Graphics function Library: imagetypes

Source: Internet
Author: User
Keywords imagetypes php Chinese function manual graphics function library
Tags aliyun function function library graphics graphics function library html http link

Imagetypes

(PHP4 CVS only)

Imagetypes---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Returns the provided graphics format

Syntax: int imagetypes (void);

Description:

This function returns a Bit-field to indicate what graphic format the GD version of the link to PHP provides, and the following are the bits to be returned: Img_gif | img_jpg | Img_png | Img_wbmp, to check if the PNG format is available, you can do this like the example:

Example:

<?php

if (Imagetypes () & Img_png) {

echo "PNG Support is enabled";

}

?>

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