PHP script to including for randomization of html ids and classes, css selectors, js variables or else. Usefull against automated man-in-the-browser activities like bruteforce attacks

#php-random-names-generator.php

<?php 
	/*
	** ###### Names Of Odin v1.0.0 ###### (previously published as repository)
	** by Sett Sarverott @ 2018
	** MIT Licence
	*/
	class namesGenotype{
		private $nameslength;
		private $nameseed=[];
		public $namesspace=array();
		public function __construct($len=10){
			$this->nameslength=$len;
			for($i=0;$i<$this->nameslength;$i++){
				if($i==0){
					$this->nameseed[]=rand(0,25);
				}else{
					$this->nameseed[]=rand(0,25);
				}
			}
		}
		private function letter_alg($notfirst, $x, $seed){
			$var=0;
			if($x%2==0){
				$var=$seed-round($x/2);
			}else{
				$var=$seed+$x-round(($x-1)/2);
			}
			if($var<0){
				$var+=26;
			}elseif($var>=26){
				$var%=26;
			}
			if($var<26&&$var>=0){
				return chr($var+97);
			}
		}
		public function get_name($index){
			if(!isset($this->namesspace[$index])){
				$this->namesspace[$index]="";
				for($i=0;$i<$this->nameslength;$i++){
					$this->namesspace[$index]=$this->letter_alg($i,round($index/(pow(26, $i)))%26,$this->nameseed[$i]).$this->namesspace[$index];
				}
			}
			return $this->namesspace[$index];
		}
	}

example-of-usage.php

<!--
example of class names mutation, used in css, js and html
-->
<?php 
	define("TEST_LENGTH_NAMES", 5);
	include "names-of-odin.php";
	$selektory=new namesGenotype(TEST_LENGTH_NAMES);
?>
<style>
	.<?php echo $selektory->get_name(0); ?>{
		color:#f0f;
	}
	.<?php echo $selektory->get_name(1); ?>{
		color:#00f;
	}
	.<?php echo $selektory->get_name(2); ?>{
		background:#faa;
	}
	.<?php echo $selektory->get_name(999999); ?>{
		text-decoration:underline overline;
		font-size:23px;
	}
	#<?php echo $selektory->get_name(880); ?>{
		font-family:arial;
	}
	.<?php echo $selektory->get_name(696969); ?>{
		clear:both;
	}
	#<?php echo $selektory->get_name(1234567); ?>, #<?php echo $selektory->get_name(7654321); ?>{
		float:left;
	}
	#<?php echo $selektory->get_name(7654321); ?>{
		width: 59%;
	}
	#<?php echo $selektory->get_name(1234567); ?>{
		width: 40%;
	}
</style>
<script>
	var i=0;
	var a=['#f00','#0f0','#00f'];
	setInterval(function(){
		i++;
		console.log(":::START::: color changing for class: '<?php echo $selektory->get_name(999999); ?>' at "+(i*0.5)+((i%2==0)?".0":"")+"s - changing color into: "+a[i%3]);
		for(var j=0;j<document.getElementsByClassName('<?php echo $selektory->get_name(999999); ?>').length;j++){
			document.getElementsByClassName('<?php echo $selektory->get_name(999999); ?>')[j].style.color=a[i%3];
			console.log("element with class nr."+(1+j));
		}
		console.log(":::END:::");
		console.log("- - - - -");
	}, 500);
</script>
<h1 class="<?php echo $selektory->get_name(0); ?>">
	Title with class named "<mark><?php echo $selektory->get_name(0); ?></mark>"
</h1>
<p class="<?php echo $selektory->get_name(1)." ".$selektory->get_name(2); ?>" id="<?php echo $selektory->get_name(880); ?>">
	paragrah with classes named "
	<mark>
		<?php echo $selektory->get_name(1); ?>
	</mark>
	" and "
	<mark>
		<?php echo $selektory->get_name(2); ?>
	</mark>
	" and with id "
	<mark>
		<?php echo $selektory->get_name(880); ?>
	</mark>"
</p>
<br>
<br>
<div>
	current names length: 
	<span class="<?php echo $selektory->get_name(999999); ?>">
		<?php echo TEST_LENGTH_NAMES; ?>
	</span>
	<br>
	<br>
	maximum number of names for 
	<?php echo TEST_LENGTH_NAMES; ?>
	char length: 
	<span class="<?php echo $selektory->get_name(999999); ?>">
		<?php echo pow(26, TEST_LENGTH_NAMES); ?>
	</span>
</div>
<br>
<br>
<div>
	<div id="<?php echo $selektory->get_name(7654321); ?>">
		<h1>List of existing in memory randomised names</h1>
		<pre><?php 
			//for($i=0;$i<100;$i++) $selektory->get_name($i);
			var_dump($selektory->namesspace); 
		?></pre>
	</div>
	<div id="<?php echo $selektory->get_name(1234567); ?>">
		<h3>List after using 10 random names</h3>
		<pre><?php 
			for($i=0;$i<10;$i++) $selektory->get_name(round(rand()^2/32768));
			var_dump($selektory->namesspace); 
		?></pre>
	</div>
	<div class="<?php echo $selektory->get_name(696969); ?>"></div>
</div>

LICENSE

MIT License

Copyright (c) 2018 Sett Sarverott

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.