CLI spinner processing

Check out this cool little snippet for use in CLI scripts. It shows processing with a spinner. It took me a little while to figure out the magic combination of the cursor array and ternary operator. My main goal was to make it as self contained and efficient as possible. I am importing millions of records, and didn't want to waste CPU time on computing modulus on some huge $i value. :) --------------------- 8< SNIP >8 ---------------------------------------------- #!/usr/bin/php -q <?php define('ESC', 27); printf( "%c[2J", ESC ); //clear screen //note how the '-' is at [1], not [0] $cursorArray = array('/','-','\\','|','/','-','\\','|'); echo "Processing: "; printf( "%c7", ESC ); //save cursor position for ($count = 1; $count <= 30; $count++) { //note that $i is all self contained. printf("%c8(".$cursorArray[ (($i++ > 7) ? ($i = 1) : ($i % 8)) ].") %02d", ESC, $count); //restore cursor position and print sleep(1); } echo "\nDone.\n"; ?>