Set a default value on a select form element in CakePHP

default-select-cakephp.php

echo  $form->input('field_name', array(
                'type' => 'select',
		'options' => $arrayOfOptions, // typically set from $this->find('list') in controller 
		'label'=> 'Label name here',
		'value' => $arrProjectLeaderDetails['id'],  // specify default value 
		'escape' => false,  // prevent HTML being automatically escaped
		'error' => false,
		'class' => 'input_select_medium'
	));