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  1. <?php 
  2.  
  3. 	$category_detail=get_the_category($post->ID);
  4. 	$post_id = $post->ID;
  5. 	$cat_id = -1;
  6. 	$cat_name = '';
  7. 	foreach($category_detail as $cd){
  8. 		if(substr( $cd->cat_name, 0, 3 ) === "TUT") {
  9. 			$cat_id = $cd->cat_ID;
  10. 			$cat_name = $cd->cat_name;
  11. 			break;
  12. 		}
  13. 	}
  14. 	if($cat_id > 0) { ?>
  15. 		<div id="sidebar">
  16. 			<h3 class="widgettitle"> <?php echo $cat_name; ?> </h3>
  17. 			<ul>
  18. 			<?php
  19. 				$catPost = get_posts('cat='.$cat_id.'&posts_per_page=-1&order=ASC&orderby=menu_order');			
  20. 				$text = "class='tut-current-post'";
  21. 			   	foreach ($catPost as $post) : setup_postdata($post); ?>
  22.  
  23. 			   		<li><a href="<?php the_permalink(); ?> "
  24. 			   					<?php if($post_id == $post->ID) echo ' ' . $text; ?>
  25. 			   					>
  26. 			   				<?php the_title(); ?>
  27.  
  28. 			   			</a></li>
  29.  
  30. 				<?php  endforeach;?>
  31. 			</ul>
  32. 		</div>
  33.  
  34. 	<?php }
  35.  ?>
Runtime error #stdin #stdout #stderr 0.01s 82880KB
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Standard output is empty
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PHP Fatal error:  Uncaught Error: Call to undefined function get_the_category() in /home/SJRHEl/prog.php:3
Stack trace:
#0 {main}
  thrown in /home/SJRHEl/prog.php on line 3
https://ideone.com/giRrz9
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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