<?php

function countHoles($str)
{
    $count = 0;
    $chars = str_split($str);
    foreach ($chars as $char) {
        if (in_array($char, ["B", "8"])) {
            $count += 2;
        } elseif (in_array($char, ["A", "D", "O", "P", "Q", "R", "a", "b", "d", "e", "g", "o", "p", "q", "4", "6", "9", "0"])) {
            $count += 1;
        }
    }
    return $count;
}
print countHoles("This is a WebLab exercise that has 12 holes in it");
Beispiel #2
0
<?php

/**
 * Created by PhpStorm.
 * User: Ute
 * Date: 9/3/2015
 * Time: 8:10 PM
 */
$myLetters = "ABCABD";
$MyCount = countHoles($myLetters);
//echo "<br />Found " .$MyCount . " holes.<br />";
function countHoles($MyStr)
{
    $letters = array('A' => 1, 'B' => 2, 'D' => 1, 'G' => 0);
    $count = 0;
    $count2 = 0;
    $count3 = 0;
    $characters = str_split($MyStr, 1);
    foreach ($characters as $thisChar) {
        if ($letters[$thisChar] > 0) {
            $count += $letters[$thisChar];
        }
        // Alternative short form for the if statement
        // $charVal is assigned the value found at the index or 0
        // depending if the key at the index matches the character
        // we are currently looking at.
        // Then we just add the value returned by the comparison
        //   $charVal = $letters[$thisChar] || 0;
        //   $count += $charVal;
        $charVal = $letters[$thisChar];
        if ($charVal) {