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PHP PHP Arrays and Control Structures PHP Loops For Looping

Heather Newton
Heather Newton
13,598 Points
Posted by Heather Newton
Heather Newton
13,598 Points

PHP and Control Structures coding challenge exercise 2

For the PHP and Control Structures coding challenge, the code evaluator is returning the string of numbers that evaluate to true in my if statement instead of the string of numbers 1-100. I keep getting an error the exercise 1 is no longer correct, but I don't see how this can be avoided, since I need to get these numbers to evaluate to true to pass the second challenge.

I'm not echoing these numbers in the second exercise. They seem to just print on their own in the preview.

index.php 
<?php
$facts = array(
    57 => ' on Heinz ketchup bottles represents the number of varieties of pickles the company once had.',
    2 => ' is the approximate hours a day Giraffes sleeps',
    18 => ' is the average hours a Python sleeps per day',
    10 => ' per cent of the world is left-handed.',
    11 => ' Empire State Buildings, stacked one on top of the other, would be required to measure the Gulf of Mexico at its deepest point.',
    98 => '% of the atoms in your body are replaced every year',
    69 => ' is the largest number of recorded children born to one woman',
);
//add your loop below this line


for ($i = 1; $i <= 100; $i++) {
  if (isset($facts[$i])) {
    echo $i . " " . $facts[$i] ."<br>\n"; 
  }
}

2 Answers

Jennifer Nordell
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

Hi there, Heather! Your code is functional, but it's not doing exactly what they are planning on it doing. The reason it says that task 1 is no longer passing is because task 1 requires you to print out all numbers between 1 and 100. Your code no longer does that. It only prints out the number if it matches one of the keys that are set in the array. What it's expecting is all numbers to still be printed out, but the ones that have a match should also print out the string associated with that key. Take a look:

for ($i = 1; $i <= 100; $i++) {
  echo $i;
  if (isset($facts[$i])) {
    echo $facts[$i] ."<br>\n"; 
  }
}

Essentially, the original echo $i should be left in place so that all numbers between 1 and 100 (inclusive) are echoed out. The ones where the number is set as the key should also print out the additional value associated with that key.

Hope this helps! :sparkles:

Fabian Pijpers
Fabian Pijpers
Courses Plus Student 41,372 Points

Thanks for showing me where exactly the mistake was in the details otherwise this would have taken me forever.

Heather Newton
Heather Newton
13,598 Points
Heather Newton
Heather Newton
13,598 Points

Yes, that fixed it. Thanks!