Constante predefinite

Constantele de mai jos sunt definite de această extensie și vor fi disponibile doar dacă această extensie a fost compilată în interiorul PHP, sau a fost încărcată dinamic în timpul rulării.

INPUT_POST (int)
POST variables.
INPUT_GET (int)
GET variables.
COOKIE variables.
INPUT_ENV (int)
ENV variables.
INPUT_SERVER (int)
SERVER variables.
INPUT_SESSION (int)
SESSION variables. (not implemented yet)
INPUT_REQUEST (int)
REQUEST variables. (not implemented yet)
FILTER_FLAG_NONE (int)
No flags.
FILTER_REQUIRE_SCALAR (int)
Flag used to require scalar as input
FILTER_REQUIRE_ARRAY (int)
Require an array as input.
FILTER_FORCE_ARRAY (int)
Always returns an array.
FILTER_NULL_ON_FAILURE (int)
Use NULL instead of FALSE on failure.
FILTER_VALIDATE_INT (int)
ID of "int" filter.
FILTER_VALIDATE_BOOLEAN (int)
ID of "boolean" filter.
FILTER_VALIDATE_FLOAT (int)
ID of "float" filter.
FILTER_VALIDATE_REGEXP (int)
ID of "validate_regexp" filter.
FILTER_VALIDATE_URL (int)
ID of "validate_url" filter.
FILTER_VALIDATE_DOMAIN (int)
ID of "validate_domain" filter. (Available as of PHP 7.0.0)
FILTER_VALIDATE_EMAIL (int)
ID of "validate_email" filter.
FILTER_VALIDATE_IP (int)
ID of "validate_ip" filter.
FILTER_VALIDATE_MAC (int)
ID of "validate_mac_address" filter. (Available as of PHP 5.5.0)
FILTER_DEFAULT (int)
ID of default ("unsafe_raw") filter. This is equivalent to FILTER_UNSAFE_RAW.
FILTER_UNSAFE_RAW (int)
ID of "unsafe_raw" filter.
FILTER_SANITIZE_STRING (int)
ID of "string" filter.
FILTER_SANITIZE_STRIPPED (int)
ID of "stripped" filter.
FILTER_SANITIZE_ENCODED (int)
ID of "encoded" filter.
FILTER_SANITIZE_SPECIAL_CHARS (int)
ID of "special_chars" filter.
FILTER_SANITIZE_EMAIL (int)
ID of "email" filter.
FILTER_SANITIZE_URL (int)
ID of "url" filter.
FILTER_SANITIZE_NUMBER_INT (int)
ID of "number_int" filter.
FILTER_SANITIZE_NUMBER_FLOAT (int)
ID of "number_float" filter.
FILTER_SANITIZE_MAGIC_QUOTES (int)
ID of "magic_quotes" filter. (Deprecated per PHP 7.3.0, use FILTER_SANITIZE_ADD_SLASHES instead.)
FILTER_SANITIZE_ADD_SLASHES (int)
ID of "add_slashes" filter. (Available as of PHP 7.3.0)
FILTER_CALLBACK (int)
ID of "callback" filter.
FILTER_FLAG_ALLOW_OCTAL (int)
Allow octal notation (0[0-7]+) in "int" filter.
FILTER_FLAG_ALLOW_HEX (int)
Allow hex notation (0x[0-9a-fA-F]+) in "int" filter.
FILTER_FLAG_STRIP_LOW (int)
Strip characters with ASCII value less than 32.
FILTER_FLAG_STRIP_HIGH (int)
Strip characters with ASCII value greater than 127.
FILTER_FLAG_STRIP_BACKTICK (int)
Strips backtick characters. (Available as of PHP 5.3.2)
FILTER_FLAG_ENCODE_LOW (int)
Encode characters with ASCII value less than 32.
FILTER_FLAG_ENCODE_HIGH (int)
Encode characters with ASCII value greater than 127.
FILTER_FLAG_ENCODE_AMP (int)
Encode &.
FILTER_FLAG_NO_ENCODE_QUOTES (int)
Don't encode ' and ".
FILTER_FLAG_EMPTY_STRING_NULL (int)
(No use for now.)
FILTER_FLAG_ALLOW_FRACTION (int)
Allow fractional part in "number_float" filter.
FILTER_FLAG_ALLOW_THOUSAND (int)
Allow thousand separator (,) in "number_float" filter.
FILTER_FLAG_ALLOW_SCIENTIFIC (int)
Allow scientific notation (e, E) in "number_float" filter.
FILTER_FLAG_PATH_REQUIRED (int)
Require path in "validate_url" filter.
FILTER_FLAG_QUERY_REQUIRED (int)
Require query in "validate_url" filter.
FILTER_FLAG_SCHEME_REQUIRED (int)
Require scheme in "validate_url" filter. (Deprecated per PHP 7.3 as it is implied in the filter already.)
FILTER_FLAG_HOST_REQUIRED (int)
Require host in "validate_url" filter. (Deprecated per PHP 7.3 as it is implied in the filter already.)
FILTER_FLAG_HOSTNAME (int)
Require hostnames to start with an alphanumeric character and contain only alphanumerics or hyphens. (Available as of PHP 7.0.0)
FILTER_FLAG_IPV4 (int)
Allow only IPv4 address in "validate_ip" filter.
FILTER_FLAG_IPV6 (int)
Allow only IPv6 address in "validate_ip" filter.
FILTER_FLAG_NO_RES_RANGE (int)
Deny reserved addresses in "validate_ip" filter.
FILTER_FLAG_NO_PRIV_RANGE (int)
Deny private addresses in "validate_ip" filter.
FILTER_FLAG_EMAIL_UNICODE (int)
Accepts Unicode characters in the local part in "validate_email" filter. (Available as of PHP 7.1.0)
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User Contributed Notes 3 notes

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9
shaman_master at list dot ru
4 years ago
Note: FILTER_NULL_ON_FAILURE, FILTER_REQUIRE_SCALAR, FILTER_REQUIRE_ARRAY and FILTER_FORCE_ARRAY dont have prefix "FILTER_FLAG_" but they are FLAGS!
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2
jcastromail at yahoo dot es
3 years ago
INPUT_REQUEST was implemented in PHP < 8 (it was equal to 99) but it was removed in PHP 8.0

While INPUT_SESSION,FILTER_SANITIZE_MAGIC_QUOTES,FILTER_FLAG_SCHEME_REQUIRED,FILTER_FLAG_HOST_REQUIRED and a few others were removed in PHP 8.0.
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-21
sixd at php dot net
13 years ago
Rasmus added FILTER_SANITIZE_FULL_SPECIAL_CHARS to PHP 5.3.3.  See
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/
ext/filter/filter.c?r1=297245&r2=297244&pathrev=297245
His earlier commit to the PHP source code trunk commented that this "Added the full htmlspecialchars() functionality which includes utf-8 validation as a default filter."
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