Move "global variable" related utilities to dedicated WPGlobalVariablesHelper
#2159
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The "global variable" related utilities are only used by a small number of sniffs, so are better placed in a dedicated class.
This commit moves the
$wp_globals
property to a newWordPressCS\WordPress\Helpers\WPGlobalVariablesHelper
and starts using that class in the relevant sniffs.Note:
private
(andstatic
). This protects the property against inadvertent changes.WPGlobalVariablesHelper::get_names()
method.WPGlobalVariablesHelper::is_wp_global()
method can be used to check if a given variable name is the name of a WP global variable.Related to #1465