![]() ![]() This example demonstrates passing by environment variables and program (application) parameters. ![]() ![]() Sound complicated however the command FOR /F has this functionality built in hence is easy to implement. A parent reads this file and makes changes as required.Īn alternative is for the child to output variables to the standard stream (for example print or echo uses the standard stream to output to the screen), allow the parent to intercept and process this data. Writing new or modified variables to a file is one solution. This means a child cannot change the original environment.Īlthough a child process can access and change inherited environment variables, it requires a mechanism to pass any changes back to the parent. A child inherits only a copy (snapshot of the current environment) of the parents environment. Run PHP code - extract and assign variablesĪ parent process passes its environment to a child process.Run PHP code directely - display all lines.Display all lines that will be processed.Extract password from name/password file.Extract MySQL password using FOR command.Extract MySQL password using SET command. ![]()
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