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--TEST--
Test sort() function : usage variations - sort reference values
--FILE--
<?php
/* Prototype : bool sort ( array &$array [, int $sort_flags] )
* Description: This function sorts an array.
Elements will be arranged from lowest to highest when this function has completed.
* Source code: ext/standard/array.c
*/
/*
* Testing sort() by providing reference variable array with following flag values
* flag value as defualt
* SORT_REGULAR - compare items normally
* SORT_NUMERIC - compare items numerically
*/
echo "*** Testing sort() :usage variations ***\n";
$value1 = 100;
$value2 = 33;
$value3 = 555;
// an array containing integer references
$unsorted_numerics = array( &$value1 , &$value2, &$value3);
echo "\n-- Testing sort() by supplying reference variable array, 'flag' value is defualt --\n";
$temp_array = $unsorted_numerics;
var_dump( sort($temp_array) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing sort() by supplying reference variable array, 'flag' = SORT_REGULAR --\n";
$temp_array = &$unsorted_numerics;
var_dump( sort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing sort() by supplying reference variable array, 'flag' = SORT_NUMERIC --\n";
$temp_array = &$unsorted_numerics;
var_dump( sort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
var_dump( $temp_array);
echo "Done\n";
?>
--EXPECTF--
*** Testing sort() :usage variations ***
-- Testing sort() by supplying reference variable array, 'flag' value is defualt --
bool(true)
array(3) {
[0]=>
&int(33)
[1]=>
&int(100)
[2]=>
&int(555)
}
-- Testing sort() by supplying reference variable array, 'flag' = SORT_REGULAR --
bool(true)
array(3) {
[0]=>
&int(33)
[1]=>
&int(100)
[2]=>
&int(555)
}
-- Testing sort() by supplying reference variable array, 'flag' = SORT_NUMERIC --
bool(true)
array(3) {
[0]=>
&int(33)
[1]=>
&int(100)
[2]=>
&int(555)
}
Done
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