Yet another data generator.
require 'datagenerator.php';
$dgen = new \RandomDataGenerator\DataGenerator();
$dgen->addField('username', new \RandomDataGenerator\AlphabetField(6, 12));
$dgen->addField('age', new \RandomDataGenerator\IntegerField(10, 30));
$dgen->addField('weight', new \RandomDataGenerator\DoubleField(50, 80, 2));
$dgen->addField('sex', new \RandomDataGenerator\SetField(array('Male', 'Female')));
print_r($dgen->generate());