/home/arranoyd/otours/wp-content/plugins/footer-text/includes/class-shortcodes.php
<?php
/**
* Handles the shortcodes used by this plugin
*/
class Footer_Text_Shortcodes {
/**
* The shortcode tags to run* on the footer text, paired with their callbacks
*
* @var array
* @since 2.0
* @access private
*/
private $shortcode_tags;
/**
* Constructor
*
* @param array $shortcode_tags The shortcode tags to be applied to the footer text
* @since 2.0
*/
function __construct( $shortcode_tags = array() ) {
$this->shortcode_tags = wp_parse_args(
$shortcode_tags,
array(
'last_modified' => array( $this, 'shortcode_last_modified' ),
'page_link' => array( $this, 'shortcode_permalink' ),
'year' => array( $this, 'shortcode_current_year' ),
)
);
add_action( 'init', array( $this, 'add_shortcodes' ) );
add_filter( 'the_content', array( $this, 'post_content_remove_shortcodes' ), 0 );
add_filter( 'the_content', array( $this, 'post_content_add_shortcodes' ), 99 );
}
/**
* Returns a formatted link to
* the current page's permalink
*
* @uses get_permalink()
*
* @param array $atts Unused
* @param string $content The text the shortcode is wrapped around
* @return string
*
* @since 1.0
*/
function shortcode_permalink( $atts, $content ) {
$label = ! empty( $content ) ? $content : get_permalink();
return sprintf ( '<a href="%1$s">%2$s</a>', get_permalink(), $label );
}
/**
* Returns the date when the current page
* was last modified
*
* @uses the_modified_date()
* @return string
* @since 1.0
*/
function shortcode_last_modified() {
$open_el = sprintf (
'<time datetime="%s">',
get_the_modified_date( 'Y-m-d' )
);
return the_modified_date( '', $open_el, '</time>', false );
}
/**
* Returns the current year, ideal for
* a copyright notice
*
* @return string
* @since 1.0
*/
function shortcode_current_year() {
return sprintf ( '<time>%s</time>', date( 'Y' ) );
}
/**
* Returns an array of the shortcode tags to run
* on the footer text, paired with their callbacks
*
* @return array
* @since 1.0
* @access public
*/
public function get_shortcode_tags() {
return $this->shortcode_tags;
}
/**
* Registers our shortcodes with WordPress
*
* @uses add_shortcode()
* @since 1.0
*/
function add_shortcodes() {
$shortcode_tags = $this->get_shortcode_tags();
foreach ( $shortcode_tags as $shortcode_tag => $callback ) {
add_shortcode( $shortcode_tag, $callback );
}
}
/**
* Removes our custom shortcodes from the post content
* so they don't interfere with anything
*
* @link http://justintadlock.com/archives/2013/01/08/disallow-specific-shortcodes-in-post-content
*
* @param string $content The post content with the custom shortcodes
* @return string The post content without the custom shortcodes
*
* @since 1.0
*/
function post_content_remove_shortcodes( $content ) {
/* Retrieve an array of all the shortcode tags */
$shortcode_tags = $this->get_shortcode_tags();
/* Loop through the shortcodes and remove them */
foreach ( $shortcode_tags as $shortcode_tag => $callback ) {
remove_shortcode( $shortcode_tag );
}
/* Return the post content */
return $content;
}
/**
* Adds our shortcodes back to the post content when it's safe
*
* @see http://justintadlock.com/archives/2013/01/08/disallow-specific-shortcodes-in-post-content
*
* @param string $content The post content without the custom shortcodes
* @return string The post content with the custom shortcodes
*
* @since 1.0
*/
function post_content_add_shortcodes( $content ) {
/* Add the original shortcodes back. */
$this->add_shortcodes();
/* Return the post content. */
return $content;
}
}