<?php
$im = imagecreate(100, 30);
// White background and blue text
$bg = imagecolorallocate($im, 255, 255, 255);
$textcolor = imagecolorallocate($im, 0, 0, 255);
// Write the string at the top left
imagestring($im, 5, 0, 0, 'Hello world!', $textcolor);
// Output the image
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
Fatal error: Uncaught Error: Call to undefined function imagecreate() in /in/v2OHN:2
Stack trace:
#0 {main}
thrown in /in/v2OHN on line 2
Process exited with code 255.