add an element with value to an array in php

Question

i have this code with missing part and the output:

<?php
$months = array('four'=>'April', 'five'=>'May');
Missing#6;
Missing#7;
echo $months['nine']."<br>";
echo $months['ten'];
?>

The output:

**September

October**

and since it has two lines missing, I tried doing


<?php
$months = array('four'=>'April', 'five'=>'May');
$months[] = array('nine'=>'september');
$months = array('ten'=>'october');
echo $months['nine'], "\n";
echo $months['ten'];
?>

but in the compiler only print October and an error for nine:

PHP Notice: Undefined index: nine in 1784341836/source.php on line 5

You are missing the square brackets after $months on the line that assigns ten => October — bumperbox
– bumperbox, Commented Dec 14, 2021 at 18:40

Jordan Casey · Accepted Answer · 2021-12-14 18:39:59Z

2

You can add values with associated keys by accessing the array at that key and assigning the value.

<?php
$months = array('four'=>'April', 'five'=>'May');
$months['nine'] = 'September';
$months['ten'] = 'October';
echo $months['nine'], "\n";
echo $months['ten'];
?>

This will return:

September
October

answered Dec 14, 2021 at 18:39

Jordan Casey

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