Server configuration instructions:
1. Find;extension=php_exif.dll in the php.ini file, remove the preceding semicolon
2. Find;extension=php_mbstring.dll in the php.ini file, remove the preceding semicolon, and Move this line before extension=php_exif.dll so that it loads first*.
3. Find the [exif] section and remove the semicolon from the following statement.
;exif.encode_unicode = ISO-8859-15
;exif.decode_unicode_motorola =
UCS-2BE
;exif.decode_unicode_intel = UCS-2LE
;exif.encode_jis
=
;exif.decode_jis_motorola = JIS
;exif.decode_jis_intel = JIS
http://www.111cn.net/phper/linux-php/64277.htm Detailed explanation of opening PHP exif extension method
php’s exif extension is not loaded
Enable it in the dynamic extension of php.ini
First make sure you have changed the correct php.ini. Generally there are two php.ini, one for server configuration and one for command line.
You first run phpinfo() to see which php.ini is loaded on your server. By the way, you can check whether the dll you need is loaded