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  1. <?php
  2.  
  3. function createThumb($fname, $thumbWidth, $thumbHeight){
  4. 	$dir = scandir('images');
  5.  
  6. 	if(!in_array($fname, $dir)){
  7. 		echo "Ошибка. Изображения не существует $fname";
  8. 	}
  9. 	else{
  10. 		$info = pathinfo("images/$fname");
  11. 		if(strtolower($info['extension']=='jpg')){
  12.  
  13. 			$img = imagecreatefromjpeg("images/$fname");
  14. 			$width = imagesx($img);
  15. 			$height = imagesy($img);
  16. 			if($width<$thumbWidth && $height<$thumbHeight){
  17. 				continue;
  18. 			}
  19. 			if($width>$height){
  20. 			$new_width = $thumbWidth;
  21. 			$new_height=floor($height*($thumbWidth/$width));
  22. 		}
  23.  
  24. 		   else{
  25. 		   	$new_height = $thumbHeight;
  26. 		   	$new_width = floor($width*($thumbHeight/$height));
  27. 		   }
  28.  
  29.  
  30.  
  31. 			$tmp_img = imagecreatetruecolor($new_width, $new_height);
  32. 			imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
  33. 			header('Content-Type: image/jpg');
  34. 			imagejpeg($tmp_img, "thumbnails/$fname");
  35. 		}
  36.  
  37. 		elseif(strtolower($info['extension']=='png')){
  38.  
  39. 			$img = imagecreatefrompng("images/$fname");
  40. 			$width = imagesx($img);
  41. 			$height = imagesy($img);
  42. 			if($width<$thumbWidth && $height<$thumbHeight){
  43. 				continue;
  44. 			}
  45. 			if($width>$height){
  46. 			$new_width = $thumbWidth;
  47. 			$new_height=floor($height*($thumbWidth/$width));
  48. 		}
  49.  
  50. 		   else{
  51. 		   	$new_height = $thumbHeight;
  52. 		   	$new_width = floor($width*($thumbHeight/$height));
  53. 		   }
  54. 			$tmp_img = imagecreatetruecolor($new_width, $new_height);
  55. 			imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
  56. 			header('Content-Type: image/png');
  57. 			imagepng($tmp_img, "thumbnails/$fname");
  58. 		}
  59. 	}
  60. }
  61.  
  62. $fname = $_GET['fname'];
  63. createThumb($fname, 100, 100);
  64.  
Success #stdin #stdout #stderr 0.02s 24448KB
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stdin
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Standard input is empty
stdout
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Ошибка. Изображения не существует
stderr
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PHP Notice:  Undefined index: fname in /home/jnuV5f/prog.php on line 62
PHP Warning:  scandir(images): failed to open dir: No such file or directory in /home/jnuV5f/prog.php on line 4
PHP Warning:  scandir(): (errno 2): No such file or directory in /home/jnuV5f/prog.php on line 4
PHP Warning:  in_array() expects parameter 2 to be array, boolean given in /home/jnuV5f/prog.php on line 6
https://ideone.com/Hx6bSY
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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