Sindbad~EG File Manager

<?php
/* @param string $meta Meta name.
 * @param array $details Contains the details for the field.
 * @param string $value Contains input value;
 * @param string $context Context where the function is used. Depending on it some actions are preformed.;
 * @return string $element input element html string. */

$element .= '<select name="'. $single_prefix . esc_attr( Wordpress_Creation_Kit_PB::wck_generate_slug( $details['title'], $details ) ) .'"  id="';
if( !empty( $frontend_prefix ) )
    $element .= $frontend_prefix;
$element .= esc_attr( Wordpress_Creation_Kit_PB::wck_generate_slug( $details['title'], $details ) ) .'" class="mb-select mb-field" >';

if( !empty( $details['default-option'] ) && $details['default-option'] )
    $element .= '<option value="">'. __('...Choose', 'profile-builder') .'</option>';

$field_name = Wordpress_Creation_Kit_PB::wck_generate_slug( $details['title'], $details );

// we're passing this further to a function. Need to make sure it exists so we don't get a notice.
if( empty( $details['value'] ) ){
    $details['value'] = false;
}

$options = '';
if( !empty( $details['options'] ) && !Wordpress_Creation_Kit_PB::wck_is_multi( $details['options'] ) ){
    $i = 0;
    foreach( $details['options'] as $option ){

        $optionOutput = Wordpress_Creation_Kit_PB::wck_generate_select_option($option, $details['value'], $i, $value);
        $options .= apply_filters( "wck_select_{$meta}_{$field_name}_option_{$i}", $optionOutput, $i);

        $i++;
    }
} elseif( !empty( $details['options'] ) ){
    $i = 0;
    foreach($details['options']['optgroups'] as $optgroup){
        if(!empty($optgroup['options'])) {
            $options .= '<optgroup label="' . $optgroup['label'] . '">';
            foreach($optgroup['options'] as $option ){
                $optionOutput = Wordpress_Creation_Kit_PB::wck_generate_select_option($option, $details['value'], $i, $value);
                $options .= apply_filters( "wck_select_{$meta}_{$field_name}_option_{$i}", $optionOutput, $i);

                $i++;
            }
            $options .= '</optgroup>';
        }
    }
}

$element .= apply_filters( "wck_select_{$meta}_{$field_name}_options", $options );
$element .= '</select>';