Add condition for fully-qualified global functions #4
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When a global function is written as a fully-qualified name (e.g. `\__()`), the PHP parser lists them as `T_NAME_FULLY_QUALIFIED` tokens. This change takes that scenario into account.
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The current implementation doesn't cover the case of a WordPress i18n global function written with a leading backslash (e.g.
\__()) because the PHP parser does not identify\__()as aT_STRINGbut rather as aT_NAME_FULLY_QUALIFIED.The proposed change takes that case into account by adding a new condition that is satisfied when the current
tokenisT_NAME_FULLY_QUALIFIEDand its text, starting from the second character (i.e.text.slice(1)), is one of the i18n functions.This case is necessary when a WordPress component uses external libraries that are automatically namespaced by a processor such as PHP Scoper, which transforms the name of every global function into a fully-qualified name (e.g.
esc_html__()becomes\esc_html__()).