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<?php $return = filter_var("223.255.255.255", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("224.0.0.0", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("224.0.0.2", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("224.0.0.255", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("224.0.1.0", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("224.1.0.0", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return); $return = filter_var("225.0.0.0", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE); var_dump($return);
Output for 5.6.27 - 5.6.40, 7.0.12 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(15) "223.255.255.255" string(9) "224.0.0.0" string(9) "224.0.0.2" string(11) "224.0.0.255" string(9) "224.0.1.0" string(9) "224.1.0.0" string(9) "225.0.0.0"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(15) "223.255.255.255" string(9) "224.0.0.0" string(9) "224.0.0.2" string(11) "224.0.0.255" string(9) "224.0.1.0" string(9) "224.1.0.0" string(9) "225.0.0.0"
Output for 5.6.0 - 5.6.26, 7.0.0 - 7.0.11
string(15) "223.255.255.255" bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)

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172.83 ms | 402 KiB | 291 Q