Be paranoid: the test(ed) code might unset _SERVER['REQUEST_TIME']. · Issue #753 · sebastianbergmann/php-code-coverage · GitHub
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How to fix "To fix it set server name by environment variable PHP_IDE_CONFIG and restart debug session."? - Stack Overflow
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Péhápkaři v Pecce: Za hranicemi DateTime – Jiří Pudil – 16. 10. 2019
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PHP $_SERVER (Super Global) Variable with Example - Just Tech Review
Global Variables - Superglobals Several predefined variables in PHP are "superglobals", which means that they are always accessible, regardless of scope. - ppt download