WordPress/wp-includes/version.php
Sergey Biryukov ab263f93e5 Upgrade/Install: Check if the disk_free_space() function exists before calling it.
In PHP 8+, `@` no longer suppresses fatal errors:
> The `@` operator will no longer silence fatal errors (`E_ERROR`, `E_CORE_ERROR`, `E_COMPILE_ERROR`, `E_USER_ERROR`, `E_RECOVERABLE_ERROR`, `E_PARSE`).

Reference: [https://www.php.net/manual/en/migration80.incompatible.php PHP 8: Backward Incompatible Changes].

`disk_free_space()` may be disabled by hosts, which will throw a fatal error on a call to undefined function.

This change prevents the fatal error, and falls back to `false` when `disk_free_space()` is unavailable.

Follow-up to [25540], [25774], [25776], [25831], [25869].

Props costdev, jrf, swb1192, SergeyBiryukov.
Fixes #54826. See #54730.
Built from https://develop.svn.wordpress.org/trunk@52585


git-svn-id: http://core.svn.wordpress.org/trunk@52175 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-01-17 11:41:03 +00:00

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PHP

<?php
/**
* WordPress Version
*
* Contains version information for the current WordPress release.
*
* @package WordPress
* @since 1.2.0
*/
/**
* The WordPress version string.
*
* Holds the current version number for WordPress core. Used to bust caches
* and to enable development mode for scripts when running from the /src directory.
*
* @global string $wp_version
*/
$wp_version = '6.0-alpha-52585';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
*
* @global int $wp_db_version
*/
$wp_db_version = 51917;
/**
* Holds the TinyMCE version.
*
* @global string $tinymce_version
*/
$tinymce_version = '49110-20201110';
/**
* Holds the required PHP version.
*
* @global string $required_php_version
*/
$required_php_version = '5.6.20';
/**
* Holds the required MySQL version.
*
* @global string $required_mysql_version
*/
$required_mysql_version = '5.0';