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PHP Array Functions

PHP provides several array functions for manipulating and working with arrays.

Example of PHP Array Functions

<?php
$colors = array("red", "green", "blue");

echo count($colors) . "\n";
// Outputs: 3

echo implode(", ", $colors) . "\n";
// Outputs: red, green, blue

$colors[] = "yellow";

echo count($colors) . "\n";
// Outputs: 4

$colors = array_merge($colors, array("orange", "purple"));

echo count($colors) . "\n";
// Outputs: 6

$colors = array_unique($colors);

echo count($colors) . "\n";
// Outputs: 6

$colors = array_reverse($colors);

echo implode(", ", $colors) . "\n";
// Outputs: purple, orange, yellow, blue, green, red
?>

Output:

3
red, green, blue
4
6
6
purple, orange, yellow, blue, green, red

Explanation: This example demonstrates the use of several array functions in PHP, including count(), implode(), array_merge(), array_unique(), and array_reverse().

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