<h2>File Contents: /home/planet5/www/haylingdentist.co.uk/wp-content/themes/Divi/core/components/api/email/Fields.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/haylingdentist.co.uk/wp-content/themes/Divi/core/components/api/email/Fields.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php


class ET_Core_API_Email_Fields {

	/**
	 * @var ET_Core_Data_Utils
	 */
	protected static $_;

	protected static $_any_custom_field_type_support;
	protected static $_predefined_custom_field_support;

	/**
	 * @var ET_Core_API_Email_Providers
	 */
	protected static $_providers;

	public static $owner;

	protected static function _custom_field_definitions() {
		$readonly_dependency   = &#039;builder&#039; === self::$owner ? &#039;parentModule:provider&#039; : &#039;email_provider&#039;;
		$custom_fields_support = array_keys( self::$_providers-&gt;names_by_slug( &#039;all&#039;, &#039;custom_fields&#039; ) );
		$custom_fields_data    = self::$_providers-&gt;custom_fields_data();
		$fields                = array();

		if ( &#039;bloom&#039; === self::$owner ) {
			$fields = array(
				&#039;use_custom_fields&#039; =&gt; array(
					&#039;label&#039;       =&gt; esc_html__( &#039;Use Custom Fields&#039;, &#039;et_core&#039; ),
					&#039;type&#039;        =&gt; &#039;yes_no_button&#039;,
					&#039;options&#039;     =&gt; array(
						&#039;on&#039;  =&gt; esc_html__( &#039;Yes&#039;, &#039;et_core&#039; ),
						&#039;off&#039; =&gt; esc_html__( &#039;No&#039;, &#039;et_core&#039; ),
					),
					&#039;default&#039;     =&gt; &#039;off&#039;,
					&#039;show_if&#039;     =&gt; array(
						&#039;email_provider&#039; =&gt; $custom_fields_support,
					),
					&#039;allow_dynamic&#039; =&gt; array_keys( self::$_providers-&gt;names_by_slug( &#039;all&#039;, &#039;dynamic_custom_fields&#039; ) ),
					&#039;description&#039;   =&gt; esc_html__( &#039;Enable this option to use custom fields in your opt-in form.&#039;, &#039;et_core&#039; ),
				),
				&#039;custom_fields&#039;     =&gt; array(
					&#039;type&#039;    =&gt; &#039;sortable_list&#039;,
					&#039;label&#039;   =&gt; &#039;&#039;,
					&#039;default&#039; =&gt; &#039;[]&#039;,
				),
				&#039;editing_field&#039;     =&gt; array(
					&#039;type&#039;    =&gt; &#039;skip&#039;,
					&#039;default&#039; =&gt; &#039;off&#039;,
				),
			);
		}

		foreach ( $custom_fields_data as $provider =&gt; $accounts ) {
			foreach ( $accounts as $account =&gt; $lists ) {
				$account_name = str_replace( &#039; &#039;, &#039;&#039;, strtolower( $account ) );
				$key          = &quot;predefined_field_{$provider}_{$account_name}&quot;;

				if ( isset( $lists[&#039;custom_fields&#039;] ) ) {
					// Custom fields are per account
					$fields[ $key ] = self::_predefined_custom_field_select( $lists[&#039;custom_fields&#039;], $provider, $account );
					continue;
				}

				foreach ( $lists as $list_id =&gt; $custom_fields ) {
					// Custom fields are per list
					$key            = &quot;predefined_field_{$provider}_{$account_name}_{$list_id}&quot;;
					$fields[ $key ] = self::_predefined_custom_field_select( $custom_fields, $provider, $account, $list_id );
				}
			}
		}

		$labels = array(
			&#039;link_url&#039;      =&gt; esc_html__( &#039;Link URL&#039;, &#039;et_core&#039; ),
			&#039;link_text&#039;     =&gt; esc_html__( &#039;Link Text&#039;, &#039;et_core&#039; ),
			&#039;link_cancel&#039;   =&gt; esc_html__( &#039;Discard Changes&#039;, &#039;et_core&#039; ),
			&#039;link_save&#039;     =&gt; esc_html__( &#039;Save Changes&#039;, &#039;et_core&#039; ),
			&#039;link_settings&#039; =&gt; esc_html__( &#039;Option Link&#039;, &#039;et_core&#039; ),
		);

