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i tried to make an api like https://blackbox.ipinfo.app/lookup/127.0.0.1, but it always outputs N when i access https://exampledomain.com/?ip=127.0.0.1
whereas if I access https://exampledomain.com/?ip=1234 its work, whats wrong?


<?php
session_start();
unset($_GET);
$_GET = array();
$p0 = explode('&',file_get_contents('php://input'));
foreach ($p0 as $key => $value)
{
$p1 = explode('=',$value);
$_GET[$p1[0]] = $p1[1];
}
function get_data($data) {
$data = file_get_contents("data/$data.dat");
if(strcasecmp(substr(PHP_OS, 0, 3), 'WIN') == 0){
$data = explode("\r\n", $data);
}else{
$data = explode("\n", $data);
}
return $data;
}
$ips = get_data("ips");
echo (in_array($_GET['ip'], $ips)) ? 'Y' : 'N';
exit;
?>


What I have tried:

note get_data = array like 123,1.2.3.4, etc
Posted
Updated 1-Feb-23 12:48pm

1 solution

so your data is comma-separated, but you are trying to explode using line separators like \r\n.
suggest you simply do a var_dump() of $data at a couple of points to see what you actually have in there.
Also in_array() expects strings, and you are working with numerics, so careful there!
 
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