constant BACKDROP_PHP_FUNCTION_PATTERN

Regular expression to match PHP function names.

backdrop_get_filename in core/includes/bootstrap.inc: Returns and optionally sets the filename for a system resource.
backdrop_required_modules in core/includes/module.inc: Returns an array of modules required by core.
backdrop_verify_profile in core/includes/install.inc: Verifies an installation profile for installation.
drupal.inc in core/includes/drupal.inc: Contains constants and function wrappers for Drupal 7.x compatibility.
InfoFileCoreTest::testProjectInfoFileContents in core/modules/system/tests/system.test: Tests that the .info files of all core projects specify a project type.

core/includes/bootstrap.inc, line 256: Functions that need to be loaded on every Backdrop request.

define('BACKDROP_PHP_FUNCTION_PATTERN', '[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*')