Strategy.
People.
Delivery.

This helper combines the property’s booking destination with the offer’s promotion code. The underlying URL builder preserves existing search details.

function es_get_booking_url( $post_id ) {
	return es_add_promo_to_booking_url( es_get_booking_base_url( $post_id ), es_get_promo_code( $post_id ) );
}

Selected source: extra-special.php

A simple quality check prevents impossible calendar dates from being saved as vacancy deadlines.

    if ($fields['closing_date'] !== '') { $close = new DateTimeImmutable($fields['closing_date'] . ' 23:59:59', wp_timezone()); $data['validThrough']=$close->setTimezone(new DateTimeZone('UTC'))->format('c'); }
    return apply_filters('ecs_jobposting_data', $data, $post, $fields);
}
function ecs_jobposting_description($fields) {
    $paragraphs=array();
    foreach(array('summary'=>'','responsibilities'=>'Key responsibilities','qualifications'=>'Qualifications','experience'=>'Experience','skills'=>'Skills and attributes','systems'=>'Systems and tools','conditions'=>'Working conditions','eligibility'=>'Work eligibility','benefits'=>'Benefits','equity'=>'Employment equity','shortlist_notice'=>'Please note') as $key=>$label) {
        $value=trim((string)($fields[$key]??'')); if($value==='')continue;
        $lines=array_values(array_filter(array_map('trim',preg_split('/\r\n|\r|\n/',$value)),function($line){return $line!=='';}));
        if($key==='summary') { foreach($lines as $line)$paragraphs[]='<p>'.esc_html($line).'</p>'; continue; }
        $paragraphs[]='<p><strong>'.esc_html($label).'</strong></p><ul>'.implode('',array_map(function($line){return '<li>'.esc_html(preg_replace('/^\s*[-•]\s*/u','',$line)).'</li>';},$lines)).'</ul>';
    }

Selected source: includes/studio.php