What are the steps to resolve the issue of the undefined symbol in the dynamic library '/usr/lib/php/20151012/pdo_mysql.so'?

The issue of the undefined symbol in the dynamic library '/usr/lib/php/20151012/pdo_mysql.so' can be resolved by recompiling the PDO MySQL extension with the correct dependencies. This can be done by ensuring that the necessary libraries are installed and then recompiling the extension using the correct flags and options. 

// Example PHP code snippet to recompile the PDO MySQL extension

// Step 1: Install necessary libraries
// For example, on Ubuntu, you can install the necessary libraries using the following command:
// sudo apt-get install libmysqlclient-dev

// Step 2: Recompile the PDO MySQL extension
// Navigate to the PHP source directory where the extension source code is located
// Run the following commands to recompile the extension:
// cd ext/pdo_mysql
// phpize
// ./configure
// make
// sudo make install

// Step 3: Restart the PHP service
// After recompiling the extension, restart the PHP service to apply the changes
// For example, on Ubuntu, you can restart the PHP service using the following command:
// sudo service php7.0-fpm restart

Keywords

undefined symbol dynamic library /usr/lib/php/20151012/pdo_mysql.so resolve steps

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