protected function build_sorter( $heading = '' ) {
		$out = '';
		$out .= '<label class="qm-th">';
		$out .= '<span class="qm-sort-heading">';

		if ( '#' === $heading ) {
			$out .= '<span class="qm-screen-reader-text">' . esc_html__( 'Sequence', 'query-monitor' ) . '</span>';
		} elseif ( $heading ) {
			$out .= esc_html( $heading );
		}

		$out .= '</span>';
		$out .= '<button class="qm-sort-controls" aria-label="' . esc_attr__( 'Sort data by this column', 'query-monitor' ) . '">';
		$out .= '<span class="qm-sort-arrow" aria-hidden="true"></span>';
		$out .= '</button>';
		$out .= '</label>';
		return $out;
	}
protected function build_sorter( $heading = '' ) {
		$out = '';
		$out .= '<label class="qm-th">';
		$out .= '<span class="qm-sort-heading">';

		if ( '#' === $heading ) {
			$out .= '<span class="qm-screen-reader-text">' . esc_html__( 'Sequence', 'query-monitor' ) . '</span>';
		} elseif ( $heading ) {
			$out .= esc_html( $heading );
		}

		$out .= '</span>';
		$out .= '<button class="qm-sort-controls" aria-label="' . esc_attr__( 'Sort data by this column', 'query-monitor' ) . '">';
		$out .= '<span class="qm-sort-arrow" aria-hidden="true"></span>';
		$out .= '</button>';
		$out .= '</label>';
		return $out;
	}
protected function build_sorter ( $ heading = '' ) { $ out = '' ; $ out .= '<label class="qm-th">' ; $ out .= '<span class="qm-sort-heading">' ; if ( '#' === $ heading ) { $ out .= '<span class="qm-screen-reader-text">' . esc_html__ ( 'Sequence' , 'query-monitor' ) . '</span>' ; } elseif ( $ heading ) { $ out .= esc_html ( $ heading ) ; } $ out .= '</span>' ; $ out .= '<button class="qm-sort-controls" aria-label="' . esc_attr__ ( 'Sort data by this column' , 'query-monitor' ) . '">' ; $ out .= '<span class="qm-sort-arrow" aria-hidden="true"></span>' ; $ out .= '</button>' ; $ out .= '</label>' ; return $ out ; }
Returns the column sorter controls. Safe for output.

@param string $heading Heading text for the column. Optional.
@return string Markup for the column sorter controls.
Returns the column sorter controls . Safe for output .