wordpress

Add a login form to WordPress theme

function sidebar_loginform(){
	if (!(current_user_can('level_0'))){
		$content = '
		<form action="' . get_option( 'home' ) . '/wp-login.php" method="post">
		<input type="text" name="log" id="log" value="' . wp_specialchars( stripslashes($user_login), 1 ) . '" size="20" />
		<input type="password" name="pwd" id="pwd" size="20" />
		<input type="submit" name="submit" value="login" class="button" />
			<p>
			   <label for="rememberme"><input name="rememberme" id="rememberme" type="checkbox" checked="checked" value="forever" /> Remember me</label>
			   <input type="hidden" name="redirect_to" value="' . $_SERVER['REQUEST_URI'] . '" />
			</p>
		</form>';
	} else {
		$content = '
		<a href="' . wp_logout_url( urlencode( $_SERVER['REQUEST_URI'] ) ) . '">logout</a><br />
		<a href="' . get_option('home') . '/secret-page/">secret page</a>';
	}
	return $content;
}

Source:

wp recipes

Make youtube iframes obey z-index rules

A client I am building a WordPress site for wants a fixed menu, but has youtube videos in the content that overlap the menu, despite my z-index settings. Here’s how I resolved the issue.
Read More

Youtube channel shortcode

I try and avoid plugins unless it means re-inventing the wheel, so when I needed to create a slider of content from a users youtube channel, this shortcode function came in very handy
Read More

Exclude Sticky Posts from WP loop

<?php
/* take away the Sticky Ability of the Post */
query_posts( 'caller_get_posts=1' );
if ( have_posts() ) : while ( have_posts() ) : the_post();
...

/*Completely exclude Sticky posts from the Loop*/
query_posts( array( "post__not_in" => get_option( "sticky_posts" ) ) );
if ( have_posts() ) : while ( have_posts() ) : the_post();
...
?>

Source:

wpbeginner

WP Query Post with Multiple Meta Values

Querying posts where meta_key is ‘my-custom-key’ and meta_value is ‘x’ is simple enough, but what if you need to query by multiple pairs of meta data? Read on to find out how.
Read More

Add Searchform to WP Menu

add_filter( 'wp_nav_menu_items', 'add_search_box', 10, 2 );
function add_search_box( $items, $args ) {
    ob_start();
    get_search_form();
    $searchform = ob_get_contents();
    ob_end_clean();
    $items .= '<li>' . $searchform . '</li>';
    return $items;
}