PHP simple commnd line implentation

commandLineApp.php

<?php fwrite(STDOUT, 'Please enter Employee ID'.PHP_EOL);

// Read the input
$employee_id = fgets(STDIN);

fwrite(STDOUT, 'Employee ID : '.$employee_id.PHP_EOL.PHP_EOL);

fwrite(STDOUT, 'Please enter Employee auth V2 hash'.PHP_EOL);
$employee_hash = fgets(STDIN);

fwrite(STDOUT, 'Employee auth V2 hash : '.$employee_hash.PHP_EOL.PHP_EOL);


fwrite(STDOUT, 'Pick some colors (enter the letter and press return)'.PHP_EOL);

// An array of choice to color
$colors = [
    'a'=>'Red',
    'b'=>'Green',
    'c'=>'Blue',
];

fwrite(STDOUT, 'Enter \'q\' to quit'.PHP_EOL);

// Display the choices
foreach ( $colors as $choice => $color ) {
    fwrite(STDOUT, $choice.':'. $color.PHP_EOL);
}

// Loop until they enter 'q' for Quit
do {
// A character from STDIN, ignoring whitespace characters
    do {
        $selection = fgetc(STDIN);
    } while ( trim($selection) === '' );

    if ( array_key_exists($selection,$colors) ) {
        fwrite(STDOUT, 'You picked '.$colors[$selection].PHP_EOL);
    }

} while ( $selection !== 'q' );





// Exit correctly
exit(0);