how to get last index of array in php code example

Example 1: get key of last element php

//(PHP 7 >= 7.3.0)
$key = array_key_last($data);

//ALL PHP Versions
end($data);         // move the internal pointer to the end of the array
$key = key($data);  // fetches the key of the element pointed to by the internal pointer

Example 2: how to get last array element in php

<?php

$source_array = ['key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3'];

$result = end($source_array);

echo "Last element: ".$result;

?>