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