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imagecreatefrompng

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

New

Description

imagecreatefrompng(string $filename): GdImage|false

imagecreatefrompng() returns an image identifier representing the image obtained from the given filename.

Fopen-wrapper

Parameters

filename: Path to the PNG image.

Return Values

Identifier

Changelog

Version	Description
8.0.0	On success, this function returns a `GDImage` instance now; previously, a `resource` was returned.

Examples

Example to handle an error during loading of a PNG

php

<?php
function LoadPNG($imgname)
{
    /* Attempt to open */
    $im = @imagecreatefrompng($imgname);

    /* See if it failed */
    if(!$im)
    {
        /* Create a blank image */
        $im  = imagecreatetruecolor(150, 30);
        $bgc = imagecolorallocate($im, 255, 255, 255);
        $tc  = imagecolorallocate($im, 0, 0, 0);

        imagefilledrectangle($im, 0, 0, 150, 30, $bgc);

        /* Output an error message */
        imagestring($im, 1, 5, 5, 'Error loading ' . $imgname, $tc);
    }

    return $im;
}

header('Content-Type: image/png');

$img = LoadPNG('bogus.image');

imagepng($img);
?>

The above example will output something similar to: imagecreatefrompng() example

Source: reference/image/functions/imagecreatefrompng.xml · from the official PHP manual (php/doc-en)