针对你遇到的“call to undefined function mb_strpos()”问题,可以按照以下步骤进行排查和解决: 确认mb_strpos()函数是否存在于当前环境中: mb_strpos()函数是PHP的mbstring扩展提供的一个多字节字符串函数,用于查找多字节字符串在另一个字符串中的位置。如果该函数未定义,很可能是因为mbstring扩展没有安装或启用。
when i try to submit my file i get error > Fatal error: Call to undefined function finfo_open() in ...
Fatal Error: Call To Undefined Function Mysql_set_charset() Fatal Error: Call To Undefined Function File_extension() Fatal Error: Call To Undefined Function Tidy_repair_string() Why Do I Get Fatal Error: Call To Undefined Function: Zip_open() ...
Call to undefined function Symfony\\Polyfill\\Mbstring\\iconv_strpos() in vendor/symfony/polyfill-mbstring/Mbstring.php:501\nStack trace:\n#0 vendor/symfony/polyfill-mbstring/bootstrap.php(60): Symfony\\Polyfill\\Mbstring\\Mbstring::mb_strpos('&', ';', 0, 'UTF-8')\n#1 libraries/classes...
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