WordPress Shortcodes

Permalink Dynamic



Basic Usage

[permalink id=49 text=“My Posts Dynamic Permalink”]



function do_permalink($atts)

{
	extract(shortcode_atts(array
	(
		‘id’ => 1,
		‘text’ => ‘’  // default value if none supplied
	), $atts));

	if($text)
	{
		$url = get_permalink($id);
		return ‘‘.$text.’‘;
	}
	else
	   return get_permalink($id);

}

add_shortcode(‘permalink’, ‘do_permalink’);

Conditional HTTP GET Vars



Canada

[get key=‘title’ if_return=‘If title isn’t defined’ else_return=‘The value of title is {$key}’]

/**
 * Allow content to access GET variables
 *
 * param	$atts	Shortcode attributes.
 * return	Processed 
 */

function ayzHttpGetVars($atts)

{
	$operators = array(‘==’, ‘!=’, ‘>’, ‘>=’, ‘<’, ‘<=’);
	$result = ‘’;
	if(array_key_exists(‘key’, $atts))
	{
		$key = $atts[‘key’];
		$keyValue = !empty($_GET[$key]) ? $_GET[$key] : ‘’;

		$if_key = !empty($atts[‘if_key’]) ? $atts[‘if_key’] : ‘’;

		$if_return = !empty($atts[‘if_return’]) ? str_replace(‘{$key}’, $keyValue, $atts[‘if_return’]) : ‘’;
		$else_return = !empty($atts[‘else_return’]) ? str_replace(‘{$key}’, $keyValue, $atts[‘else_return’]) : ‘’;

		// Return Values Sanity Check //
		$test = $if_return.$else_return;
		if(empty($atts))
			throw new Exception(‘Shortcode [get] requires that at least one of if_return=“value” or else_return=“value” be set when if_key is defined.’);

		// Are we testing if the GET var is empty or not set? //
		if(empty($if_key))
			$result = empty($keyValue) ? $if_return : $else_return;
		else
		{
			// Explode the if_key value to test for operators //
			$ifValues = explode(’ ‘, $if_key);
			if(count($ifValues) > 1 && in_array($ifValues⁰, $operators))
			{
				$operator = array_shift($ifValues);
				$ifValues = implode(’ ‘, $ifValues);
				$result = eval(“$key $operator ‘$ifValues’”) ? $if_return : $else_return;
			}
			else
				$result = $keyValue == $if_key ? $if_return : $else_return;
		}
	}
	else
	{
		if(array_key_exists(‘key_callback’, $atts) && function_exists($atts[‘key_callback’]))
			$callback = $atts[‘key_callback’];

		foreach($atts as $key)
		{
			if(isset($callback))
				$result .= call_user_func($callback, $key, $_GET[$key]);
			else if(!empty($_GET[$key]) && $key != ‘key_callback’)
				$result .= $key.’=’.$_GET[$key].’&’;
		}
	}

	return $result;

}

add_shortcode(‘get’, ‘ayzHttpGetVars’);

RAW Input



// Allow for RAW input into posts //

function raw_formatter($content)

{
	$content = do_shortcode($content);
	$new_content = ‘’;
	$pattern_full = ‘{(\[raw\].*?\[/raw\])}is’;
	$pattern_contents = ‘{\[raw\](.*?)\[/raw\]}is’;
	$pieces = preg_split($pattern_full, $content, -1, PREG_SPLIT_DELIM_CAPTURE);

	foreach ($pieces as $piece)
	{
		if (preg_match($pattern_contents, $piece, $matches))
			$new_content .= $matches¹;
		else
			$new_content .= wptexturize(wpautop($piece));
	}

	return $new_content;

}

remove_filter(‘the_content’, ‘wpautop’);

remove_filter(‘the_content’, ‘wptexturize’);

add_filter(‘the_content’, ‘raw_formatter’, 99);