September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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krsort
bool krsort(array array, [int flag])
| array | Array to be sorted |
| flag | Flag specifying how to compare key values (PHP 4.0.0+ only) |
Sorts an array in descending order by key.
Returns:
TRUE on success; NULL on failure
Description:
This function sorts array in descending order by key. array is directly modified. (PHP 4.0.0+ only) The way in which element values are compared can be modified by passing one of the following named constants as flag :
| SORT_REGULAR | Compare element keys according to PHP’s normal comparison rules. This is the default if flag is not given. |
| SORT_NUMERIC | Compare element keys according to their numeric values. |
| SORT_STRING | Compare element keys according to their string values. |
Version:
PHP 3 since 3.0.13, PHP 4 since ...
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