Done Genome serialization/unserialization [Genome::serialize()] + [Genome::unserialize(String)]

build/neuralnetwork/core/Genome.php

@@ -4,7 +4,7 @@
 
 	use filemanager\core\FileManager;
 
-	class Genome/* implements \Serializable*/{
+	class Genome implements \Serializable{
 
 		/************************************************
 		****                Constants                ****
@@ -20,6 +20,10 @@
 		public $synapses; // Synapses between neurons
 
 
+		/************************************************
+		****           Genome Construction           ****
+		************************************************/
+
 		/* CONSTRUCTOR
 		*
 		* -- RANDOM CREATION --
@@ -146,6 +150,10 @@
 		}
 
 
+		/************************************************
+		****              Genome Actions             ****
+		************************************************/
+
 		/* APPLIES A MUTATION ON THE Genome WITH A SPECIFIC @threshold
 		*
 		* @threshold<double> 									Mutation threshold
@@ -186,6 +194,60 @@
 			for( $i = 0, $l = count($iSynapses) ; $i < $l ; $i++ )
 				$this->synapses[$iSynapses[$i]] = rand(self::MIN, self::MAX) / self::MAX;
 		}
+
+
+		/************************************************
+		****              Serialization              ****
+		************************************************/
+
+		/* SERIALIZES A Genome
+		*
+		* @return serialized<String> 							Serialized representation of the Genome
+		*
+		*/
+		public function serialize(){
+			/* (1) Initialize result */
+			$csv = '';
+
+			/* (2) Adds global attributes */
+			$csv .= $this->layers .';';
+
+			/* (3) Adds neurons data */
+			$csv .= implode(',', $this->neurons) .';';
+
+			/* (4) Adds synapses data */
+			$csv .= implode(',', $this->synapses);
+
+			return $csv;
+		}
+
+
+		/* BUILDS A Genome BASED ON HIS SERIALIZED REPRESENTATION
+		*
+		* @serialized<String> 									Serialized representation of a Genome
+		*
+		*/
+		public function unserialize($serialized){
+			/* (1) Segmenting data */
+			$segments = explode(';', $serialized);
+
+			// Manage segmentation error
+			if( count($segments) < 3 )
+				throw new \Error('Format error during Genome unserialization.');
+
+			/* (2) Get global attributes */
+			if( !is_numeric($segments[0]) )
+				throw new \Error('Format error during Genome unserialization.');
+
+			$this->layers = intval($segments[0]);
+
+			/* (3) Get neurons values */
+			$this->neurons = explode(',', $segments[1]);
+
+			/* (4) Get synapses values */
+			$this->synapses = explode(',', $segments[2]);
+		}
+
 	}
 
 

public/main.php

@@ -45,31 +45,22 @@
 		/* (1) Basic Creation */
 		$a = new Genome(2, 3); // 2 layers of 3 neurons each -> randomly filled
 
-		echo "A neurons\n";
+		echo "A : ".$a->serialize()."\n";
-		echo implode(' ; ', $a->neurons)."\n";
-		echo "A synapses\n";
-		echo implode(' ; ', $a->synapses)."\n\n";
 
 		/* (2) Inheritance */
 		$b = new Genome($a);   // Clone of @aecho "A neurons\n";
-		echo "A's clone neurons\n";
+		echo "cloning A to B\n";
-		echo implode(' ; ', $b->neurons)."\n";
+		echo "B : ".$b->serialize()."\n";
-		echo "A's clone synapses\n";
-		echo implode(' ; ', $b->synapses)."\n\n";
 
 		/* (3) Section Title */
 		$b->mutation(0.3); // @b has now mutated with a threshold of 30%
-		echo "mutated clone neurons\n";
+		echo "mutate B\n";
-		echo implode(' ; ', $b->neurons)."\n";
+		echo "B : ".$b->serialize()."\n";
-		echo "mutated clone synapses\n";
-		echo implode(' ; ', $b->synapses)."\n\n";
 
 		/* (4) Cross-over (father+mother) */
 		$c = new Genome($a, $b); // @c is a randomly-done mix of @a and @b
-		echo "A+B neurons\n";
+		echo "crossover : A+B -> C\n";
-		echo implode(' ; ', $c->neurons)."\n";
+		echo "C : ".$c->serialize()."\n";
-		echo "A+B synapses\n";
-		echo implode(' ; ', $c->synapses)."\n\n";
 	}