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wp-content/plugins/visual-regression-tests/includes/autoload.php

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+<?php
+/**
+ * Autoload Core Classes.
+ *
+ * Custom autoloader for WordPress file and class names standards.
+ *
+ * Few examples
+ *     Vrts\Core\Plugin - includes/core/class-plugin-php
+ *     Vrts\Core\Utilities\Assets - includes/core/utilities/class-assets-php
+ */
+
+spl_autoload_register( function ( $class_name ) {
+	$namespace = 'Vrts\\';
+
+	if ( strpos( $class_name, $namespace ) !== 0 ) {
+		return false;
+	}
+
+	$path = plugin_dir_path( VRTS_PLUGIN_FILE ) . 'includes';
+	$parts = explode( '\\', substr( $class_name, strlen( $namespace ) ) );
+	$count_parts = count( $parts );
+
+	foreach ( $parts as $key => $part ) {
+		$part = str_replace( '_', '-', strtolower( $part ) );
+		$prefix = ( $key + 1 === $count_parts ) ? '/class-' : '/';
+		$path .= $prefix . $part;
+	}
+
+	$path .= '.php';
+
+	if ( ! file_exists( $path ) ) {
+		return false;
+	}
+
+	require_once $path;
+
+	return true;
+});