'postbypost',
'limit' => '',
'format' => 'html',
'showcount' => false,
'before' => '',
'after' => '',
'order' => 'desc',
);
$attr = shortcode_atts( $default_atts, $atts, 'archives' );
if ( ! in_array( $attr['type'], array( 'yearly', 'monthly', 'daily', 'weekly', 'postbypost' ), true ) ) {
$attr['type'] = 'postbypost';
}
if ( ! in_array( $attr['format'], array( 'html', 'option', 'custom' ), true ) ) {
$attr['format'] = 'html';
}
$limit = (int) $attr['limit'];
// A Limit of 0 makes no sense so revert back to the default.
if ( empty( $limit ) ) {
$limit = '';
}
/*
* The `postbypost` type (also the default) lists one entry per published
* post. Left unbounded, wp_get_archives() materializes the entire post table
* in a single request, which can exhaust PHP memory and fatal on large sites.
* Apply a sane, filterable default cap when no explicit limit was supplied.
*/
if ( 'postbypost' === $attr['type'] && '' === $limit ) {
/**
* Filter the default number of entries listed by the [archives] shortcode
* when using the unbounded `postbypost` type with no explicit `limit`.
*
* Set to 0 to restore the previous (unlimited) behavior, though this is
* not recommended on sites with a large number of posts.
*
* @module shortcodes
*
* @since 16.0
*
* @param int $limit Default maximum number of posts to list. Default 100.
*/
$default_limit = (int) apply_filters( 'jetpack_archives_shortcode_default_limit', 100 );
if ( $default_limit > 0 ) {
$limit = $default_limit;
}
}
$showcount = false !== $attr['showcount'] && 'false' !== $attr['showcount'];
$before = wp_kses( $attr['before'], $allowedposttags );
$after = wp_kses( $attr['after'], $allowedposttags );
// Get the archives.
$archives = wp_get_archives(
array(
'type' => $attr['type'],
'limit' => $limit,
'format' => $attr['format'],
'echo' => false,
'show_post_count' => $showcount,
'before' => $before,
'after' => $after,
)
);
if ( 'asc' === $attr['order'] ) {
$archives = implode( "\n", array_reverse( explode( "\n", $archives ) ) );
}
// Check to see if there are any archives.
if ( empty( $archives ) ) {
$archives = '
' . __( 'Your blog does not currently have any published posts.', 'jetpack' ) . '