LedBorg examples ported to PHP. All examples are ported from the Python orginals @ http://piborg.org/ledborg/examples

cheerlights.php

#!/usr/bin/env php
<?php
/**
 * Script to make your LedBorg pick random colours at a regular interval
 *
 * PHP version 5
 *
 * @category PiBorg
 * @package  PiBorg
 * @author   Arnaud TIERANT <at@synap.fr>
 * @license  http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version  SVN: $Id$
 * @link     http://www.piborg.com/ledborg
 */
 
// Setup parameters
$cheerlightsUrl = 'http://api.thingspeak.com/channels/1417/field/1/last.txt';
$colourMap = [
    "red"       => "200",
    "green"     => "020",
    "blue"      => "002",
    "cyan"      => "022",
    "white"     => "111",
    "warmwhite" => "222",
    "purple"    => "102",
    "magenta"   => "202",
    "yellow"    => "220",
    "orange"    => "210",
];

// 
/**
 * Function who gets the Cheerlights mood
 * 
 * @param string &$string The url to follow to get the web value
 *
 * @return string $buffer
 *
 */
function getURLdata(&$string)
{
    return file_get_contents($string);
}

// Loop indefinitely
while (true) {

    // Read the last cheerlights colour via its URL
    $colourName = getURLdata($cheerlightsUrl);

    // If we recognise this colour name then ...
    if (isset($colourMap[$colourName])) {
        // Get the LedBorg colour to use from the name
        $colour = $colourMap[$colourName];
        // Otherwise ...
    } else {
        // Display the name we did not recognise
        print "Unexpected colour '$colourName'\n";
        // Use the colour of black / off
        $colour = "000";
    }

    // Open the LedBorg device for writing to
    $ledborg = fopen("/dev/ledborg", "w");
    // Write the colour string to the LedBorg device
    fwrite($ledborg, $colour);
    // Close the LedBorg device
    fclose($ledborg);
    // Reset the colour
    unset($colour);
    // Wait for 1 second
    sleep(1);
    
}

random-colours.php

#!/usr/bin/env php
<?php
/**
 * Script to make your LedBorg pick random colours at a regular interval
 *
 * PHP version 5
 *
 * @category PiBorg
 * @package  PiBorg
 * @author   Arnaud TIERANT <at@synap.fr>
 * @license  http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version  SVN: $Id$
 * @link     http://www.piborg.com/ledborg
 */

// Loop indefinitely
while (true) {
    // Generate a value for red between 0 and 2 inclusive
    $red   = rand()&2;
    // Generate a value for green between 0 and 2 inclusive
    $green = rand()&2;
    // Generate a value for blue between 0 and 2 inclusive
    $blue  = rand()&2;
    // Create a text string of the form "RGB" from our random values
    $colour = "$red$green$blue";

    // Open the LedBorg device for writing to
    $ledborg = fopen("/dev/ledborg", "w");
    // Write the colour string to the LedBorg device
    fwrite($ledborg, $colour);
    // Close the LedBorg device
    fclose($ledborg);
    // Wait for 1 second
    sleep(1);
}

sequence.php

#!/usr/bin/env php
<?php
/**
 * Script to make your LedBorg pick random colours at a regular interval
 *
 * PHP version 5
 *
 * @category PiBorg
 * @package  PiBorg
 * @author   Arnaud TIERANT <at@synap.fr>
 * @license  http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version  SVN: $Id$
 * @link     http://www.piborg.com/ledborg
 */
 
// Setup our sqeuence list
$colours = [
    "200",
    "210",
    "110",
    "120",
    "020",
    "021",
    "011",
    "012",
    "002",
    "102",
    "101",
    "201",
];

// Loop indefinitely
while (true) {
    // For each colour in the list in order...
    foreach ($colours as &$colour) {
        // Open the LedBorg device for writing to
        $ledborg = fopen("/dev/ledborg", "w");
        // Write the colour string to the LedBorg device
        fwrite($ledborg, $colour);
        // Close the LedBorg device
        fclose($ledborg);
        // Wait for 1 seconds
        sleep(1);
    }
}

user-colours.php

#!/usr/bin/env php
<?php
/**
 * More advanced script which provides a user menu and responds to key presses.
 *
 * Demonstrates both reading and writing with the device.
 *
 * PHP version 5
 *
 * @category PiBorg
 * @package  PiBorg
 * @author   Arnaud TIERANT <at@synap.fr>
 * @license  http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version  SVN: $Id$
 * @link     http://www.piborg.org/downloads/ledborg/random-colours.php.txt
 */
 
