Lejban

/** * PHPredict *  * A word predictor class *  */class phpredict {    var $_predictionTable = array();    function phpredict() {    	    }    function parse($line) {        $words = explode(' ', $line);        if(count($words) > 2) {        	$current3WordList = array(array_shift($words), array_shift($words), array_shift($words));            $this->parse3WordList($current3WordList);            if(count($words) > 0) {        	    foreach($words as $word) {            	   array_shift($current3WordList);                   array_push($current3WordList, $word);                   $this->parse3WordList($current3WordList);                }            }        }    }    function parse3WordList($words)    {    	if(!isset($this->_predictionTable[$words[0]])) {            $this->_predictionTable[$words[0]] = array();        }        if(!isset($this->_predictionTable[$words[0]][$words[1]])) {            $this->_predictionTable[$words[0]][$words[1]] = array();        }        if(!isset($this->_predictionTable[$words[0]][$words[1]][$words[2]])) {            $this->_predictionTable[$words[0]][$words[1]][$words[2]] = 1;        } else {            $this->_predictionTable[$words[0]][$words[1]][$words[2]]++;        }    }    function predict($line) {        $words = explode(' ', $line);        if(count($words) < 2) {        	return 'I need two words to predict';        }        $words = array_slice($words, -2, 2);        if(isset($this->_predictionTable[$words[0]])) {            if(isset($this->_predictionTable[$words[0]][$words[1]])) {                $maxCount = 0;                foreach($this->_predictionTable[$words[0]][$words[1]] as $word => $count) {                	if($count > $maxCount) {                		$predictedWord = $word;                        $maxCount = $count;                	}                }                return $predictedWord;            } else {            	return 'I dont know';            }        } else {            return 'I dont know';        }    }    function console() {    	    	$line = '';        while($line != 'exit') {            echo 'PHPredict console# ';        	$line = trim(fgets(STDIN));            if($line == 'debug') {            	print_r($this);            } elseif($line == 'predict') {            	            	echo 'Predict: ';                $lineIn = trim(fgets(STDIN));                echo 'Predicted: ' . $lineIn . ' ' . $this->predict($lineIn);                echo "\n";            } else {            	$this->parse($line);            }                    }    }}$phpredict = new phpredict();$phpredict->console();