wpdb::process_field_formats( array $data, string[]|string $format ): array

Source

 *     @type mixed  $value  The value to be formatted.
 *     @type string $format The format to be mapped to the value.
 * }
 */
protected function process_field_formats( $data, $format ) {
	$formats          = (array) $format;
	$original_formats = $formats;

	foreach ( $data as $field => $value ) {
		$value = array(
			'value'  => $value,
			'format' => '%s',
		);

		if ( ! empty( $format ) ) {
			$value['format'] = array_shift( $formats );
			if ( ! $value['format'] ) {
				$value['format'] = reset( $original_formats );
			}
		} elseif ( isset( $this->field_types[ $field ] ) ) {
			$value['format'] = $this->field_types[ $field ];
		}

		$data[ $field ] = $value;

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