		$fields = array_merge( $fields, array(
			&#039;predefined_field&#039; =&gt; array(
				&#039;type&#039;    =&gt; &#039;skip&#039;,
				&#039;default&#039; =&gt; &#039;none&#039;,
			),
			&#039;field_id&#039;         =&gt; array(
				&#039;label&#039;       =&gt; esc_html__( &#039;ID&#039;, &#039;et_core&#039; ),
				&#039;type&#039;        =&gt; &#039;text&#039;,
				&#039;default&#039;     =&gt; &#039;&#039;, // &lt;--- Intentional
				&#039;description&#039; =&gt; esc_html__( &#039;Define a unique ID for this field. You should use only English characters without special characters or spaces.&#039;, &#039;et_core&#039; ),
				&#039;toggle_slug&#039; =&gt; &#039;main_content&#039;,
				&#039;readonly_if&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
			),
			&#039;field_title&#039;      =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Name&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;text&#039;,
				&#039;description&#039;     =&gt; esc_html__( &#039;Set the label that will appear above this field in the opt-in form.&#039;, &#039;et_core&#039; ),
				&#039;toggle_slug&#039;     =&gt; &#039;main_content&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; array( &#039;getresponse&#039;, &#039;sendinblue&#039;, &#039;constant_contact&#039;, &#039;fluentcrm&#039; ),
				),
			),
			&#039;field_type&#039;       =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Type&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;select&#039;,
				&#039;default&#039;         =&gt; &#039;none&#039;,
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;options&#039;         =&gt; array(
					&#039;none&#039;     =&gt; esc_html__( &#039;Choose a field type...&#039;, &#039;et_core&#039; ),
					&#039;input&#039;    =&gt; esc_html__( &#039;Input Field&#039;, &#039;et_core&#039; ),
					&#039;email&#039;    =&gt; esc_html__( &#039;Email Field&#039;, &#039;et_core&#039; ),
					&#039;text&#039;     =&gt; esc_html__( &#039;Textarea&#039;, &#039;et_core&#039; ),
					&#039;checkbox&#039; =&gt; esc_html__( &#039;Checkboxes&#039;, &#039;et_core&#039; ),
					&#039;radio&#039;    =&gt; esc_html__( &#039;Radio Buttons&#039;, &#039;et_core&#039; ),
					&#039;select&#039;   =&gt; esc_html__( &#039;Select Dropdown&#039;, &#039;et_core&#039; ),
				),
				&#039;description&#039;     =&gt; esc_html__( &#039;Choose the type of field&#039;, &#039;et_core&#039; ),
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_any_custom_field_type_support,
				),
			),
			&#039;checkbox_checked&#039; =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Checked By Default&#039;, &#039;et_core&#039; ),
				&#039;description&#039;     =&gt; esc_html__( &#039;If enabled, the check mark will be automatically selected for the visitor. They can still deselect it.&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;hidden&#039;,
				&#039;option_category&#039; =&gt; &#039;layout&#039;,
				&#039;default&#039;         =&gt; &#039;off&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;checkbox&#039;,
				),
			),
			&#039;checkbox_options&#039; =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Options&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;sortable_list&#039;,
				&#039;checkbox&#039;        =&gt; true,
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_any_custom_field_type_support,
				),
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;checkbox&#039;,
				),
				&#039;right_actions&#039;   =&gt; &#039;move|link|copy|delete&#039;,
				&#039;right_actions_readonly&#039; =&gt; &#039;move|link&#039;,
				&#039;labels&#039;          =&gt; $labels,
			),
			&#039;radio_options&#039;    =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Options&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;sortable_list&#039;,
				&#039;radio&#039;           =&gt; true,
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_any_custom_field_type_support,
				),
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;radio&#039;,
				),
				&#039;right_actions&#039;   =&gt; &#039;move|link|copy|delete&#039;,
				&#039;right_actions_readonly&#039; =&gt; &#039;move|link&#039;,
				&#039;labels&#039;          =&gt; $labels,
			),
			&#039;select_options&#039;   =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Options&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;sortable_list&#039;,
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_any_custom_field_type_support,
				),
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;select&#039;,
				),
				&#039;right_actions&#039;   =&gt; &#039;move|copy|delete&#039;,
				&#039;right_actions_readonly&#039; =&gt; &#039;move&#039;,
			),
			&#039;min_length&#039;       =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Minimum Length&#039;, &#039;et_core&#039; ),
				&#039;description&#039;     =&gt; esc_html__( &#039;Leave at 0 to remove restriction&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;range&#039;,
