Fixed bug #77589 (Core dump using parse_ini_string with numeric sections)

Section name should not be typed(NULL, FALSE, TRUE etc)

Author: laruence

NEWS

@@ -2,6 +2,10 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? 2019, PHP 7.2.16
 
+- Core:
+  . Fixed bug #77589 (Core dump using parse_ini_string with numeric sections).
+    (Laruence)
+
 - PDO_OCI:
   . Support Oracle Database tracing attributes ACTION, MODULE,
     CLIENT_INFO, and CLIENT_IDENTIFIER. (Cameron Porter)

Zend/tests/bug77589.phpt

@@ -0,0 +1,40 @@
+--TEST--
+BUG #77589 (Core dump using parse_ini_string with numeric sections)
+--FILE--
+<?php
+var_dump(
+	parse_ini_string(<<<INI
+[0]
+a = 1
+b = on
+c = true
+
+["true"]
+a = 100 
+b = null
+c = yes
+INI
+, TRUE, INI_SCANNER_TYPED));
+
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  array(3) {
+    ["a"]=>
+    int(1)
+    ["b"]=>
+    bool(true)
+    ["c"]=>
+    bool(true)
+  }
+  ["true"]=>
+  array(3) {
+    ["a"]=>
+    int(100)
+    ["b"]=>
+    NULL
+    ["c"]=>
+    bool(true)
+  }
+}