpt endind to something else.***/
    $excerpt_more = apply_filters('excerpt_more', ' ' . $excerpt_end);
     
    $words = preg_split("/[\n\r\t ]+/", $text, $excerpt_length + 1, PREG_SPLIT_NO_EMPTY);
    if ( count($words) > $excerpt_length ) {
        array_pop($words);
        $text = implode(' ', $words);
        $text = $text . $excerpt_more;
    } else {
        $text = implode(' ', $words);
    }
}
return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
}
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('get_the_excerpt', 'custom_wp_trim_excerpt');





/* Hide widget title */
add_filter('widget_title','my_widget_title'); 
function my_widget_title($t)
{
	if ( ($t == 'MST') OR ( $t == 'Etiquetas') ):
    return null;
	else: 
		return $t;  
  endif;
}


/* Search BOX in MENU*/
//add_theme_support('html5', array('search-form'));
add_filter( 'wp_nav_menu_items','add_search_box', 10, 2 );
function add_search_box( $items, $args ) {
$items .= '<li id="searchli">' . get_search_form( false ) . '</li>';
return $items;
}


/* CUSTOM ENTRY META*/
if ( ! function_exists( 'twentytwelve_entry_meta' ) ) {
  /**
   * Set up post entry meta.
   * Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
   * Create your own twentytwelve_entry_meta() to override in a child theme.
   * @since Twenty Twelve 1.0
   */
  function twentytwelve_entry_meta($ID) {
  	// Translators: used between list items, there is a space after the comma.
  	$categories_list = '<span class="post-cats">'.get_the_category_list( __( ', ', 'twentytwelve' ) ).'</span>';
  
  	// Translators: used between list items, there is a space after the comma.
  	$tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
  
  	$date = sprintf( '<span class="the_date">%1$s</span>', esc_html( get_the_date() )	);
  
  	$author = sprintf( '<span class="author vcard">%1$s</span>', get_the_author() )  ;
  
  
  
  	// Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
  	if ( $tag_list ) {
  		$utility_text = __( '%3$s - %1$s ' , 'twentytwelve' );
  		//$utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  	} elseif ( $categories_list ) {
  		$utility_text = __( '%3$s - %1$s ' , 'twentytwelve' );
  	} else {
  		$utility_text = __( 'his entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  	}
  	printf(
  		$utility_text,
  		$categories_list,
  		$tag_list,
  		$date,
  		$author
  	);
  }

}