				&#039;default&#039;         =&gt; &#039;0&#039;,
				&#039;unitless&#039;        =&gt; true,
				&#039;range_settings&#039;  =&gt; array(
					&#039;min&#039;  =&gt; &#039;0&#039;,
					&#039;max&#039;  =&gt; &#039;255&#039;,
					&#039;step&#039; =&gt; &#039;1&#039;,
				),
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;input&#039;,
				),
			),
			&#039;max_length&#039;       =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Maximum Length&#039;, &#039;et_core&#039; ),
				&#039;description&#039;     =&gt; esc_html__( &#039;Leave at 0 to remove restriction&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;range&#039;,
				&#039;default&#039;         =&gt; &#039;0&#039;,
				&#039;unitless&#039;        =&gt; true,
				&#039;range_settings&#039;  =&gt; array(
					&#039;min&#039;  =&gt; &#039;0&#039;,
					&#039;max&#039;  =&gt; &#039;255&#039;,
					&#039;step&#039; =&gt; &#039;1&#039;,
				),
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;input&#039;,
				),
			),
			&#039;allowed_symbols&#039;  =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Allowed Symbols&#039;, &#039;et_core&#039; ),
				&#039;description&#039;     =&gt; esc_html__( &#039;You can validate certain types of information by disallowing certain symbols. Symbols added here will prevent the form from being submitted if added by the user.&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;select&#039;,
				&#039;default&#039;         =&gt; &#039;all&#039;,
				&#039;options&#039;         =&gt; array(
					&#039;all&#039;          =&gt; esc_html__( &#039;All&#039;, &#039;et_core&#039; ),
					&#039;letters&#039;      =&gt; esc_html__( &#039;Letters Only (A-Z)&#039;, &#039;et_core&#039; ),
					&#039;numbers&#039;      =&gt; esc_html__( &#039;Numbers Only (0-9)&#039;, &#039;et_core&#039; ),
					&#039;alphanumeric&#039; =&gt; esc_html__( &#039;Alphanumeric Only (A-Z, 0-9)&#039;, &#039;et_core&#039; ),
				),
				&#039;option_category&#039; =&gt; &#039;basic_option&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;show_if&#039;         =&gt; array(
					&#039;field_type&#039; =&gt; &#039;input&#039;,
				),
			),
			&#039;required_mark&#039;    =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Required Field&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;yes_no_button&#039;,
				&#039;option_category&#039; =&gt; &#039;configuration&#039;,
				&#039;default&#039;         =&gt; &#039;on&#039;,
				&#039;options&#039;         =&gt; array(
					&#039;on&#039;  =&gt; esc_html__( &#039;Yes&#039;, &#039;et_core&#039; ),
					&#039;off&#039; =&gt; esc_html__( &#039;No&#039;, &#039;et_core&#039; ),
				),
				&#039;description&#039;     =&gt; esc_html__( &#039;Define whether the field should be required or optional&#039;, &#039;et_core&#039; ),
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;show_if_not&#039;     =&gt; array(
					&#039;email_provider&#039; =&gt; &#039;getresponse&#039;,
				),
			),
			&#039;hidden&#039;           =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Hidden Field&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;yes_no_button&#039;,
				&#039;option_category&#039; =&gt; &#039;configuration&#039;,
				&#039;default&#039;         =&gt; &#039;off&#039;,
				&#039;options&#039;         =&gt; array(
					&#039;on&#039;  =&gt; esc_html__( &#039;Yes&#039;, &#039;et_core&#039; ),
					&#039;off&#039; =&gt; esc_html__( &#039;No&#039;, &#039;et_core&#039; ),
				),
				&#039;description&#039;     =&gt; esc_html__( &#039;Define whether or not the field should be visible.&#039;, &#039;et_core&#039; ),
				&#039;toggle_slug&#039;     =&gt; &#039;field_options&#039;,
				&#039;readonly_if&#039;     =&gt; array(
					$readonly_dependency =&gt; self::$_predefined_custom_field_support,
				),
				&#039;readonly_if_not&#039; =&gt; array(
					$readonly_dependency =&gt; self::$_any_custom_field_type_support,
				),
			),
			&#039;fullwidth_field&#039;  =&gt; array(
				&#039;label&#039;           =&gt; esc_html__( &#039;Make Fullwidth&#039;, &#039;et_core&#039; ),
				&#039;type&#039;            =&gt; &#039;yes_no_button&#039;,
				&#039;option_category&#039; =&gt; &#039;layout&#039;,
				&#039;options&#039;         =&gt; array(
					&#039;on&#039;  =&gt; esc_html__( &#039;Yes&#039;, &#039;et_core&#039; ),
					&#039;off&#039; =&gt; esc_html__( &#039;No&#039;, &#039;et_core&#039; ),
				),
				&#039;tab_slug&#039;        =&gt; &#039;advanced&#039;,
				&#039;toggle_slug&#039;     =&gt; &#039;layout&#039;,
				&#039;description&#039;     =&gt; esc_html__( &#039;If enabled, the field will take 100% of the width of the form, otherwise it will take 50%&#039;, &#039;et_core&#039; ),
				&#039;default&#039;         =&gt; array( &#039;parent:layout&#039;, array(
					&#039;left_right&#039; =&gt; &#039;on&#039;,
					&#039;right_left&#039; =&gt; &#039;on&#039;,
					&#039;top_bottom&#039; =&gt; &#039;off&#039;,
					&#039;bottom_top&#039; =&gt; &#039;off&#039;,
				)),
			),
		) );

