2004-01-28 02:52:58 +01:00
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<?php
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2018-10-01 23:00:26 +02:00
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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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2021-06-21 06:29:56 +02:00
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* @since 1.2.0
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2018-10-01 23:00:26 +02:00
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*/
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2008-01-04 21:05:07 +01:00
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/**
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2020-02-10 04:30:06 +01:00
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* The WordPress version string.
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2008-01-04 21:05:07 +01:00
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*
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2021-09-14 19:31:59 +02:00
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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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2008-01-04 21:05:07 +01:00
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* @global string $wp_version
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*/
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Media: Fix `TypeError` and improve `wp_exif_frac2dec()` to only return `int` or `float`.
For certain images, `wp_exif_frac2dec()` unexpectedly returned a string instead of `int` or `float`. This can occur when an image is missing meta and calls the function with `'0/0'`. For those images, a fatal error was thrown on PHP 8.0+:
{{{
TypeError: round(): Argument #1 ($num) must be of type int|float, string given
}}}
Upon deeper review, inconsistent and unexpected results were returned from different types of input values passed to the function.
Changes are:
* Maintains backwards-compatibility for valid input values.
* Fixes handling of invalid input values by bailing out to return the documented type of `int|float` by returning `0`.
* Improves the fractional conditional check.
* Improves the calculated fraction handling to ensure (a) the numerator and denominator are both numeric and (b) the denominator is not equal to zero.
* Safeguards the behavior via tests for all possible ways code could flow through the function.
* Safeguards the backwards-compatibility of the `wp_read_image_metadata()` by adding some defensive coding around the calls to the `wp_exif_frac2dec()` function.
These changes fix the fatal error and make the function more secure, stable, and predictable while maintaining backwards-compatibility for valid input values.
Follow-up to [6313], [9119], [22319], [28367], [45611], [47287].
Props adamsilverstein, jrf, peterwilsoncc, praem90, stevegs, tobiasbg.
Fixes #54385.
Built from https://develop.svn.wordpress.org/trunk@52269
git-svn-id: http://core.svn.wordpress.org/trunk@51861 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2021-11-29 20:36:05 +01:00
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$wp_version = '5.9-alpha-52269';
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2008-01-04 21:05:07 +01:00
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/**
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2008-06-24 19:45:33 +02:00
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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2008-01-04 21:05:07 +01:00
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*
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* @global int $wp_db_version
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*/
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2021-10-18 15:30:57 +02:00
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$wp_db_version = 51917;
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2004-01-28 02:52:58 +01:00
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2009-05-18 22:29:26 +02:00
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/**
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2020-02-10 04:30:06 +01:00
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* Holds the TinyMCE version.
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2009-05-18 22:29:26 +02:00
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*
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* @global string $tinymce_version
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*/
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2020-11-10 11:44:08 +01:00
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$tinymce_version = '49110-20201110';
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2009-05-18 22:29:26 +02:00
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2009-12-17 19:46:19 +01:00
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/**
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2020-02-10 04:30:06 +01:00
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* Holds the required PHP version.
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2009-12-17 19:46:19 +01:00
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*
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* @global string $required_php_version
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*/
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2019-03-28 22:12:52 +01:00
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$required_php_version = '5.6.20';
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2009-12-17 19:46:19 +01:00
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/**
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2020-02-10 04:30:06 +01:00
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* Holds the required MySQL version.
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2009-12-17 19:46:19 +01:00
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*
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* @global string $required_mysql_version
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*/
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2011-03-21 19:30:56 +01:00
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$required_mysql_version = '5.0';
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