unrealmanu / ezfielditerator

ezFieldIterator

Filter "Content Class -Fields-" with specific value type instance

Instructions

Create new Filters().

 $fieldHelper = new Filters();

Set the Content need to filter fields

• support only "eZ\Publish\API\Repository\Values\Content\Content"
• Single $content or Array [$content, $content, $content]

$fieldHelper->setContent($content);

Choose the filter "value class" instance

• Choose single or multiple instance of class for filtering the content

use eZ\Publish\Core\FieldType\Image\Value as ImageValue;
use eZ\Publish\Core\FieldType\RichText\Value as RichTextValue;
use eZ\Publish\Core\FieldType\TextBlock\Value as TextBlockValue;
use eZ\Publish\Core\FieldType\TextLine\Value as TextLineValue;

• Single Value::class or [ValueA::class, ValueB::class, ValueC::class]

$fieldHelper->setClass(ImageValue::class);

• Field name from get value (Required)

$fieldHelper->setValueField('uri');

Example

use unrealmanu\ezFieldIterator\Filters as FieldHelper;

/**
* @return string|null
*/
function myFilter():?string
{
    $fieldHelper = new FieldHelper();
    $fieldHelper->setContent($content);
    $fieldHelper->setClass(ImageValue::class);
    $fieldHelper->setValueField('uri');

    return $fieldHelper->getFirstChildren();
    //return $fieldHelper->getChildren();
}

Real World application

• Get all images of "contents array" for image-sitemap
• Get first image/text of "contents array" for search-indexing
• Get all text field of Content for generate list of Tag/Description etc
• Use your creativity :)