PHP imagecreatefrompng Function: Syntax, Parameters, Return Value, and Example Usage
This article explains the PHP imagecreatefrompng function, detailing its syntax, parameters, return values, and provides a complete example that loads a PNG file, handles errors, creates a blank image, draws a rectangle, and outputs the result as a PNG image.
The imagecreatefrompng function creates a new image resource from a PNG file or URL.
Syntax : resource imagecreatefrompng(string $filename)
It returns an image identifier representing the loaded image on success, or FALSE on failure.
Parameter
filename : Path to the PNG image file.
Return value
On success, an image resource is returned; on failure, FALSE is returned.
Example
This example demonstrates loading a PNG file, handling a failure by creating a placeholder image with an error message, sending the appropriate header, outputting the image as PNG, and finally freeing the image resource.
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