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  • PHP内置的预定义常量大全

    URL:http://www.php.net/manual/en/reserved.constants.php

    预定义常量:核心预定义常量,标准预定义常量
    -------------------------------------------
    核心预定义常量
    这些常量是PHP中的定义。这包括 PHP,Zend引擎和SAPI模块。
    详细信息:
    PHP_VERSION (string)
    PHP_MAJOR_VERSION (integer)    可用自: PHP 5.2.7.
    PHP_MINOR_VERSION (integer)    可用自: PHP 5.2.7.
    PHP_RELEASE_VERSION (integer)    可用自: PHP 5.2.7.
    PHP_VERSION_ID (integer)    可用自: PHP 5.2.7.
    PHP_EXTRA_VERSION (string)    可用自: PHP 5.2.7.
    PHP_ZTS (integer)    可用自: PHP 5.2.7.
    PHP_DEBUG (integer)    可用自: PHP 5.2.7.
    PHP_MAXPATHLEN (integer)    可用自: PHP 5.3.0.
    PHP_OS (string)
    PHP_SAPI (string)    可用自: PHP 4.2.0. 参见: php_sapi_name().
    PHP_EOL (string)    可用自: PHP 4.3.10 and PHP 5.0.2
    PHP_INT_MAX (integer)    可用自: PHP 4.4.0 and PHP 5.0.5
    PHP_INT_SIZE (integer)    可用自: PHP 4.4.0 and PHP 5.0.5
    DEFAULT_INCLUDE_PATH (string)
    PEAR_INSTALL_DIR (string)
    PEAR_EXTENSION_DIR (string)
    PHP_EXTENSION_DIR (string)
    PHP_PREFIX (string)    可用自: PHP 4.3.0
    PHP_BINDIR (string)
    PHP_LIBDIR (string)
    PHP_DATADIR (string)
    PHP_SYSCONFDIR (string)
    PHP_LOCALSTATEDIR (string)
    PHP_CONFIG_FILE_PATH (string)
    PHP_CONFIG_FILE_SCAN_DIR (string)
    PHP_SHLIB_SUFFIX (string)    可用自: PHP 4.3.0
    PHP_OUTPUT_HANDLER_START (integer)
    PHP_OUTPUT_HANDLER_CONT (integer)
    PHP_OUTPUT_HANDLER_END (integer)
    PHP_WINDOWS_VERSION_MAJOR (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_MINOR (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_BUILD (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_PLATFORM (integer)   可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_SP_MAJOR (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_SP_MINOR (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_SUITEMASK (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_VERSION_PRODUCTTYPE (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_NT_DOMAIN_CONTROLLER (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_NT_SERVER (integer)    可用自: PHP 5.3.0
    PHP_WINDOWS_NT_WORKSTATION (integer)    可用自: PHP 5.3.0
    E_ERROR (integer)
    E_WARNING (integer)
    E_PARSE (integer)
    E_NOTICE (integer)
    E_CORE_ERROR (integer)
    E_CORE_WARNING (integer)
    E_COMPILE_ERROR (integer)
    E_COMPILE_WARNING (integer)
    E_USER_ERROR (integer)
    E_USER_WARNING (integer)
    E_USER_NOTICE (integer)
    E_DEPRECATED (integer)    可用自: PHP 5.3.0
    E_USER_DEPRECATED (integer)    可用自: PHP 5.3.0
    E_ALL (integer)
    E_STRICT (integer)    可用自: PHP 5.0.0
    __COMPILER_HALT_OFFSET__ (integer)    可用自: PHP 5.1.0
    TRUE (boolean)    参见: Booleans.
    FALSE (boolean)    参见: Booleans.
    NULL (boolean)    参见: Null.