// Display the options to the user as a menu
print "+-------------------------------+\n";
print "|            LedBorg            |\n";
print "+-------------------------------+\n";
print "|                               |\n";
print "|    R      Cycle red           |\n";
print "|    G      Cycle green         |\n";
print "|    B      Cycle blue          |\n";
print "|    0      Set all off         |\n";
print "|    1      Set all 50%         |\n";
print "|    2      Set all 100%        |\n";
print "|    I      Invert all channels |\n";
print "|                               |\n";
print "|    Q      Quit                |\n";
print "|                               |\n";
print "+-------------------------------+\n";
print "\n";

/**
 * Function to get a keypress without showing text on screen
 *
 * This function is a bit more complex then the rest of the
 * example, understanding it is a more advanced topic
 *
 * @return string $c Pressed Key
 *
 */
function getKey()
{
    system("stty -icanon");
    while ($c = fread(STDIN, 1)) {
        return $c;
    }
}

// Loop indefinitely
while (true) {
    // Define some variables
    $red = 0;
    $green = 0;
    $blue = 0;

    // Read the next keypress
    $command = getKey();

    // Read the current colour from the LedBorg device
    $ledborg = fopen("/dev/ledborg", "r");
    // Read the entire contents of the LedBorg file
    // (should only be 3 characters long)
    $oldColour = fgets($ledborg);
    // Close the LedBorg device
    fclose($ledborg);
    
    // If oldColour matches 3 digits of 0, 1, or 2 (storing each matched digit)...
    if ( preg_match('/^([0-2])([0-2])([0-2])$/', $oldColour, $matches) ) {    
        $red   = $matches[1]; // Get the red setting from the colour string
        $green = $matches[2]; // Get the green setting from the colour string
        $blue  = $matches[3]; // Get the blue setting from the colour string
    }
    
    // Convert the command to upper case (we do not care what case it is)
    $command =     strtoupper($command);
    
    switch($command){
    case "R":              // If the user pressed R
        $red += 1;         // Increase red by 1
        if ($red > 2) {    // Set back to 0 if red is now above 100%
            $red = 0;
        }
        break;
    case "G":              // If the user pressed G
        $green += 1;       // Increase green by 1
        if ($green > 2) {  // Set back to 0 if green is now above 100%
            $green = 0;
        }
        break;
    case "B":              // If the user pressed B
        $blue += 1;        // Increase blue by 1
        if ($blue > 2) {   // Set back to 0 if blue is now above 100%
            $blue = 0;
        }
        break;
    case "1":              // If the user pressed 1...
        $red = 0;          // Set red to off
        $green = 0;        // Set green to off
        $blue = 0;         // Set blue to off
        break;
    case "2":              // If the user pressed 2...
        $red = 1;          // Set red to 50%
        $green = 1;        // Set green to 50%
        $blue = 1;         // Set blue to 50%
        break;
    case "3":              // If the user pressed 3...
        $red = 2;          // Set red to 100%
        $green = 2;        // Set green to 100%
        $blue = 2;         // Set blue to 100%
        break;
    case "I":                // If the user pressed I...
        $red = 2 - $red;     // Set red to its inverse
        $green = 2 - $green; // Set green to its inverse
        $blue = 2 - $blue;   // Set blue to its inverse
        break;
    case "Q":                // If the user pressed Q...
        echo "\nBye ;)\n";
        exit();              // Jump out of the while loop
    case "\3":               // If the user pressed CTRL+C...
        echo "\nBye ;)\n";
        exit();              // Jump out of the while loop
    default;
        echo "\nUnknown option '$command'\n";
    }

    // Create a text string of the form "RGB" from our new values
    $newColour = "$red$green$blue";
    // Open the LedBorg device for writing to
    $ledborg = fopen("/dev/ledborg", "w");
    // Write the colour string to the LedBorg device
    fwrite($ledborg, $newColour);
    // Close the LedBorg device
    fclose($ledborg);
    // Reset the colour
    unset($newColour);

}