PHP gd caching an image
This example shows how to display caching of an image.
This example shows how to display caching of an image.<?php
header("Content-type: image/png");
$filename = date("Y_m_d").".png";
if (is_file($filename)) {
readfile($filename);
exit;
}
$image = imagecreatetruecolor(100,25);
$white = imagecolorallocate($image,255,255,255);
$black = imagecolorallocate($image,0,0,0);
imagefill($image,0,0,$white);
imagerectangle($image,0,0,99,24,$black);
imagestring($image,5,5,5,date("d/m/Y"),$black);
imagepng($image,$filename);
imagepng($image);
imagedestroy($image);
?>
After running the program you will get the following output
