Add MB_ONIGURUMA_VERSION and use it in a version dependent test

Author: nikic

ext/mbstring/php_mbregex.c

@@ -105,7 +105,13 @@ void php_mb_regex_globals_free(zend_mb_regex_globals *pglobals)
 /* {{{ PHP_MINIT_FUNCTION(mb_regex) */
 PHP_MINIT_FUNCTION(mb_regex)
 {
+	char version[256];
+
 	onig_init();
+
+	snprintf(version, sizeof(version), "%d.%d.%d",
+		ONIGURUMA_VERSION_MAJOR, ONIGURUMA_VERSION_MINOR, ONIGURUMA_VERSION_TEENY);
+	REGISTER_STRING_CONSTANT("MB_ONIGURUMA_VERSION", version, CONST_CS | CONST_PERSISTENT);
 	return SUCCESS;
 }
 /* }}} */

ext/mbstring/tests/mb_ereg_variation3.phpt

@@ -4,6 +4,7 @@ Test mb_ereg() function : usage variations - pass different character classes to
 <?php
 extension_loaded('mbstring') or die('skip');
 function_exists('mb_ereg') or die("skip mb_ereg() is not available in this build");
+version_compare(MB_ONIGURUMA_VERSION, '6.1.0', '>=') or die("skip requires oniguruma >= 6.1.0");
 ?>
 --FILE--
 <?php