- DIRECTORY_SEPARATOR
- FALSE
- NULL
- PHP_BUILD_DATE
- PHP_EOL
- PHP_EXTRA_VERSION
- PHP_INT_MAX
- PHP_INT_MIN
- PHP_INT_SIZE
- PHP_MAJOR_VERSION
- PHP_MINOR_VERSION
- PHP_OS
- PHP_OS_FAMILY
- PHP_RELEASE_VERSION
- PHP_VERSION
- PHP_VERSION_ID
- TRUE
- E_ALL
- E_COMPILE_ERROR
- E_COMPILE_WARNING
- E_CORE_ERROR
- E_CORE_WARNING
- E_DEPRECATED
- E_ERROR
- E_NOTICE
- E_PARSE
- E_RECOVERABLE_ERROR
- E_STRICT
- E_USER_DEPRECATED
- E_USER_ERROR
- E_USER_NOTICE
- E_USER_WARNING
- E_WARNING
- M_1_PI
- M_2_PI
- M_2_SQRTPI
- M_E
- M_EULER
- M_LN10
- M_LN2
- M_LNPI
- M_LOG10E
- M_LOG2E
- M_PI
- M_PI_2
- M_PI_4
- M_SQRT1_2
- M_SQRT2
- M_SQRT3
- M_SQRTPI
- PHP_ROUND_HALF_DOWN
- PHP_ROUND_HALF_EVEN
- PHP_ROUND_HALF_ODD
- PHP_ROUND_HALF_UP
- INI_ALL
- INI_PERDIR
- INI_SYSTEM
- INI_USER
- CHAR_MAX
- CRYPT_BLOWFISH
- CRYPT_EXT_DES
- CRYPT_MD5
- CRYPT_SALT_LENGTH
- CRYPT_SHA256
- CRYPT_SHA512
- CRYPT_STD_DES
- ENT_COMPAT
- ENT_DISALLOWED
- ENT_HTML401
- ENT_HTML5
- ENT_IGNORE
- ENT_NOQUOTES
- ENT_QUOTES
- ENT_SUBSTITUTE
- ENT_XHTML
- ENT_XML1
- HTML_ENTITIES
- HTML_SPECIALCHARS
- LC_ALL
- LC_COLLATE
- LC_CTYPE
- LC_MESSAGES
- LC_MONETARY
- LC_NUMERIC
- LC_TIME
- STR_PAD_LEFT
- STR_PAD_RIGHT