PHP array_reverse() function is used to reverse the order of the elements in an array. PHP array_reverse() function is PHP built-in function.
Syntax :
array_reverse (array $array , bool $preserve_keys = false);
Parameter,
$array : Required. It is input array.
$preserve_keys : Optional. Default value is false. If it set to true, numeric keys are preserved.
Return : It returns reversed array.
Let's see below example to understand php array_reverse() Function in details.
Example :
<?php
$array = array("php","html","css","java","mysql","asp","oracle");
$reversed_array = array_reverse($array );
echo "<br>Look at below array before reversing array<br>";
print_r($array);
echo "<br>Look at below array after reversing array<br>";
print_r($reversed_array );
echo "<br>Look at below array after reversing array where preserve_keys set to true<br>";
$preserved_array = array_reverse($array,true); //Numeric keys are preserved
print_r($preserved_array );
?>
Output :
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