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PHPDBG_VERSION (string)

PHPDBG_FILE (integer)

Removed as of PHP 7.3.0.

PHPDBG_METHOD (integer)

Removed as of PHP 7.3.0.

PHPDBG_LINENO (integer)

Removed as of PHP 7.3.0.

PHPDBG_FUNC (integer)

Removed as of PHP 7.3.0.

PHPDBG_COLOR_PROMPT (integer)

PHPDBG_COLOR_NOTICE (integer)

PHPDBG_COLOR_ERROR (integer)