What to do if the Chinese text watermark in PHP is garbled

Solution to garbled Chinese text watermark in php: 1. Remove the "--enable-gd-jis-conv" option and recompile php; 2. Convert characters to html entities through "mb_convert_encoding".

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php uses the Gd library to add garbled text watermarks Problems and solutions

Recently a project underwent server migration. After deployment, it was discovered that one of the functions of adding watermark text to pictures had garbled problems. Confirm that there is no problem with the function code, and at the same time the project code They all use UTF-8 encoding, and there is no encoding problem. We also checked and ruled out the possibility of problems with the font file. Finally, after consulting the information, we locked a PHP compilation parameter --enable-gd-jis-conv.

--enable-gd-jis-conv:

If the –enable-gd-jis-conv option is enabled when compiling PHP, then non-ASCII characters (such as Chinese characters, pinyin, Greek and arrows) will be regarded as EUC-JP encoding, which will eventually lead to normal Chinese characters become garbled

Solution:

1. Remove the --enable-gd-jis-conv option and recompile php

2 .Convert characters to html entities

mb_convert_encoding ('测试', 'HTML-ENTITIES', 'UTF-8');

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