ExtensionDiscovery::PHP_FUNCTION_PATTERN
Regular expression to match PHP function names.
See also
http://php.net/manual/functions.user-defined.php
File
- 
              core/
lib/ Drupal/ Core/ Extension/ ExtensionDiscovery.php, line 57  
Class
- ExtensionDiscovery
 - Discovers available extensions in the filesystem.
 
Namespace
Drupal\Core\ExtensionCode
const PHP_FUNCTION_PATTERN = '/^[a-zA-Z_\\x80-\\xff][a-zA-Z0-9_\\x80-\\xff]*$/';
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