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PHP PHP Arrays and Control Structures PHP Loops For Looping

David Baker
PLUS
David Baker
Courses Plus Student 14,543 Points
Posted by David Baker
David Baker
Courses Plus Student 14,543 Points

Challenge Task 2 of 2. Arrays and Control Structures within FOR loops

Totally lost here Team. How do I display the value after the number?

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) {
        echo $i . "<br />\n";
    if (isset($facts)) {
            echo $facts;
    }
}
David Baker
David Baker
Courses Plus Student 14,543 Points
David Baker
David Baker
Courses Plus Student 14,543 Points

Ross Holland, Thank you so much! Perfect,

David

1 Answer

Ross Holland
Ross Holland
3,338 Points
Ross Holland
Ross Holland
3,338 Points

THIS IS A STEP BY STEP EXPLANATION FOR EVERONE but you can just read step 3...

Hi there Dave!

Hope i can help you out here :) as i just did this like 1 hour ago.

so this is how i did it :

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

Explanation (step by step but your issue is at the bottom )=>

remember that $i is referring to the " key" in the associative array? 1.>> so all you are doing is displaying all numbers from 1 to 100 2.>> Then you are checking IF it just so happens to be TRUE that any of the numbers looped through when increasing $i (the number that is going up) also "coincidentally" ;) correlate with any of the Keys ( $facts[$i]) in the array $facts. 3.>> IF what i referred to above is true then... you are only displaying the actual fact which you refer to by echoing $facts[$i]. 4.>> Lastly you are adding a line break regardless of whether the conditional was true or false.

cheers