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このドキュメントでは、 php中国語ネットマニュアル リリース
这些常量在 PHP 的内核中定义。它包含 PHP、Zend 引擎和 SAPI 模块。
PHP_VERSION
( string )
PHP_OS
( string )
PHP_SAPI
( string )
PHP_EOL
( string )
PHP_INT_MAX
( integer )
PHP_INT_SIZE
( integer )
DEFAULT_INCLUDE_PATH
( string )
PEAR_INSTALL_DIR
( string )
PEAR_EXTENSION_DIR
( string )
PHP_EXTENSION_DIR
( string )
PHP_PREFIX
( string )
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 )
PHP_OUTPUT_HANDLER_START
( integer )
PHP_OUTPUT_HANDLER_CONT
( integer )
PHP_OUTPUT_HANDLER_END
( integer )
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_ALL
( integer )
E_STRICT
( integer )
__COMPILER_HALT_OFFSET__
( integer )
参见魔术常量。
这些常量是 PHP 默认定义的。
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 )
[#1] Anonymous [2015-01-27 15:25:14]
PHP_EOL can be used like that:
<?php
$data = 'some data'.PHP_EOL;
$fp = fopen('somefile', 'a');
fwrite($fp, $data);
?>
Which is the same of \r\n or \n depending on the OS.
You can put those lines in a while for example, and create a log file.
[#2] rdcapasso [2013-09-08 21:16:35]
Volker's getOS() function needs to have the order of cases changed in the switch statement since "darwin" contains "win", which means that both "windows" and "darwin" will return self::OS_WIN. I've moved the 'dar' case above the 'win' case:
<?php
class System {
const OS_UNKNOWN = 1;
const OS_WIN = 2;
const OS_LINUX = 3;
const OS_OSX = 4;
static public function getOS() {
switch (true) {
case stristr(PHP_OS, 'DAR'): return self::OS_OSX;
case stristr(PHP_OS, 'WIN'): return self::OS_WIN;
case stristr(PHP_OS, 'LINUX'): return self::OS_LINUX;
default : return self::OS_UNKNOWN;
}
}
}
?>