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--- uphp:library_functions:quick_sort [2021/12/27 08:42]
admin
+++ uphp:library_functions:quick_sort [2021/12/27 08:50] (current)
admin
@@ Line 34: / Line 34: @@
 <html><b><span style="color:blue">$method<span style="color:black"></b></html>: One of the following methods:
-<html>
 ^TYPE^VALUE^DESCRIPTION^
 | SORT_KEY   | 0     | Sort an array by the key                  |
 | SORT_VALUE | 1     | Sort an array by the value                |
-| SORT_FUNC  | 2     | Sort an array using a callback function   |
+| SORT_FUNC  | 2     | Sort an array using a callback function * only in OS4+  |
+<html><b><span style="color:blue">$callback<span style="color:black"></b></html>: optional string containing function name for callback of the method is SORT_FUNC.  The function needs to have 2 parameters, which will be the array elements.  These need to be compared and if the first array is less than the second array, the function should return 1, otherwise it should return 0.  See the example below.
 ====Return Values====
@@ Line 51: / Line 54: @@
 <pre><?
+include("/lib/uphp/array.inc");
 $unsorted = array();
 for ($i=0;$i<10;$i++) {

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