Initial version.

class.EnerGenieSwitcher.php

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+<?php
+class EnerGenieSwitcher {
+	const ON = 1;
+	const OFF = 0;
+
+	private $debug = false;
+
+	/**
+	 * Check prerequisites and set-up
+	 */
+	public function __construct($ip, $debug=false) {
+		if(!extension_loaded('curl')) { die('Fatal error: CURL extension needed.'); }
+		$this->ip = $ip;
+		$this->debug = $debug;
+	}
+
+	/**
+	 * Do the switch
+	 */
+	public function doSwitch($switches) {
+		foreach($switches as $port => $state) {
+			$ports = array(1 => '', 2 => '', 3 => '', 4 => '');
+			$ports[$port] = $state;
+			$params = array();
+			foreach($ports as $port => $state) {
+				if(in_array($state, array(self::ON, self::OFF))) {
+					$params['cte'.$port] = $state;
+				}
+			}
+			$this->post_request('http://'.$this->ip, $params);
+		}
+	}
+
+	function post_request($url, $fields) {
+		$fields_string = '';
+		foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
+		rtrim($fields_string, '&');
+		//open connection
+		$ch = curl_init();
+
+		// configure
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, 5000);
+		//set the url, number of POST vars, POST data
+		curl_setopt($ch,CURLOPT_URL, $url);
+		curl_setopt($ch,CURLOPT_POST, count($fields));
+		curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);
+
+		//execute post
+		$result = curl_exec($ch);
+		if($this->debug === true) { echo "Calling " . $url . '?' . $fields_string . "\n"; }
+
+		//close connection
+		curl_close($ch);
+	}
+}

test.php

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+<?php
+require_once dirname(__FILE__) . '/class.EnerGenieSwitcher.php';
+$egs = new EnerGenieSwitcher('10.49.0.103', true);
+$egs->doSwitch(array(
+	1 => EnerGenieSwitcher::ON,
+	2 => EnerGenieSwitcher::OFF,
+	3 => EnerGenieSwitcher::ON,
+	4 => EnerGenieSwitcher::OFF
+));