/**
	 * Un seul texte
	 */
	
	Dans le fichier customizer.php
		// Header Top Bar Section
		$wp_customize->add_section(
			'twentyseventeen_free_text',
			array(
				'priority'   => 20,
				'title'      => esc_html__( 'Textes libres', 'twentyseventeen' ),
				'panel'      => 'twentyseventeen_additional_options'
			)
		);

		// Header Bar Left Section
		$wp_customize->add_setting(
			'twentyseventeen_free_text_1',
			array(
				'default'            => '',
				'capability'         => 'edit_theme_options',
				'sanitize_callback'  => 'esc_html'
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Control(
				$wp_customize,
				'twentyseventeen_free_text_1',
				array(
					'label'       => esc_html__( 'Texte numéro 1', 'twentyseventeen' ),
					'description' => esc_html__( 'Composez une brève description', 'twentyseventeen' ),
					'section'     => 'twentyseventeen_free_text',
					'setting'	  => 'twentyseventeen_free_text_1',
					'type'		  => 'textarea',
				)
			)
		);

	Dans un fichier view (ex: header.php)
		<?php
		$free_text = get_theme_mod( 'twentyseventeen_free_text_1' );
		echo esc_html($free_text);
		?>
		
	/**
	 * Plusieurs textes
	 */
	Dans le fichier customizer.php
		$wp_customize->add_section(
			'twentyseventeen_free_text',
			array(
				'priority'   => 20,
				'title'      => esc_html__( 'Textes libres', 'twentyseventeen' ),
				'panel'      => 'twentyseventeen_additional_options'
			)
		);

		for ( $i = 1; $i < 5; $i++ ) {
			// Header Bar Left Section
			$wp_customize->add_setting(
				'twentyseventeen_free_text_'.$i,
				array(
					'default'            => '',
					'capability'         => 'edit_theme_options',
					'sanitize_callback'  => 'esc_html'
				)
			);

			$wp_customize->add_control(
				new WP_Customize_Control(
					$wp_customize,
					'twentyseventeen_free_text_'.$i,
					array(
						'label'       => esc_html__( 'Texte numéro '.$i, 'twentyseventeen' ),
						'description' => esc_html__( 'Composez une brève description', 'twentyseventeen' ),
						'section'     => 'twentyseventeen_free_text',
						'setting'	  => 'twentyseventeen_free_text_'.$i,
						'type'		  => 'textarea',
					)
				)
			);
		}	 
	 
	Dans un fichier view (ex: header.php)
	 	<?php
		$free_texts = array();
		for ( $i = 1; $i < 5; $i++ ) {
			$thetext = get_theme_mod('twentyseventeen_free_text_'.$i);
			if($thetext) {
				array_push($free_texts, $thetext);
			}
		}
		$totallogo = count($free_texts);
		if($totallogo > 0){ ?>
				<?php for($j = 0; $j < $totallogo; $j++ ) { ?>
					<?php echo esc_html($free_texts[$j])?><br />
				<?php } ?>
				
		<?php } ?>