What to do if php watermark is garbled

Solution to garbled watermark in php: 1. Remove the "--enable-gd-jis-conv" option and recompile php; 2. Convert characters to html entities using the method "mb_convert_encoding ()".

php Use Gd library to add garbled text watermark problems and solutions

A recent project After migrating the server, it was discovered after deployment that one of the functions of adding watermark text to pictures had a garbled problem. It was confirmed that there was no problem with the function code. At the same time, the project codes were all encoded in UTF-8, and there was no encoding problem. The fonts were also checked and excluded. There is a possibility of a problem with the file. After consulting the information, I finally found a PHP compilation parameter --enable-gd-jis-conv.

--enable-gd-jis-conv:

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

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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