Reasons why no image is displayed in php drawing and solutions
Source: Internet
Author: User
For php plotting, you must first check whether the gd Library is enabled and go to php. in the INI file, find extensionphp_gd2.dll and remove the previous one. to restart the php drawing on the server, first check whether the gd Library is enabled and go to php. in the INI file, find extension = php_gd2.dll and remove the previous one. then restart the server.
If a normal image is still not displayed in the drawing, it indicates that the image information is incorrect when the server replies the request. do not Do not include html.
In addition, if no image is available, clear the cache before the drawing (that is, before writing the header), first write ob_clean (); then you can display it (including when writing a file for download, when the file cannot be opened after Download, clear the cache ).
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