How to use PHP load Image imagecreatefrom_gif_jpeg_png Series functions

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The details are as follows:

The imagecreatefrom series functions are used to load an image from a file or URL.

Load Ima

The imagecreatefrom series functions are used to load an image from a file or URL and return the image resource successfully or an empty string if it fails.

This series of functions are:

Imagecreatefromgif (): create a canvas and load an image from a GIF file or URL address

Imagecreatefromjpeg (): create a canvas and load an image from a JPEG file or URL address

Imagecreatefrompng (): create a canvas and load an image from a PNG file or URL address

Imagecreatefromwbmp (): create a canvas and load an image from a WBMP file or URL address

Imagecreatefromstring (): create a canvas and create a new image from the image stream in the string

Syntax:

Resource imagecreatefromgif (string filename) resource imagecreatefromjpeg (string filename) resource imagecreatefrompng (string filename) resource imagecreatefromwbmp (string filename) resource imagecreatefromstring (string image)

Example:

In this example, we load and output the original image. Since PHP does not have friendly error tips for image creation errors, we have customized the error handling information.

Prompt

For images generated by PHP, if you want to display them directly in a normal web page instead of outputting them through header, you can call them as follows:

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