PHP: Bump minimum version

95% of 5.6 sites are on 5.6.30 or higher, hence this specific minimum version.

Fixes #46594.




git-svn-id: https://develop.svn.wordpress.org/trunk@44982 602fd350-edb4-49c9-b593-d223f7449a82

src/readme.html

@@ -52,7 +52,7 @@
 
 <h2>System Requirements</h2>
 <ul>
-	<li><a href="https://secure.php.net/">PHP</a> version <strong>5.2.4</strong> or higher.</li>
+	<li><a href="https://secure.php.net/">PHP</a> version <strong>5.6.30</strong> or higher.</li>
 	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.0</strong> or higher.</li>
 </ul>
 

src/wp-includes/version.php

@@ -34,7 +34,7 @@ $tinymce_version = '4920-20181217';
  *
  * @global string $required_php_version
  */
-$required_php_version = '5.2.4';
+$required_php_version = '5.6.30';
 
 /**
  * Holds the required MySQL version