Matador Jobs add a company/site logo to Job JSON+LD

matador_jobs_add_logo_to_job_structured_data.php

<?php
/**
 * Add Logo to Job Structured Data (JSON+LD)
 *
 * @see https://matadorjobs.com/support/documentation/add-a-logo-to-google-for-jobs-listings/
 * 
 * @param array $ld the Job Structured Data before save.
 * @return array $ld the modified Job Structured Data for saving.
 */
function mj_add_logo_to_job_jsonld( $ld ) {
  
  // Use any image file larger than 114px x 114px.
  // Consider using the site icon function.
  
  $icon = 'https://yoursite.com/path/to/default-icon.png';
  
  if ( has_site_icon() ) {
    $icon = get_site_icon_url();
  }
  
  if ( $icon ) {
    $ld['hiringOrganization']['logo'] = $icon;
  }
  
  return $ld;
}
add_action( 'matador_bullhorn_import_save_job_jsonld', 'mj_add_logo_to_job_jsonld' );