		if ( &#039;builder&#039; === self::$owner ) {
			$fields = array_merge( $fields, array(
				&#039;field_background_color&#039;     =&gt; array(
					&#039;label&#039;        =&gt; esc_html__( &#039;Field Background Color&#039;, &#039;et_core&#039; ),
					&#039;description&#039;  =&gt; esc_html__( &quot;Pick a color to fill the module&#039;s input fields.&quot;, &#039;et_core&#039; ),
					&#039;type&#039;         =&gt; &#039;color-alpha&#039;,
					&#039;custom_color&#039; =&gt; true,
					&#039;toggle_slug&#039;  =&gt; &#039;form_field&#039;,
					&#039;tab_slug&#039;     =&gt; &#039;advanced&#039;,
				),
				&#039;conditional_logic&#039;          =&gt; array(
					&#039;label&#039;           =&gt; esc_html__( &#039;Enable&#039;, &#039;et_core&#039; ),
					&#039;type&#039;            =&gt; &#039;yes_no_button&#039;,
					&#039;option_category&#039; =&gt; &#039;layout&#039;,
					&#039;default&#039;         =&gt; &#039;off&#039;,
					&#039;options&#039;         =&gt; array(
						&#039;on&#039;  =&gt; esc_html__( &#039;Yes&#039;, &#039;et_core&#039; ),
						&#039;off&#039; =&gt; esc_html__( &#039;No&#039;, &#039;et_core&#039; ),
					),
					&#039;description&#039;     =&gt; et_get_safe_localization( __( &quot;Enabling conditional logic makes this field only visible when any or all of the rules below are fulfilled&lt;br&gt;&lt;strong&gt;Note:&lt;/strong&gt; Only fields with an unique and non-empty field ID can be used&quot;, &#039;et_core&#039; ) ),
					&#039;toggle_slug&#039;     =&gt; &#039;conditional_logic&#039;,
				),
				&#039;conditional_logic_relation&#039; =&gt; array(
					&#039;label&#039;           =&gt; esc_html__( &#039;Relation&#039;, &#039;et_core&#039; ),
					&#039;type&#039;            =&gt; &#039;yes_no_button&#039;,
					&#039;option_category&#039; =&gt; &#039;layout&#039;,
					&#039;options&#039;         =&gt; array(
						&#039;on&#039;  =&gt; esc_html__( &#039;All&#039;, &#039;et_core&#039; ),
						&#039;off&#039; =&gt; esc_html__( &#039;Any&#039;, &#039;et_core&#039; ),
					),
					&#039;default&#039;         =&gt; &#039;off&#039;,
					&#039;button_options&#039;  =&gt; array(
						&#039;button_type&#039; =&gt; &#039;equal&#039;,
					),
					&#039;description&#039;     =&gt; esc_html__( &#039;Choose whether any or all of the rules should be fulfilled&#039;, &#039;et_core&#039; ),
					&#039;toggle_slug&#039;     =&gt; &#039;conditional_logic&#039;,
					&#039;show_if&#039;         =&gt; array(
						&#039;conditional_logic&#039; =&gt; &#039;on&#039;,
					),
				),
				&#039;conditional_logic_rules&#039;    =&gt; array(
					&#039;label&#039;           =&gt; esc_html__( &#039;Rules&#039;, &#039;et_core&#039; ),
					&#039;description&#039;     =&gt; esc_html__( &#039;Conditional logic rules can be used to hide and display different input fields conditionally based on how the visitor has interacted with different inputs.&#039;, &#039;et_core&#039; ),
					&#039;type&#039;            =&gt; &#039;conditional_logic&#039;,
					&#039;option_category&#039; =&gt; &#039;layout&#039;,
					&#039;depends_show_if&#039; =&gt; &#039;on&#039;,
					&#039;toggle_slug&#039;     =&gt; &#039;conditional_logic&#039;,
					&#039;show_if&#039;         =&gt; array(
						&#039;conditional_logic&#039; =&gt; &#039;on&#039;,
					),
				),
			) );
		}

