Remove unused variable old_php

run-tests.php

@@ -1426,20 +1426,15 @@ TEST $file
 	/* For GET/POST/PUT tests, check if cgi sapi is available and if it is, use it. */
 	if (array_key_exists('CGI', $section_text) || !empty($section_text['GET']) || !empty($section_text['POST']) || !empty($section_text['GZIP_POST']) || !empty($section_text['DEFLATE_POST']) || !empty($section_text['POST_RAW']) || !empty($section_text['PUT']) || !empty($section_text['COOKIE']) || !empty($section_text['EXPECTHEADERS'])) {
 		if (isset($php_cgi)) {
-			$old_php = $php;
 			$php = $php_cgi . ' -C ';
 		} else if (!strncasecmp(PHP_OS, "win", 3) && file_exists(dirname($php) . "/php-cgi.exe")) {
-			$old_php = $php;
 			$php = realpath(dirname($php) . "/php-cgi.exe") . ' -C ';
 		} else {
 			if (file_exists(dirname($php) . "/../../sapi/cgi/php-cgi")) {
-				$old_php = $php;
 				$php = realpath(dirname($php) . "/../../sapi/cgi/php-cgi") . ' -C ';
 			} else if (file_exists("./sapi/cgi/php-cgi")) {
-				$old_php = $php;
 				$php = realpath("./sapi/cgi/php-cgi") . ' -C ';
 			} else if (file_exists(dirname($php) . "/php-cgi")) {
-				$old_php = $php;
 				$php = realpath(dirname($php) . "/php-cgi") . ' -C ';
 			} else {
 				show_result('SKIP', $tested, $tested_file, "reason: CGI not available");
@@ -1459,7 +1454,6 @@ TEST $file
 		}
 
 		if (isset($phpdbg)) {
-			$old_php = $php;
 			$php = $phpdbg . ' -qIb';
 		} else {
 			show_result('SKIP', $tested, $tested_file, "reason: phpdbg not available");