PHP/Data Structure/array reverse

array_reverse() function reverses the order of the array elements.

 
//The syntax is: array array_reverse(array array)
<?
$u = array ("A", "B", "C", "D");
$u = array_reverse ($u);
print_r($u);
?>

Concisely reversing a string by word

 
<?php
$reversed_s = implode(" ",array_reverse(explode(" ",$s)));
?>

Return an array with elements in reverse order

 
<?
$input = array ("php", 4.0, array ("green", "red"));
$result = array_reverse ($input);
?>

Reversing an Array Using array_reverse()

 
<?php 
    $dogs = array("A" => "C", "B" => "D", "X" => "Z", "Q" => "T"); 
    
    array_reverse($dogs); 
    printf("<pre>%s</pre>\n", var_export($dogs, TRUE)); 
    
    
    $nums = array(5, 2.2, -4, 2.3, 10); 
    array_reverse($nums); 
    printf("<pre>%s</pre>\n", var_export($nums, TRUE)); 
?>

Reversing a string by word

 
<?php
    $s = "Once upon a time there was a turtle.";
    
    $words = explode(" ",$s);
    
    $words = array_reverse($words);
    
    $s = implode(" ",$words);
    print $s;
?>