Get SCV file contents for use in a PHP template.

get-scv-contents.php

<?php

/**
 * Setup class.
 */
class Setup {

	/**
	 * Return only one instance of Setup.
	 *
	 * @return Setup
	 */
	public static function get_instance() {
		static $instance;
		if ( empty( $instance ) ) {
			$instance = new self();
		}

		return $instance;
	}

	/**
	 * Add Hooks and Actions
	 */
	protected function __construct() {
	}

	/**
	 * Get plugin dir path (memoized).
	 *
	 * @return string
	 */
	public function get_plugin_path() {
		static $path;
		if ( empty( $path ) ) {
			$path = plugin_dir_path( __FILE__ );
		}

		return $path;
	}

	/**
	 * Get an SVG file's contents from the src/img directory by filename.
	 *
	 * @param string $filename The filename of the svg including the extension.
	 *
	 * @return string
	 */
	public function get_svg_contents( $filename ) {
		$icon_file_path = $this->get_plugin_path() . 'src/img/' . $filename;

		if ( file_exists( $icon_file_path ) ) {
			// phpcs:ignore WordPressVIPMinimum.Performance.FetchingRemoteData.FileGetContentsUnknown
			$contents = file_get_contents( $icon_file_path );

			return $contents ? $contents : '';
		}

		return '';
	}
}