Hello i have some question about wordpress theme‏

hello
i hvae some question

1. How to save space of wordpress from picture upload to host ? Becuase wordpress often create other size of picture by self.

2.How to delete old post from host , delete leave from trash ?

Thank you.

HI Marius
I have placed the code to optimize the images
I have placed it at the end of “function.php”
I want to know if it’s right where I put it
Here is what I did

<?php
/*
Our portfolio: http://themeforest.net/user/tagDiv/portfolio
Thanks for using our theme!
tagDiv – 2017
*/

/**
* Load the speed booster framework + theme specific files
*/

// load the deploy mode
require_once(‘td_deploy_mode.php’);

// load the config
require_once(‘includes/td_config.php’);
add_action(‘td_global_after’, array(‘td_config’, ‘on_td_global_after_config’), 9); //we run on 9 priority to allow plugins to updage_key our apis while using the default priority of 10

// load the wp booster
require_once(‘includes/wp_booster/td_wp_booster_functions.php’);

require_once(‘includes/td_css_generator.php’);
require_once(‘includes/shortcodes/td_misc_shortcodes.php’);
require_once(‘includes/widgets/td_page_builder_widgets.php’); // widgets

/*
* mobile theme css generator
* in wp-admin the main theme is loaded and the mobile theme functions are not included
* required in td_panel_data_source
* @todo – look for a more elegant solution(ex. generate the css on request)
*/
require_once(‘mobile/includes/td_css_generator_mob.php’);

/* —————————————————————————-
* Woo Commerce
*/

// breadcrumb
add_filter(‘woocommerce_breadcrumb_defaults’, ‘td_woocommerce_breadcrumbs’);
function td_woocommerce_breadcrumbs() {
return array(
‘delimiter’ => ‘ <i class=”td-icon-right td-bread-sep”></i> ‘,
‘wrap_before’ => ‘<div class=”entry-crumbs” itemprop=”breadcrumb”>’,
‘wrap_after’ => ‘</div>’,
‘before’ => ”,
‘after’ => ”,
‘home’ => _x(‘Home’, ‘breadcrumb’, ‘woocommerce’),
);
}

// use own pagination
if (!function_exists(‘woocommerce_pagination’)) {
// pagination
function woocommerce_pagination() {
echo td_page_generator::get_pagination();
}
}

// Override theme default specification for product 3 per row

// Number of product per page 8
add_filter(‘loop_shop_per_page’, create_function(‘$cols’, ‘return 4;’));

if (!function_exists(‘woocommerce_output_related_products’)) {
// Number of related products
function woocommerce_output_related_products() {
woocommerce_related_products(array(
‘posts_per_page’ => 4,
‘columns’ => 4,
‘orderby’ => ‘rand’,
)); // Display 4 products in rows of 1
}
}

/* —————————————————————————-
* bbPress
*/
// change avatar size to 40px
function td_bbp_change_avatar_size($author_avatar, $topic_id, $size) {
$author_avatar = ”;
if ($size == 14) {
$size = 40;
}
$topic_id = bbp_get_topic_id( $topic_id );
if ( !empty( $topic_id ) ) {
if ( !bbp_is_topic_anonymous( $topic_id ) ) {
$author_avatar = get_avatar( bbp_get_topic_author_id( $topic_id ), $size );
} else {
$author_avatar = get_avatar( get_post_meta( $topic_id, ‘_bbp_anonymous_email’, true ), $size );
}
}
return $author_avatar;
}
add_filter(‘bbp_get_topic_author_avatar’, ‘td_bbp_change_avatar_size’, 20, 3);
add_filter(‘bbp_get_reply_author_avatar’, ‘td_bbp_change_avatar_size’, 20, 3);
add_filter(‘bbp_get_current_user_avatar’, ‘td_bbp_change_avatar_size’, 20, 3);

//add_action(‘shutdown’, ‘test_td’);

function test_td () {
if (!is_admin()){
td_api_base::_debug_get_used_on_page_components();
}

}

/**
* tdStyleCustomizer.js is required
*/
if (TD_DEBUG_LIVE_THEME_STYLE) {
add_action(‘wp_footer’, ‘td_theme_style_footer’);
// new live theme demos
function td_theme_style_footer() {
?>
<div id=”td-theme-settings” class=”td-live-theme-demos td-theme-settings-small”>
<div class=”td-skin-body”>
<div class=”td-skin-wrap”>
<div class=”td-skin-container td-skin-buy”>BUY NEWSPAPER NOW!</div>
<div class=”td-skin-container td-skin-header”>GET AN AWESOME START!</div>
<div class=”td-skin-container td-skin-desc”>With easy <span>ONE CLICK INSTALL</span> and fully customizable options, our demos are the best start you’ll ever get!!</div>
<div class=”td-skin-container td-skin-content”>
<div class=”td-demos-list”>
<?php
$td_demo_names = array();

foreach (td_global::$demo_list as $demo_id => $stack_params) {
$td_demo_names[$stack_params[‘text’]] = $demo_id;
?>
<div class=”td-set-theme-style”>” class=”td-set-theme-style-link td-popup td-popup-<?php echo $td_demo_names[$stack_params[‘text’]] ?>” data-img-url=”http://demo.tagdiv.com/demos_popup/newspaper/large/&lt;?php echo $demo_id; ?>.jpg”></div>
<?php } ?>
<div class=”td-set-theme-style-empty”></div>
<div class=”clearfix”></div>
</div>
</div>
<div class=”td-skin-scroll”><i class=”td-icon-read-down”></i></div>
</div>
</div>
<div class=”clearfix”></div>
<div class=”td-set-hide-show”></div>
<div class=”td-screen-demo” data-width-preview=”380″></div>
<div class=”td-screen-demo-extend”></div>
</div>
<?php
}

}
//print_r(td_global::$all_theme_panels_list);add_filter( ‘jpeg_quality’, create_function(”, ‘return 50;’ ) );