bug #32981 Fix tests/code for php 7.4 (jderusse)

This PR was merged into the 3.4 branch.

Discussion
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Fix tests/code for php 7.4

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #32844
| License       | MIT
| Doc PR        | NA

Fix remaining tests and deprecation

Commits
-------

05ec8a08b4 Fix remaining tests

Author: nicolas-grekas

Util/XmlUtils.php

@@ -234,7 +234,7 @@ public static function phpize($value)
                 return true;
             case 'false' === $lowercaseValue:
                 return false;
-            case isset($value[1]) && '0b' == $value[0].$value[1]:
+            case isset($value[1]) && '0b' == $value[0].$value[1] && preg_match('/^0b[01]*$/', $value):
                 return bindec($value);
             case is_numeric($value):
                 return '0x' === $value[0].$value[1] ? hexdec($value) : (float) $value;