<?php

$content = file_get_contents(__DIR__.'/accounts');
$accounts = explode("\n", $content);
$accounts = array_filter(array_unique($accounts));
if(empty($accounts)){
    echo("Add accounts to file  'accounts', each in a new line.\n");
}


foreach($accounts as $account){
    if(check($account)){
        echo "$account - OK!\n";
    }else{
        echo "$account - ERR!\n";
    }
    //sleep(1); // in seconds
}

function check($username){
    $url = "https://www.instagram.com/{$username}/";
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    //curl_setopt($ch, CURLOPT_HEADER, true);
    //curl_setopt($ch, CURLOPT_NOBODY, true);
    curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36');
    $c = curl_exec($ch);
    //print_r(curl_getinfo($ch));
    //print_r($c);
    if(curl_getinfo($ch, CURLINFO_HTTP_CODE) === 404){
        return true;
    }
    return false;
}