Philipp Dahse dahse89

dahse89 / stringSimilarity.php

Last active December 14, 2016 16:08

hackerrank stringSimilarity solution php

	<?php

	function stringSimilarity( $a) {
	$a = trim($a);
	$cutPrefix = $sum = 0;
	$length = strlen($a);
	do{
	$count = 0;
	while($a[$count] === substr($a,$cutPrefix+($count++), 1)){}
	$sum += $count -1;

dahse89 / salesForceIdChecksum.func.php

Last active October 26, 2016 12:16

salesforce 15 digit to 18 digit id. Function to calculate the checksum.

	<?php

	function salesForceIdChecksum($id)
	{
	$map = implode('',array_merge(range('A', 'Z'), range(0, 9)));
	$checksum = '';

	foreach (str_split($id, 5) as $chunk) {
	$checksum .= substr($map, bindec( strrev(array_reduce(str_split($chunk, 1),function($carry, $item){
	$carry .= (!is_numeric($item) && $item == strtoupper($item)) ? '1' : '0';

dahse89 / TreeBuilder.php

Last active June 24, 2016 11:02 — forked from mistic100/TreeBuilder.php

[PHP] Recursive builder pattern