PHP imagecreatetruecolor Function: Creating True Color Images
The article explains PHP's imagecreatetruecolor function, detailing its purpose of creating a true‑color image resource, required parameters width and height, version compatibility notes, return values, and provides a complete example script that generates a PNG with custom text.
imagecreatetruecolor() creates a new true‑color image resource of the specified width and height.
The function is available when PHP is compiled with the GD library; its existence depends on the PHP and GD versions, with different error handling in older releases.
Parameters
width – image width in pixels.
height – image height in pixels.
Return value
On success it returns an image resource; on failure it returns FALSE.
Example
<?php
header('Content-Type: image/png');
$im = @imagecreatetruecolor(120, 20) or die('Cannot Initialize new GD image stream');
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color);
imagepng($im);
imagedestroy($im);
?>Signed-in readers can open the original source through BestHub's protected redirect.
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