PHPの定義済み定数2
標準の定義済み定数
こちらは標準の定義済み定数とされているものを一覧にしました。どういう時に使うかは大体決まっていて、大抵の場合は特定の関数の引数値として使えることが多いです。
| 定数名 | 型 | 使用関数 | 関数カテゴリ |
|---|---|---|---|
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 |
integer |
||
SEEK_SET |
integer |
fseek() | ファイルシステム関数 |
SEEK_CUR |
integer |
||
SEEK_END |
integer |
||
LOCK_SH |
integer |
flock() | |
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 |
||
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 |





