fix build on php < 8.3

Author: staabm

build/ignore-by-php-version.neon.php

@@ -38,6 +38,11 @@
 } else {
 	$includes[] = __DIR__ . '/new-phpunit.neon';
 }
+
+if (PHP_VERSION_ID < 80300) {
+	$includes[] = __DIR__ . '/str-increment.neon';
+}
+
 $config = [];
 $config['includes'] = $includes;
 

build/str-increment.neon

@@ -0,0 +1,4 @@
+parameters:
+	ignoreErrors:
+		-
+			message: '#^Used function str_increment not found\.#'