    -------------------------------------------
    标准预定义常量
    这些常量是PHP默认定义。

    详细信息:
    EXTR_OVERWRITE (integer)
    EXTR_SKIP (integer)
    EXTR_PREFIX_SAME (integer)
    EXTR_PREFIX_ALL (integer)
    EXTR_PREFIX_INVALID (integer)
    EXTR_PREFIX_IF_EXISTS (integer)
    EXTR_IF_EXISTS (integer)
    SORT_ASC (integer)
    SORT_DESC (integer)
    SORT_REGULAR (integer)
    SORT_NUMERIC (integer)
    SORT_STRING (integer)
    CASE_LOWER (integer)
    CASE_UPPER (integer)
    COUNT_NORMAL (integer)
    COUNT_RECURSIVE (integer)
    ASSERT_ACTIVE (integer)
    ASSERT_CALLBACK (integer)
    ASSERT_BAIL (integer)
    ASSERT_WARNING (integer)
    ASSERT_QUIET_EVAL (integer)
    CONNECTION_ABORTED (integer)
    CONNECTION_NORMAL (integer)
    CONNECTION_TIMEOUT (integer)
    INI_USER (integer)
    INI_PERDIR (integer)
    INI_SYSTEM (integer)
    INI_ALL (integer)
    M_E (float)
    M_LOG2E (float)
    M_LOG10E (float)
    M_LN2 (float)
    M_LN10 (float)
    M_PI (float)
    M_PI_2 (float)
    M_PI_4 (float)
    M_1_PI (float)
    M_2_PI (float)
    M_2_SQRTPI (float)
    M_SQRT2 (float)
    M_SQRT1_2 (float)
    CRYPT_SALT_LENGTH (integer)
    CRYPT_STD_DES (integer)
    CRYPT_EXT_DES (integer)
    CRYPT_MD5 (integer)
    CRYPT_BLOWFISH (integer)
    DIRECTORY_SEPARATOR (string)
    SEEK_SET (integer)
    SEEK_CUR (integer)
    SEEK_END (integer)
    LOCK_SH (integer)
    LOCK_EX (integer)
    LOCK_UN (integer)
    LOCK_NB (integer)
    HTML_SPECIALCHARS (integer)
    HTML_ENTITIES (integer)
    ENT_COMPAT (integer)
    ENT_QUOTES (integer)
    ENT_NOQUOTES (integer)
    INFO_GENERAL (integer)
    INFO_CREDITS (integer)
    INFO_CONFIGURATION (integer)
    INFO_MODULES (integer)
    INFO_ENVIRONMENT (integer)
    INFO_VARIABLES (integer)
    INFO_LICENSE (integer)
    INFO_ALL (integer)
    CREDITS_GROUP (integer)
    CREDITS_GENERAL (integer)
    CREDITS_SAPI (integer)
    CREDITS_MODULES (integer)
    CREDITS_DOCS (integer)
    CREDITS_FULLPAGE (integer)
    CREDITS_QA (integer)
    CREDITS_ALL (integer)
    STR_PAD_LEFT (integer)
    STR_PAD_RIGHT (integer)
    STR_PAD_BOTH (integer)
    PATHINFO_DIRNAME (integer)
    PATHINFO_BASENAME (integer)
    PATHINFO_EXTENSION (integer)
    PATH_SEPARATOR (string)
    CHAR_MAX (integer)
    LC_CTYPE (integer)
    LC_NUMERIC (integer)
    LC_TIME (integer)
    LC_COLLATE (integer)
    LC_MONETARY (integer)
    LC_ALL (integer)
    LC_MESSAGES (integer)
    ABDAY_1 (integer)
    ABDAY_2 (integer)
    ABDAY_3 (integer)
    ABDAY_4 (integer)
    ABDAY_5 (integer)
    ABDAY_6 (integer)
    ABDAY_7 (integer)
    DAY_1 (integer)
    DAY_2 (integer)
    DAY_3 (integer)
    DAY_4 (integer)
    DAY_5 (integer)
    DAY_6 (integer)
    DAY_7 (integer)
    ABMON_1 (integer)
    ABMON_2 (integer)
    ABMON_3 (integer)
    ABMON_4 (integer)
    ABMON_5 (integer)
    ABMON_6 (integer)
    ABMON_7 (integer)
    ABMON_8 (integer)
    ABMON_9 (integer)
    ABMON_10 (integer)
    ABMON_11 (integer)
    ABMON_12 (integer)
    MON_1 (integer)
    MON_2 (integer)
    MON_3 (integer)
    MON_4 (integer)
    MON_5 (integer)
    MON_6 (integer)
    MON_7 (integer)
    MON_8 (integer)
    MON_9 (integer)
    MON_10 (integer)
    MON_11 (integer)
    MON_12 (integer)
    AM_STR (integer)
    PM_STR (integer)
    D_T_FMT (integer)
    D_FMT (integer)
    T_FMT (integer)
    T_FMT_AMPM (integer)
    ERA (integer)
    ERA_YEAR (integer)
    ERA_D_T_FMT (integer)
    ERA_D_FMT (integer)
    ERA_T_FMT (integer)
    ALT_DIGITS (integer)
    INT_CURR_SYMBOL (integer)
    CURRENCY_SYMBOL (integer)
    CRNCYSTR (integer)
    MON_DECIMAL_POINT (integer)
    MON_THOUSANDS_SEP (integer)
    MON_GROUPING (integer)
    POSITIVE_SIGN (integer)
    NEGATIVE_SIGN (integer)
    INT_FRAC_DIGITS (integer)
    FRAC_DIGITS (integer)
    P_CS_PRECEDES (integer)
    P_SEP_BY_SPACE (integer)
    N_CS_PRECEDES (integer)
    N_SEP_BY_SPACE (integer)
    P_SIGN_POSN (integer)
    N_SIGN_POSN (integer)
    DECIMAL_POINT (integer)
    RADIXCHAR (integer)
    THOUSANDS_SEP (integer)
    THOUSEP (integer)
    GROUPING (integer)
    YESEXPR (integer)
    NOEXPR (integer)
    YESSTR (integer)
    NOSTR (integer)
    CODESET (integer)
    LOG_EMERG (integer)
    LOG_ALERT (integer)
    LOG_CRIT (integer)
    LOG_ERR (integer)
    LOG_WARNING (integer)
    LOG_NOTICE (integer)
    LOG_INFO (integer)
    LOG_DEBUG (integer)
    LOG_KERN (integer)
    LOG_USER (integer)
    LOG_MAIL (integer)
    LOG_DAEMON (integer)
    LOG_AUTH (integer)
    LOG_SYSLOG (integer)
    LOG_LPR (integer)
    LOG_NEWS (integer)
    LOG_UUCP (integer)
    LOG_CRON (integer)
    LOG_AUTHPRIV (integer)
    LOG_LOCAL0 (integer)
    LOG_LOCAL1 (integer)
    LOG_LOCAL2 (integer)
    LOG_LOCAL3 (integer)
    LOG_LOCAL4 (integer)
    LOG_LOCAL5 (integer)
    LOG_LOCAL6 (integer)
    LOG_LOCAL7 (integer)
    LOG_PID (integer)
    LOG_CONS (integer)
    LOG_ODELAY (integer)
    LOG_NDELAY (integer)
    LOG_NOWAIT (integer)
    LOG_PERROR (integer)

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  • 原文地址:https://www.cnblogs.com/see7di/p/3231664.html
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