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30e94a8916
It's possible to have some Moodle components soft linked instead of being real directories within codebase (within dirroot). For example, Composer's "vendor" directory can be soft linked (from elsewhere), or also plugins can be installed using soft links. In those cases, Moodle calculates the $SCRIPT global as null. And, then, string operations on it are emitting a PHP deprecation message with PHP 8.1 and up. This fix just ensures that the behaviour is the same than before PHP 8.1, aka: ltrim(null) = '' (empty string), without any PHP warning.
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Moodle - the world's open source learning platform
Moodle <https://moodle.org> is a learning platform designed to provide
educators, administrators and learners with a single robust, secure and
integrated system to create personalised learning environments.
You can download Moodle <https://download.moodle.org> and run it on your own
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you.
Moodle is widely used around the world by universities, schools, companies and
all manner of organisations and individuals.
Moodle is provided freely as open source software, under the GNU General Public
License <https://docs.moodle.org/dev/License>.
Moodle is written in PHP and JavaScript and uses an SQL database for storing
the data.
See <https://docs.moodle.org> for details of Moodle's many features.