dahse89

<?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

<?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

<?php

/**
 * Recursive builder pattern
 *
 * Usage:

 * $tree = \Tree\Builder::init()
 *   ->setName('parent')
 *   ->addChild()