How can a specific key press be used to exit a loop in PHP?

To exit a loop in PHP based on a specific key press, you can utilize the `break` statement within an `if` condition that checks for the specific key press. This can be achieved by using the `fgets(STDIN)` function to read user input from the command line. If the specific key press is detected, the loop can be exited by using `break`. 

<?php

// Loop example
while (true) {
    $input = fgets(STDIN);
    
    // Check for specific key press to exit loop
    if ($input == 'q') {
        break;
    }
    
    // Continue with loop execution
    echo "Looping...\n";
}

echo "Loop exited.";
?>

Keywords

PHP key press exit loop keyboard input break statement

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