Pagechecker (Parent or Child)

PHP 30

Pagechecker (Parent or Child) By micha on 12th December 2018 02:22:27 PM

<?php
/*********************************
*** Pagechecker - Parent/Child ***
*********************************/
$is_child = false;
$has_ancestors = false;
$enable_back = false;
/* If "$post->post_parent" value is 0, the page is a top level page */
if( is_page() && $post->post_parent > 0 ) {
$is_child = true;
$has_ancestors = true;
$enable_back = true;
$ancestors = get_ancestors( $post->ID, 'page' );
$ancestor_url = get_permalink($ancestors[0]);
$depth = count($ancestors);
//print_r($ancestors);
if ( is_page() && $depth > 1 ) {
$enable_back = true;
}
}
if ($is_child) {
/* Page IS a Child */
$args = array(
'post_type' => 'page',
'posts_per_page' => -1,
'post_parent' => $post->post_parent,
'order' => 'ASC',
'orderby' => 'menu_order'
);
$child = new WP_Query( $args );
if ( $child->have_posts() ) : ?>
<div class="childpages list">
<?php while ( $child->have_posts() ) : $child->the_post(); ?>
<span id="parent-<?php the_ID(); ?>" class="parent-page">
<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
</span>
<?php endwhile; ?>
</div>
<?php endif; wp_reset_query();
} else {
/* Page is NOT a child */
$children = get_pages( array( 'child_of' => $post->ID ) );
if( count( $children ) == 0 ) {
/* Page has no childs */
} else {
/* Page has childpages */
$args = array(
'post_type' => 'page',
'posts_per_page' => -1,
'post_parent' => $post->ID,
'order' => 'ASC',
'orderby' => 'menu_order'
);
$parent = new WP_Query( $args );
if ( $parent->have_posts() ) : ?>
<div class="parent childpages list">
<?php while ( $parent->have_posts() ) : $parent->the_post(); ?>
<span id="parent-<?php the_ID(); ?>" class="parent-page">
<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
</span>
<?php endwhile; ?>
</div>
<?php endif; wp_reset_query();
}
}
?>
<?php if($has_ancestors && $enable_back) : ?>
<div class="back">
<span class="backlink"><a href="<?php echo $ancestor_url; ?>"><i class="fa fa-long-arrow-left" aria-hidden="true"></i> <?php echo get_the_title( $ancestors[0] ) ?></a></span>
</div>
<?php endif; ?>

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<?php
  
  /*********************************
  *** Pagechecker - Parent/Child ***
  *********************************/
  
  $is_child      = false;
  $has_ancestors = false;
  $enable_back   = false;

/* If "$post->post_parent" value is 0, the page is a top level page */
  if( is_page() && $post->post_parent > 0 ) {
	$is_child       = true;
	$has_ancestors  = true;
	$enable_back    = true;
	$ancestors      = get_ancestors( $post->ID, 'page' );
	$ancestor_url   = get_permalink($ancestors[0]);
	$depth          = count($ancestors);
	//print_r($ancestors);

if ( is_page() && $depth > 1 ) {
	  $enable_back  = true;
	}
  }

if ($is_child) {
	/* Page IS a Child */
	$args = array(
				  'post_type'      => 'page',
				  'posts_per_page' => -1,
				  'post_parent'    => $post->post_parent,
				  'order'          => 'ASC',
				  'orderby'        => 'menu_order'
	);

$child        = new WP_Query( $args );

if ( $child->have_posts() ) : ?>
	  <div class="childpages list">
		<?php while ( $child->have_posts() ) : $child->the_post(); ?>
			<span id="parent-<?php the_ID(); ?>" class="parent-page">
				<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
			</span>
		<?php endwhile; ?>
	  </div>
	<?php endif; wp_reset_query();

} else {
	/* Page is NOT a child */
	$children = get_pages( array( 'child_of' => $post->ID ) );

if( count( $children ) == 0 ) {
	  /* Page has no childs */

} else {
	  /* Page has childpages */
	  $args = array(
		  'post_type'      => 'page',
		  'posts_per_page' => -1,
		  'post_parent'    => $post->ID,
		  'order'          => 'ASC',
		  'orderby'        => 'menu_order'
	   );

$parent = new WP_Query( $args );
	  if ( $parent->have_posts() ) : ?>
		<div class="parent childpages list">
		  <?php while ( $parent->have_posts() ) : $parent->the_post(); ?>
			  <span id="parent-<?php the_ID(); ?>" class="parent-page">
				  <a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
			  </span>
		  <?php endwhile; ?>
		</div>
	  <?php endif; wp_reset_query();
	}
  }
?>

<?php if($has_ancestors && $enable_back) : ?>
<div class="back">
  <span class="backlink"><a href="<?php echo $ancestor_url; ?>"><i class="fa fa-long-arrow-left" aria-hidden="true"></i> <?php echo get_the_title( $ancestors[0] ) ?></a></span>
</div>
<?php endif; ?>