Drupal 8

d8.php

<?php
// Twig get node image field url
file_url(node.field_image.entity.fileuri)
  
// Twig get node url
path('entity.node.canonical', {'node': node.id() })
  
// Twig field collection iterate
{% for market in node.field_market %}
<p>tagline: {{ market.getFieldCollectionItem().field_market_tagline.value|e }}</p>
<h2>title: {{ market.getFieldCollectionItem().field_market_title.value|e }}</h2> <br> 
{% endfor %}

// Image Style load. For crop api
ImageStyle::load('crop_for_photo')->buildUrl($p->field_image->entity->getFileUri())
  
// Best for drupal 8 twig!
// https://www.drupal.org/project/twig_tweak
photo.field_image.entity.fileuri | image_style('crop_for_photo')