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Check if current page has subpage

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You may want to create navigation where the children are displayed only when the parent page is the current page. Place the code in your functions.php file

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Copy this code and paste it in your HTML 
  1. function hasChildpage() {
  2. 	$page = wp_list_pages('depth=1&child_of=' . $post->ID . '&echo=0');
  3.  
  4. 	if($page) {
  5. 		return true;
  6. 	} else {
  7. 		return false;
  8. 	}
  9. }

URL: http://awesomewordpressthemes.net/wordpress-tips/check-current-page-subpage/

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