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Start your free trialnicholasgryczewski
2,919 PointsUse the function isset to test if the incremented value equals one of the keys in the $facts array.
Use the function isset to test if the incremented value equals one of the keys in the $facts array. If there is a key that matches, display the value AFTER the number.
NOTE: all numbers between 1 and 100 should still be displayed
<?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++) {echo $i;}
if (isset($i)) {echo $i++;}
nicholasgryczewski
2,919 PointsI already did that part but with $I instead of $x
Amber O'Rear
7,791 PointsDo a search for this question, I asked it yesterday. The answer is there. for ( $i = 1; $i <= 100; $i++ ) { echo $i; if (isset($facts[$i])) { echo $facts[$i]; } }
2 Answers
Antonio De Rose
20,885 PointsJust as Amber mentioned try do a search on this question, if you do not get it, here is the link for the answer, https://teamtreehouse.com/community/use-the-function-isset-to-test-if-the-incremented-value-equals-one-of-the-keys-in-the-facts-array-if-there-is-a-key-th
Lee Ravenberg
10,018 PointsWhen you are inside the loop, you need to check the presence of the number within the $facts
array. You can use the isset()
function for this.
Within the loop, you write isset($i)
, which evaluates if $i
is set. But you are not evaluating if the $facts[$i]
value is set.
Fabien Morgan
11,312 PointsFabien Morgan
11,312 PointsThe solution is: for ($x = 1; $x <= 100; $x++) { echo "$x"; }