Online PHP editor | output for hAgXm

@ 2015-05-28T13:23:45Z

<?php

	function is_ip($ip, $version = null) {
		switch ($version) {
			case 4:
				if (filter_var($ip, FILTER_VALIDATE_IP, array('flags' => array(FILTER_FLAG_IPV4, FILTER_FLAG_NO_PRIV_RANGE, FILTER_FLAG_NO_RES_RANGE))) !== false) {
					return "passed <br />\n";
				}
			break;
			case 6:
				if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false) {
					return "passed <br />\n";
				}
			break;
			case 'bug':
				if (filter_var($ip, FILTER_VALIDATE_IP, array('flags' => array(FILTER_FLAG_IPV6, FILTER_FLAG_NO_PRIV_RANGE))) !== false) {
					return "passed <br />\n";
				}
			break;
			default:
				if (filter_var($ip, FILTER_VALIDATE_IP, array('flags' => array(FILTER_FLAG_IPV4, FILTER_FLAG_IPV6, FILTER_FLAG_NO_PRIV_RANGE, FILTER_FLAG_NO_RES_RANGE))) !== false) {
					return "passed <br />\n";
				}
			break;
		}
		
		return "didn't pass <br />\n";
	}

$ip = "127.0.0.1";
echo "IP address validation test: " . $ip .  "<br />\n";
echo "v4: ". is_ip($ip, 4);
echo "v6: ". is_ip($ip, 6);
echo "v6: ". is_ip($ip, 'bug');
echo "v4 or v6: ". is_ip($ip);

Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: IP address validation test: 127.0.0.1 v4: passed v6: didn't pass v6: passed v4 or v6: passed
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: IP address validation test: 127.0.0.1 Fatal error: Call to undefined function filter_var() in /in/hAgXm on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9: IP address validation test: 127.0.0.1 Fatal error: Call to undefined function: filter_var() in /in/hAgXm on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: IP address validation test: 127.0.0.1 Fatal error: Call to undefined function: filter_var() in /in/hAgXm on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1: IP address validation test: 127.0.0.1 Fatal error: Call to undefined function: filter_var() in /in/hAgXm on line 6

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