The code example as stated has a missing '.', causing a syntax error if it is pasted and executed without being checked.
Correct Code:
<?php
$asn = geoip_asnum_by_name('www.example.com');
if ($asn) {
echo 'The ASN is: ' . $asn;
}
?>
geoip_asnum_by_name
(PECL geoip >= 1.1.0)
geoip_asnum_by_name — Get the Autonomous System Numbers (ASN)
說明
string geoip_asnum_by_name
( string
$hostname
)The geoip_asnum_by_name() function will return the Autonomous System Numbers (ASN) associated with an IP address.
參數
-
hostname -
The hostname or IP address.
回傳值
Returns the ASN on success, or FALSE if the address
cannot be found in the database.
範例
Example #1 A geoip_asnum_by_name() example
This will output the ASN of the host www.example.com.
<?php
$asn = geoip_asnum_by_name('www.example.com');
if ($asn) {
echo 'The ASN is: ' $asn;
}
?>
上例將輸出：
The ASN is: AS15133 EdgeCast Networks, Inc
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User Contributed Notes 1 note
edwin at theroyalstudent dot com ¶
9 years ago
