What if php plot does not show pictures?

What if php plot does not show pictures?

This article describes the causes and solutions for the inability to display images when using the gd Library in php. For more information, see. Php plotting. check whether the gd Library is enabled. in the php. 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. 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 the image (including when writing a file for download, when the file cannot be opened after download, you can clear the cache ). Example of generating thumbnails in php GD Library basic knowledge of php gd library usage of GD function in php gd Library detailed description of generating high-quality thumbnails in php GD Library (example) php gd Library remote Image Download php GD library function getimagesize () usage php open GD Library (windows environment) example code for drawing a 24-hour bar chart in the php GD Library linux installation of the php GD support Library php introduction to The gd2 extension method in php (verification code generated by the GD Library) example php GD library Chinese garbled solution php GD Library generation verification code instance php GD Library upload pictures and create thumbnail code