public function output() {

		global $post;

		parent::output();

		// Clear an invalid value, usually from a clone or import.
		if (
			is_numeric( $this->meta ) &&
			isset( $this->field['min'] ) &&
			is_numeric( $this->field['min'] ) &&
			$this->field['min'] > 0 &&
			$this->meta < $this->field['min'] ) {
			$this->meta = '';
		}
		?>

		<input type="number"
			<?php if ( isset( $this->field['min'] ) ) : ?>
			min="<?php echo esc_attr( $this->field['min'] ); ?>"
			<?php endif; ?>
			<?php if ( isset( $this->field['max'] ) ) : ?>
			max="<?php echo esc_attr( $this->field['max'] ); ?>"
			<?php endif; ?>
			name="<?php echo esc_attr( $this->field['id'] ); ?>"
			id="<?php echo esc_attr( $this->field['id'] ); ?>"
			class="<?php echo esc_attr( $this->field['class'] ); ?>"
			value="<?php echo esc_attr( $this->meta ); ?>"
			size="30"
			<?php if ( isset( $this->field['step'] ) ) : ?>
			step="<?php echo esc_attr( $this->field['step'] ); ?>"
			<?php endif; ?>
			<?php if ( isset( $this->field['required'] ) && $this->field['required'] ) : ?>
			required="required"
			<?php endif; ?>
		/>

		<?php
		parent::close_output();
	}