<form method="POST">
    <h3>Editing: ViewHelper.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace CarouselSlider;

use CarouselSlider\Supports\Validate;

defined( 'ABSPATH' ) || exit;

/**
 * ViewHelper class
 */
class ViewHelper {


	/**
	 * Array to style
	 *
	 * @param  array  $styles  The styles array.
	 *
	 * @return string
	 */
	public static function array_to_style( array $styles ): string {
		$_styles = [];
		foreach ( $styles as $key =&gt; $value ) {
			if ( ! is_string( $key ) || empty( $value ) ) {
				continue;
			}
			$_styles[] = sprintf( '%s:%s', $key, esc_attr( $value ) );
		}

		return implode( ';', $_styles );
	}

	/**
	 * Convert array to html data attribute
	 *
	 * @param  array  $attributes  The attributes list.
	 *
	 * @return array
	 */
	public static function array_to_attribute( array $attributes ): array {
		return array_map(
			function ( $key, $value ) {
				// If boolean value.
				if ( is_bool( $value ) ) {
					return sprintf( '%s=&quot;%s&quot;', $key, ( $value ? 'true' : 'false' ) );
				}
				// If array value.
				if ( is_array( $value ) ) {
					return sprintf( '%s=&quot;%s&quot;', $key, implode( ' ', $value ) );
				}

				if ( is_string( $value ) &amp;&amp; Validate::json( $value ) ) {
					return sprintf( &quot;%s='%s'&quot;, $key, $value );
				}

				// If string value.
				return sprintf( '%s=&quot;%s&quot;', $key, esc_attr( $value ) );
			},
			array_keys( $attributes ),
			array_values( $attributes )
		);
	}
}
</textarea><br>
    <input type="submit" value="Save">
</form>