PHP array_reverse () function
Examples
Returns an array of inverted order:
<?php
$a=array("a"=>"Volvo","b"=>"BMW","c"=>"Toyota");
print_r(array_reverse($a));
?>
$a=array("a"=>"Volvo","b"=>"BMW","c"=>"Toyota");
print_r(array_reverse($a));
?>
Running instance »
Definition and Usage
array_reverse () function returns an array of inverted order.
grammar
array_reverse( array,preserve )
参数 | 描述 |
---|---|
array | 必需。规定数组。 |
preserve | 可选。规定是否保留原始数组的键名。
可能的值:
|
technical details
return value: | Returns an array of flipped. |
---|---|
PHP version: | 4+ |
Update log: | preserve parameter is new in PHP 4.0.3. |
More examples
Example 1
Return the original array, the array flip, flip the array retained the original array of key names:
<?php
$a=array("Volvo","XC90",array("BMW","Toyota"));
$reverse=array_reverse($a);
$preserve=array_reverse($a,true);
print_r($a);
print_r($reverse);
print_r($preserve);
?>
$a=array("Volvo","XC90",array("BMW","Toyota"));
$reverse=array_reverse($a);
$preserve=array_reverse($a,true);
print_r($a);
print_r($reverse);
print_r($preserve);
?>
Running instance »
Complete PHP Array Reference