How to Extract the First N Elements from a PHP Array?

How to Get the First N Elements of an Array

This question has already been addressed in a previous discussion. Here's the best solution:

Use array_slice()

The PHP manual provides an example:

<code class="php">$input = array("a", "b", "c", "d", "e");
$output = array_slice($input, 0, 3);   // returns "a", "b", and "c"</code>

Caution:

array_slice() resets and reorders the numeric array indices. To preserve the original indices, set the preserve_keys flag to true (4th parameter, available since PHP 5.0.2):

<code class="php">$output = array_slice($input, 2, 3, true);</code>

This will produce the following output, preserving the original indices:

<code class="php">array([3]=>'c', [4]=>'d', [5]=>'e');</code>

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