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In all four of the `get_option()`, `add_option()`, `update_option()` and `delete_option()` functions, the `$option` parameter (i.e. the option name) is passed to the PHP native `trim()` function without prior input validation. In PHP 8.1, this could lead to a `trim(): Passing null to parameter #1 ($string) of type string is deprecated` for each of these functions. `trim()`: - expects a text string and is only useful when ''passed'' a text string as no other variable type can contain whitespace. - will always return a `string`, which means that in practice for any non-string values passed, it would effectively function as a type cast to string. This commit: - Adds a check to verify the `$option` name is a scalar before processing it with `trim()`. - The "type cast" behavior is maintained. - If the given `$option` name is not a scalar, such as `null`, the fix prevents the PHP 8.1 deprecation notice. - Tests are added for valid but undesired option names to safeguard against regressions. This issue is already covered by: - the existing `Tests_Option_Option::test_bad_option_names()` test group. - the new `test_valid_but_undesired_option_names()` tests. Follow-up to [13858], [22633], [23510], [25002], [51817]. Props jrf, hellofromTonya, pbearne. See #53635. Built from https://develop.svn.wordpress.org/trunk@51818 git-svn-id: http://core.svn.wordpress.org/trunk@51425 1a063a9b-81f0-0310-95a4-ce76da25c4cd
48 lines
939 B
PHP
48 lines
939 B
PHP
<?php
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/**
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* WordPress Version
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*
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* Contains version information for the current WordPress release.
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*
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* @package WordPress
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* @since 1.2.0
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*/
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/**
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* The WordPress version string.
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*
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* Holds the current version number for WordPress core. Used to bust caches
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* and to enable development mode for scripts when running from the /src directory.
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*
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* @global string $wp_version
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*/
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$wp_version = '5.9-alpha-51818';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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*
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* @global int $wp_db_version
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*/
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$wp_db_version = 49752;
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/**
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* Holds the TinyMCE version.
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*
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* @global string $tinymce_version
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*/
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$tinymce_version = '49110-20201110';
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/**
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* Holds the required PHP version.
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*
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* @global string $required_php_version
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*/
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$required_php_version = '5.6.20';
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/**
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* Holds the required MySQL version.
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*
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* @global string $required_mysql_version
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*/
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$required_mysql_version = '5.0';
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