Why is the imagepstext() function used in the code snippet instead of other image creation functions?

The imagepstext() function is used in the code snippet because it specifically allows for the creation of text within an image using PostScript Type 1 fonts. This function provides more flexibility and control over the appearance of text compared to other image creation functions in PHP. By using imagepstext(), you can easily customize the font, size, color, and positioning of text within the image.

// Create a new image with a white background
$image = imagecreate(200, 100);
$white = imagecolorallocate($image, 255, 255, 255);

// Set the font and text color
$font = 'arial.ttf';
$textColor = imagecolorallocate($image, 0, 0, 0);

// Add text to the image using imagepstext()
imagepstext($image, 'Hello World', $font, 12, $textColor);

// Output the image
header('Content-type: image/png');
imagepng($image);

// Free up memory
imagedestroy($image);