		if ( &#039;bloom&#039; === self::$owner ) {
			foreach ( $fields as $field_slug =&gt; &amp;$field ) {
				if ( &#039;use_custom_fields&#039; !== $field_slug ) {
					self::$_-&gt;array_set( $field, &#039;show_if.use_custom_fields&#039;, &#039;on&#039; );
				}
			}
		}

		return $fields;
	}

	protected static function _predefined_custom_field_select( $custom_fields, $provider, $account_name, $list_id = &#039;&#039; ) {
		$is_builder = &#039;builder&#039; === self::$owner;
		$is_bloom   = &#039;bloom&#039; === self::$owner;
		$dependency = $is_builder ? &#039;parentModule:provider&#039; : &#039;email_provider&#039;;
		$show_if    = array(
			$dependency =&gt; $provider,
		);

		if ( $is_bloom ) {
			$show_if[&#039;account_name&#039;] = $account_name;
		}

		if ( $list_id &amp;&amp; $is_builder ) {
			$dependency             = &quot;parentModule:{$provider}_list&quot;;
			$show_if[ $dependency ] = &quot;{$account_name}|{$list_id}&quot;;
		} else if ( $list_id &amp;&amp; $is_bloom ) {
			$show_if[&#039;email_list&#039;] = (string) $list_id;
		}

		$options = array( &#039;none&#039; =&gt; esc_html__( &#039;Choose a field...&#039;, &#039;et_core&#039; ) );

		foreach ( $custom_fields as $field ) {
			$field_id             = isset( $field[&#039;group_id&#039;] ) ? $field[&#039;group_id&#039;] : $field[&#039;field_id&#039;];
			$options[ $field_id ] = $field[&#039;name&#039;];
		}

		return array(
			&#039;label&#039;       =&gt; esc_html__( &#039;Field&#039;, &#039;et_core&#039; ),
			&#039;type&#039;        =&gt; &#039;select&#039;,
			&#039;options&#039;     =&gt; $options,
			&#039;order&#039;       =&gt; array_keys( $options ),
			&#039;show_if&#039;     =&gt; $show_if,
			&#039;toggle_slug&#039; =&gt; &#039;main_content&#039;,
			&#039;default&#039;     =&gt; &#039;none&#039;,
			&#039;description&#039; =&gt; esc_html__( &#039;Choose a custom field. Custom fields must be defined in your email provider account.&#039;, &#039;et_core&#039; ),
		);
	}

	/**
	 * Get field definitions
	 *
	 * @since 3.10
	 *
	 * @param string $type Accepts &#039;custom_field&#039;
	 * @param string $for Accepts &#039;builder&#039;, &#039;bloom&#039;
	 *
	 * @return array
	 */
	public static function get_definitions( $for, $type = &#039;custom_field&#039; ) {
		self::$owner = $for;
		$fields      = array();

		if ( &#039;custom_field&#039; === $type ) {
			$fields = self::_custom_field_definitions();
		}

		return $fields;
	}

	public static function initialize() {
		self::$_          = ET_Core_Data_Utils::instance();
		self::$_providers = ET_Core_API_Email_Providers::instance();

		self::$_predefined_custom_field_support = array_keys( self::$_providers-&gt;names_by_slug( &#039;all&#039;, &#039;predefined_custom_fields&#039; ) );
		self::$_any_custom_field_type_support   = self::$_providers-&gt;names_by_slug( &#039;all&#039;, &#039;any_custom_field_type&#039; );
	}
}


ET_Core_API_Email_Fields::initialize();
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