BAD WORD VALIDATION

<?php
/* PHP Script
Bad Word Validation
Created By Wildan Izzudin.
    (c) 2018 Underxploit
*/
error_reporting(0);
function pac($str) {
    echo $str;
}

// --- Function Validasi --- //
function kotor($str, $bacots) {
        foreach($bacots as $bacot) {
    if(stristr($str, $bacot)) {
return false;
        }
   }
return true;
}

// --- Kata Yang Diblock --- //
$bacots = array('bacot', 'kentod', 'ngewe', 'anjing', 'babi', 'pantek', 'kampang', 'jancok');

// --- Konten --- //
pac('<html><head><title>BAD WORD VALIDATION</title><meta name="viewport" content="width=device-width, initial-scale=1">

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"/>
<style>

*{

    box-sizing: border-box;

}

*:focus {

    outline: 0;

}

@font-face {

    font-family: "Cabin";

    src: url("font/cabin.ttf");

}

@import url("http://fonts.googleapis.com/css?family=Cabin");
body {

    max-width:400px;

    background: #191919;

    font-family: "Cabin";

    font-size:14px;

    color:#1D9D73;

    margin:auto;
}

textarea {

    width:100%;

    height:250px;

    padding:6px;

    font-family: "Cabin";

    border:1px solid #222;

    background:none;

    color:#1D9D73;

    font-size:14px;

}

.input, input[type=submit] {

    font-family: "Cabin";

    padding:6px;

    width:100%;

    font-size:14px;

    border:1px solid #222;

    background:none;

    color:#1D9D73;

}

input[type=submit]:hover, .input:hover, textarea:hover {

    border:1px solid #1D9D73;

    transition: all 0.5s;

    padding:6px;

}

hr {

    border: 0;

    height: 1px;

    background-image: -webkit-linear-gradient(left, #1D9D73, #1D9D73, #1D9D73);

    background-image: -moz-linear-gradient(left, #1D9D73, #1D9D73, #1D9D73);

    background-image: -ms-linear-gradient(left, #1D9D73, #1D9D73, #1D9D73);

    background-image: -o-linear-gradient(left, #1D9D73, #1D9D73, #1D9D73);

}

::selection {

    background-color: rgba(201,223,255,0.2);

    color: #ffffff;

}

::-moz-selection {

    background-color: rgba(201,223,255,0.1);

    color: #ffffff;

}

h3 {

    font-weight: normal;

    font-size:15px;

}

table {
    width:100%;
}
.wrap {
    margin:10px;
}
</style>
</head><body>
');
pac('<center><br><br>
<h3>BAD WORD VALIDATION</h3></center>');
if(isset($_POST['submit'])) {
if(!kotor($_POST['kata'], $bacots)) {
    pac('<div class="wrap"><hr><center><br>Woy bangsat jangan so kerad ya, kalo ngomong itu di jaga udah muka lu kaya kontol patah, ngomong kasar pula pantek emang !! cuiih !!<br><br></center><hr></div>');
} else if(empty($_POST['kata'])) {
    pac('<div class="wrap"><hr><center><br>Tulis apa dulu kek -_-<br><br></center><hr></div>');
} else {
    pac('<div class="wrap"><hr><center><br>Unnch makasih ya udah gk kasar sama aku, makin sayang deh sama kamu luv luv muaaach <br>Cium hangat dari limbad <font color="pink"><i class="fa fa-heart"></i></font><br><br></center><hr></div>');
    }
} else {
 pac('<div class="wrap" style="margin:5px"><hr>Banned : [ <font color="red">bacot, kentod, ngewe, anjing, babi, pantek, jancok</font> ]<hr></div>
<form action="" method="post">
<table>
<td><textarea name="kata"></textarea>
</td></table><table>
<td><button class="input" name="submit" style="padding:8px"><i class="fa fa-angle-right"></i></button></td></table></form><center>');
}
?>