Hello,

I want to do a page with form who contain multiple file. I use ZF2 and Collection with the possibility to add a new and remove....
When submit it not take erros and not save the image to the repertory ....

My Form :
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    <?php
    namespace User\Form;
 
    use Zend\InputFilter;
 
    use Zend\Captcha;
    use Zend\Form\Element;
    use Zend\Form\Form;
 
    class DiaporamaForm extends Form
    {
        private $_numFileElements = 1;
 
        public function _($str)
        {
            return $str;
        }
 
        public function getMaxImages()
        {
            return $this->_numFileElements;
        }
 
        public function __construct($nbImagesMax = 1)
        {
            parent::__construct('diaporama');
 
            $this->_numFileElements = $nbImagesMax;
 
 
            $this->setAttribute('method', 'post');
            $this->setAttribute('enctype', 'multipart/form-data');
            $this->setAttribute('novalidate', 'novalidate');
 
            $this->setAttribute('autocomplete', 'off');
 
            $this->addElements();
            $this->setInputFilter($this->createInputFilter());
        }
 
        public function addElements()
        {
            $this->add(array(
                'name' => 'id',
                'type' => 'Zend\Form\Element\Hidden',
                'attributes' => array(),
                'options' => array(
                    'label' => $this->_('Identifiant of the diaporama'),
                    //'column-size' => 'sm-10',
                    //'label_attributes' => array('class' => 'col-sm-2')
                ),
            ));
 
            $this->add(array(
                'name' => 'idUser',
                'type' => 'Zend\Form\Element\Hidden',
                'attributes' => array(
                    'required' => 'required',
                ),
                'options' => array(
                    'label' => $this->_('Identification of user'),
                    //'column-size' => 'sm-10',
                    //'label_attributes' => array('class' => 'col-sm-2')
                ),
            ));
 
            $this->add(array(
                'name' => 'titreDiapo',
                'type' => 'Zend\Form\Element\Text',
                'attributes' => array(
                    'required' => 'required',
                ),
                'options' => array(
                    'label' => $this->_('Name of the diaporama'),
                    //'column-size' => 'sm-10',
                    //'label_attributes' => array('class' => 'col-sm-2')
                ),
            ));
 
            $this->add(array(
                'name' => 'role',
                'type' => 'Zend\Form\Element\Radio',
                'attributes' => array(
                    'required' => 'required',
                    'value' => 'Public',
                ),
                'options' => array(
                    'label' => $this->_('Status'),
                    'value_options' => array(
                        'Private' => $this->_('Private'),
                        'Public' => $this->_('Public'),
                    ),
                    //'column-size' => 'sm-10',
                    //'label_attributes' => array('class' => 'col-sm-2')
                ),
            ));
 
            // File Input
            $file = new Element\File('file');
            $file->setLabel($this->_('Titre of the imege'));
            $file->setAttribute("class", "fielsetFile upload");
            $file->setAttribute("required", false);
 
 
            $this->add(array(
                'type' => 'Zend\Form\Element\Collection',
                'name' => 'file-collection',
                'attributes' => array(
                    'class' => "fielsetFile form-control"
                ),
                'options' => array(
                    'label' => $this->_('New image'),
                    'help-block' => $this->_("We accept only the following formats: 'jpg', 'jpeg', 'png' and 'gif'"),
                    'count' => $this->_numFileElements,
                    'should_create_template' => true,
                    'allow_add' => true,
                    'allow_remove' => true,
                    'template_placeholder' => '__file-collection__',
                    'target_element' => $file
                ),
            ));
 
            for( $i=0; $i < $this->_numFileElements; $i++ ) {
                $this->add(array(
                    'name' => 'titre_'.$i,
                    'type' => 'Zend\Form\Element\Text',
                    'attributes' => array(
                        'id' => "titre_".$i,
                        'class' => "fielsetFile form-control"
                    ),
                    'options' => array(
                        'label' => $this->_('Titre of the imege'),
                        //'column-size' => 'sm-10',
                        //'label_attributes' => array('class' => 'col-sm-2')
                    ),
                ));
                $this->add(array(
                    'name' => 'commentaire_'.$i,
                    'type' => 'Zend\Form\Element\Textarea',
                    'attributes' => array(
                        'id' => 'commentaire_'.$i,
                        'class' => "fielsetFile editor form-control"
                    ),
                    'options' => array(
                        'label' => $this->_('Comment'),
                        //'column-size' => 'sm-10',
                        //'label_attributes' => array('class' => 'col-sm-2')
                    ),
                ));
            )
 
            $this->add(array(
                'name' => 'back',
                'type' => 'button',
                'attributes' => array('type' => 'submit'),
                'options' => array(
                    'label' => $this->_('Back'),
                    'column-size' => 'sm-10 col-sm-offset-2'
                )
            ));
 
            $this->add(array(
                'name' => 'submit',
                'type' => 'button',
                'attributes' => array('type' => 'submit', 'class' => 'btn-primary'),
                'options' => array(
                    'label' => $this->_('Validate'),
                    'column-size' => 'sm-10 col-sm-offset-2'
                )
            ));
        }
 
        public function createInputFilter()
        {
            $inputFilter = new InputFilter\InputFilter();
 
            // ici le nombre de fichiers à uploader
            // 
            // File Collection
            $fileCollection = new InputFilter\InputFilter();
            for ($i = 0; $i < $this->_numFileElements; $i++) {
                $file = new InputFilter\FileInput($i);
                //$file->setRequired(false);
                $file->setRequired(true);
                $file->getFilterChain()->attachByName(
                    'filerenameupload',
                    array(
                        'target' => './data/diaporamas/',
                        'overwrite' => true,
                        'use_upload_name' => true,
                        'randomize'       => true
                    )
                );
                $fileCollection->add($file);
            }
            $inputFilter->add($fileCollection, 'file-collection');
 
 
            // Text Input
            $idUser = new InputFilter\Input('idUser');
            $idUser->setRequired(true);
            $inputFilter->add($idUser);
 
            $titreDiapo = new InputFilter\Input('titreDiapo');
            $titreDiapo->setRequired(true);
            $inputFilter->add($titreDiapo);
 
            return $inputFilter;
        }
 
    }
The Input filter seems indicate the destination but why not upload ????

I do the same that the exemple :https://github.com/cgmartin/ZF2FileUploadExamples

Thanks for help