Search for a Name in ALL Files (shell_exec)

In PHP, you can use the shell_exec() function to execute shell commands and retrieve their output. Here's an example of how to use shell_exec() to search for a name in all files:

$output = shell_exec('grep -r "name" /path/to/directory');
echo $output;

In the above code, shell_exec() is the function for executing a shell command and retrieving its output, grep is the command for searching files for a specific pattern, -r is an option that tells grep to search recursively in subdirectories, "name" is the pattern you want to search for, and /path/to/directory is the path to the directory in which you want to search for the name.

For example, if you want to search for the name "John" in all files within the directory /home/user/documents and its subdirectories, you can use the following code:

$output = shell_exec('grep -r "John" /home/user/documents');
echo $output;

This will search for the name "John" in all files within the directory /home/user/documents and its subdirectories and display the lines that contain the name.