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<?php print_r(get_defined_constants(true)['filter']);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [INPUT_POST] => 0 [INPUT_GET] => 1 [INPUT_COOKIE] => 2 [INPUT_ENV] => 4 [INPUT_SERVER] => 5 [FILTER_FLAG_NONE] => 0 [FILTER_REQUIRE_SCALAR] => 33554432 [FILTER_REQUIRE_ARRAY] => 16777216 [FILTER_FORCE_ARRAY] => 67108864 [FILTER_NULL_ON_FAILURE] => 134217728 [FILTER_VALIDATE_INT] => 257 [FILTER_VALIDATE_BOOLEAN] => 258 [FILTER_VALIDATE_BOOL] => 258 [FILTER_VALIDATE_FLOAT] => 259 [FILTER_VALIDATE_REGEXP] => 272 [FILTER_VALIDATE_DOMAIN] => 277 [FILTER_VALIDATE_URL] => 273 [FILTER_VALIDATE_EMAIL] => 274 [FILTER_VALIDATE_IP] => 275 [FILTER_VALIDATE_MAC] => 276 [FILTER_DEFAULT] => 516 [FILTER_UNSAFE_RAW] => 516 [FILTER_SANITIZE_STRING] => 513 [FILTER_SANITIZE_STRIPPED] => 513 [FILTER_SANITIZE_ENCODED] => 514 [FILTER_SANITIZE_SPECIAL_CHARS] => 515 [FILTER_SANITIZE_FULL_SPECIAL_CHARS] => 522 [FILTER_SANITIZE_EMAIL] => 517 [FILTER_SANITIZE_URL] => 518 [FILTER_SANITIZE_NUMBER_INT] => 519 [FILTER_SANITIZE_NUMBER_FLOAT] => 520 [FILTER_SANITIZE_ADD_SLASHES] => 523 [FILTER_CALLBACK] => 1024 [FILTER_FLAG_ALLOW_OCTAL] => 1 [FILTER_FLAG_ALLOW_HEX] => 2 [FILTER_FLAG_STRIP_LOW] => 4 [FILTER_FLAG_STRIP_HIGH] => 8 [FILTER_FLAG_STRIP_BACKTICK] => 512 [FILTER_FLAG_ENCODE_LOW] => 16 [FILTER_FLAG_ENCODE_HIGH] => 32 [FILTER_FLAG_ENCODE_AMP] => 64 [FILTER_FLAG_NO_ENCODE_QUOTES] => 128 [FILTER_FLAG_EMPTY_STRING_NULL] => 256 [FILTER_FLAG_ALLOW_FRACTION] => 4096 [FILTER_FLAG_ALLOW_THOUSAND] => 8192 [FILTER_FLAG_ALLOW_SCIENTIFIC] => 16384 [FILTER_FLAG_PATH_REQUIRED] => 262144 [FILTER_FLAG_QUERY_REQUIRED] => 524288 [FILTER_FLAG_IPV4] => 1048576 [FILTER_FLAG_IPV6] => 2097152 [FILTER_FLAG_NO_RES_RANGE] => 4194304 [FILTER_FLAG_NO_PRIV_RANGE] => 8388608 [FILTER_FLAG_GLOBAL_RANGE] => 268435456 [FILTER_FLAG_HOSTNAME] => 1048576 [FILTER_FLAG_EMAIL_UNICODE] => 1048576 )

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