Predefined Constants
The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
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INPUT_POST
(integer) - POST variables.
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INPUT_GET
(integer) - GET variables.
- COOKIE variables.
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INPUT_ENV
(integer) - ENV variables.
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INPUT_SERVER
(integer) - SERVER variables.
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INPUT_SESSION
(integer) - SESSION variables. (not implemented yet)
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INPUT_REQUEST
(integer) - REQUEST variables. (not implemented yet)
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FILTER_FLAG_NONE
(integer) - No flags.
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FILTER_REQUIRE_SCALAR
(integer) - Flag used to require scalar as input
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FILTER_REQUIRE_ARRAY
(integer) - Require an array as input.
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FILTER_FORCE_ARRAY
(integer) - Always returns an array.
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FILTER_NULL_ON_FAILURE
(integer) - Use NULL instead of FALSE on failure.
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FILTER_VALIDATE_INT
(integer) - ID of "int" filter.
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FILTER_VALIDATE_BOOLEAN
(integer) - ID of "boolean" filter.
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FILTER_VALIDATE_FLOAT
(integer) - ID of "float" filter.
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FILTER_VALIDATE_REGEXP
(integer) - ID of "validate_regexp" filter.
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FILTER_VALIDATE_URL
(integer) - ID of "validate_url" filter.
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FILTER_VALIDATE_EMAIL
(integer) - ID of "validate_email" filter.
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FILTER_VALIDATE_IP
(integer) - ID of "validate_ip" filter.
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FILTER_DEFAULT
(integer) - ID of default ("string") filter.
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FILTER_UNSAFE_RAW
(integer) - ID of "unsafe_raw" filter.
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FILTER_SANITIZE_STRING
(integer) - ID of "string" filter.
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FILTER_SANITIZE_STRIPPED
(integer) - ID of "stripped" filter.
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FILTER_SANITIZE_ENCODED
(integer) - ID of "encoded" filter.
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FILTER_SANITIZE_SPECIAL_CHARS
(integer) - ID of "special_chars" filter.
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FILTER_SANITIZE_EMAIL
(integer) - ID of "email" filter.
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FILTER_SANITIZE_URL
(integer) - ID of "url" filter.
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FILTER_SANITIZE_NUMBER_INT
(integer) - ID of "number_int" filter.
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FILTER_SANITIZE_NUMBER_FLOAT
(integer) - ID of "number_float" filter.
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FILTER_SANITIZE_MAGIC_QUOTES
(integer) - ID of "magic_quotes" filter.
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FILTER_CALLBACK
(integer) - ID of "callback" filter.
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FILTER_FLAG_ALLOW_OCTAL
(integer) - Allow octal notation (0[0-7]+) in "int" filter.
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FILTER_FLAG_ALLOW_HEX
(integer) - Allow hex notation (0x[0-9a-fA-F]+) in "int" filter.
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FILTER_FLAG_STRIP_LOW
(integer) - Strip characters with ASCII value less than 32.
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FILTER_FLAG_STRIP_HIGH
(integer) - Strip characters with ASCII value greater than 127.
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FILTER_FLAG_ENCODE_LOW
(integer) - Encode characters with ASCII value less than 32.
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FILTER_FLAG_ENCODE_HIGH
(integer) - Encode characters with ASCII value greater than 127.
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FILTER_FLAG_ENCODE_AMP
(integer) - Encode &.
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FILTER_FLAG_NO_ENCODE_QUOTES
(integer) - Don't encode ' and ".
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FILTER_FLAG_EMPTY_STRING_NULL
(integer) - (No use for now.)
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FILTER_FLAG_ALLOW_FRACTION
(integer) - Allow fractional part in "number_float" filter.
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FILTER_FLAG_ALLOW_THOUSAND
(integer) - Allow thousand separator (,) in "number_float" filter.
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FILTER_FLAG_ALLOW_SCIENTIFIC
(integer) - Allow scientific notation (e, E) in "number_float" filter.
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FILTER_FLAG_PATH_REQUIRED
(integer) - Require path in "validate_url" filter.
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FILTER_FLAG_QUERY_REQUIRED
(integer) - Require query in "validate_url" filter.
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FILTER_FLAG_IPV4
(integer) - Allow only IPv4 address in "validate_ip" filter.
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FILTER_FLAG_IPV6
(integer) - Allow only IPv6 address in "validate_ip" filter.
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FILTER_FLAG_NO_RES_RANGE
(integer) - Deny reserved addresses in "validate_ip" filter.
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FILTER_FLAG_NO_PRIV_RANGE
(integer) - Deny private addresses in "validate_ip" filter.
Коментарии
Note: FILTER_NULL_ON_FAILURE, FILTER_REQUIRE_SCALAR, FILTER_REQUIRE_ARRAY and FILTER_FORCE_ARRAY dont have prefix "FILTER_FLAG_" but they are FLAGS!