PHP: Error Reporting - Manual
https://www.php.net/manual/en/security.database.php
https://www.php.net/manual/en/security.filesystem.php
https://www.php.net/manual/en/security.sessions.php
https://www.php.net/manual/en/security.apache.php
https://www.php.net/manual/en/security.cgi-bin.php
https://www.php.net/manual/en/security.general.php
https://www.php.net/manual/en/security.intro.php
https://www.php.net/manual/en/security.php
https://www.php.net/manual/en/wrappers.php
https://www.php.net/manual/en/context.php
https://www.php.net/manual/en/reserved.interfaces.php
https://www.php.net/manual/en/reserved.exceptions.php
https://www.php.net/manual/en/reserved.variables.php
https://www.php.net/manual/en/language.references.php
https://www.php.net/manual/en/language.attributes.php
https://www.php.net/manual/en/language.generators.php
https://www.php.net/manual/en/language.fibers.php
https://www.php.net/manual/en/language.exceptions.php
https://www.php.net/manual/en/language.errors.php
https://www.php.net/manual/en/language.enumerations.php
https://www.php.net/manual/en/language.namespaces.php
https://www.php.net/manual/en/language.oop5.php
https://www.php.net/manual/en/language.functions.php
https://www.php.net/manual/en/language.control-structures.php
https://www.php.net/manual/en/language.operators.php
https://www.php.net/manual/en/language.expressions.php
https://www.php.net/manual/en/language.constants.php
https://www.php.net/manual/en/language.variables.php
https://www.php.net/manual/en/language.types.php