Merge branch 'PHP-7.0' into PHP-7.1

NEWS

@@ -18,6 +18,9 @@ PHP                                                                        NEWS
   . Fixed bug #71863 (Segfault when EXPLAIN with "Unknown column" error when
     using MariaDB). (Andrey)
 
+- PCRE:
+  . Fixed bug #72688 (preg_match missing group names in matches). (cmb)
+
 - Reflection:
   . Fixed bug #72661 (ReflectionType::__toString crashes with iterable).
     (Laruence)

ext/pcre/php_pcre.c

@@ -261,7 +261,7 @@ static char **make_subpats_table(int num_subpats, pcre_cache_entry *pce)
 
 	subpat_names = (char **)ecalloc(num_subpats, sizeof(char *));
 	while (ni++ < name_cnt) {
-		name_idx = 0xff * (unsigned char)name_table[0] + (unsigned char)name_table[1];
+		name_idx = 0x100 * (unsigned char)name_table[0] + (unsigned char)name_table[1];
 		subpat_names[name_idx] = name_table + 2;
 		if (is_numeric_string(subpat_names[name_idx], strlen(subpat_names[name_idx]), NULL, NULL, 0) > 0) {
 			php_error_docref(NULL, E_WARNING, "Numeric named subpatterns are not allowed");

ext/pcre/tests/bug72688.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #72688 (preg_match missing group names in matches)
+--FILE--
+<?php
+
+$pattern = [];
+for ($i = 0; $i < 300; $i++) {
+    $pattern[] = "(?'group{$i}'{$i}$)";
+}
+$fullPattern = '/' . implode('|', $pattern) . '/uix';
+
+preg_match($fullPattern, '290', $matches);
+
+var_dump($matches['group290']);
+?>
+--EXPECT--
+string(3) "290"