PHP Create Image

<?php
header("Content-type: image/jpeg");
$images = ImageCreate(300,200);
$photo = ImageColorAllocate($images,0,0,0);
ImageJpeg($images);
ImageDestroy($images);
?> 

<?php
header("Content-type: image/jpeg");
$images = ImageCreate(300,200);
$color = ImageColorAllocate($images,200,255,255);
$photo = ImageColorAllocate($images,0,0,0);
ImageRectangle($images, 0, 0, 299, 199, $photo);
ImageJpeg($images);
ImageDestroy($images);
?>

<?php
 header("Content-type: image/gif");
 $im = imagecreate( 200, 200 );
 $red = imagecolorallocate($im, 255,0,0);
 $blue = imagecolorallocate($im, 0,0,255 );
 imageline( $im, 0, 0, 199, 199, $blue );
 imagegif($im);
?>

<?php
 header("Content-type: image/gif");
 $im = imagecreate( 200, 200 );
 $red = imagecolorallocate($im, 255,0,0);
 $blue = imagecolorallocate($im, 0,0,255 );
 $green = ImageColorAllocate ($im, 0, 255, 0);
 imagefilledrectangle($im,19,19,179,179,$blue);
 imagefilledrectangle($im,40,50,155,150,$green);
 imagegif($im);
?>

<?php
echo "<img src=MyResize/image1.png>";
echo "<br><br>";
echo "<img src=image2.png>";
$im = ImageCreate(300, 200);
$background_color = imagecolorallocate($im, 255, 255, 0);   
$red = ImageColorAllocate($im, 255, 0, 0);                  
$blue = ImageColorAllocate($im, 0, 0, 255); 

//*** line ***//
ImageLine($im,5,5,280,5,$red);
ImageLine($im,5,5, 195, 170,$blue);

//** Box ***//
ImageRectangle ($im,5,10,250,50,$red);
ImageFilledrectangle ($im,5,100,250,140,$blue);

ImagePng($im,"MyResize/image1.png");
ImagePng($im,"MyResize/image2.png");
imageDestroy($im);

?>

<?php
$im = ImageCreate(250,200);

$white = ImageColorAllocate ($im, 255, 255, 255);
$red  = ImageColorAllocate ($im, 255, 0, 0);
$green = ImageColorAllocate ($im, 0, 255, 0);
$blue = ImageColorAllocate ($im, 0, 0, 255);

ImageFilledArc($im, 120, 100, 200, 150, 0, 90, $green, IMG_ARC_PIE);
ImageFilledArc($im, 120, 100, 200, 150, 90, 180 , $red, IMG_ARC_PIE);
ImageFilledArc($im, 120, 100, 200, 150, 180, 360 , $blue, IMG_ARC_PIE);

echo "<img src=MyResize/image.png>";
ImagePNG($im,"MyResize/image.png");

ImageDestroy($im);
?>

<?php
     header ("Content-type: image/png");
   
	$im = ImageCreate (150, 150);
	$grey = ImageColorAllocate ($im, 230, 230, 230);
	$red = ImageColorAllocate ($im, 255, 0, 0);
	$green = ImageColorAllocate ($im, 0, 255, 0);
	$blue = ImageColorAllocate ($im, 0, 0, 255);

	ImageArc($im, 55, 60, 50, 50, 0, 360, $red);
	ImageArc($im, 85, 60, 50, 50, 0, 360, $green);
	ImageArc($im, 70, 85, 50, 50, 0, 360, $blue);

	ImagePng ($im);
	ImageDestroy ($im);
?>

<img src="view.php">