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116 lines
2.1 KiB
PHP
116 lines
2.1 KiB
PHP
--TEST--
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Test uasort() function : usage variations - sort array having subarrays
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--FILE--
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<?php
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/* Prototype : bool uasort(array $array_arg, string $cmp_function)
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* Description: Sort an array with a user-defined comparison function and maintain index association
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* Source code: ext/standard/array.c
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*/
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/*
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* Testing uasort() with 'array_arg' having different subarrays as array elements
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*/
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// comparison function
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/* Prototype : int cmp_function(mixed $value1, mixed $value2)
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* Parameters : $value1 and $value2 - values to be compared
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* Return value : 0 - if both values are same
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* 1 - if value1 is greater than value2
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* -1 - if value1 is less than value2
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* Description : compares value1 and value2
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*/
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function cmp_function($value1, $value2)
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{
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if($value1 == $value2) {
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return 0;
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}
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else if($value1 > $value2) {
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return 1;
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}
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else {
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return -1;
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}
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}
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echo "*** Testing uasort() : sorting array having different subarrays ***\n";
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$array_args = array(
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0 => array(2, 10, -1),
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1 => array(100),
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2 => array(),
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3 => array(0),
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4 => array(-1),
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5 => array(-9, 34, 54, 0, 20),
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6 => array(''),
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7 => array("apple", "Apple", "APPLE", "aPPle", "aPpLe")
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);
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$temp_array = $array_args;
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// sorting array_arg as whole array
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var_dump( uasort($temp_array, 'cmp_function') ); // expecting: bool(true)
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var_dump($temp_array);
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?>
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--EXPECTF--
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*** Testing uasort() : sorting array having different subarrays ***
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bool(true)
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array(8) {
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[2]=>
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array(0) {
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}
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[4]=>
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array(1) {
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[0]=>
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int(-1)
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}
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[6]=>
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array(1) {
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[0]=>
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string(0) ""
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}
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[3]=>
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array(1) {
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[0]=>
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int(0)
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}
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[1]=>
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array(1) {
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[0]=>
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int(100)
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}
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[0]=>
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array(3) {
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[0]=>
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int(2)
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[1]=>
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int(10)
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[2]=>
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int(-1)
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}
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[5]=>
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array(5) {
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[0]=>
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int(-9)
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[1]=>
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int(34)
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[2]=>
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int(54)
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[3]=>
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int(0)
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[4]=>
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int(20)
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}
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[7]=>
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array(5) {
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[0]=>
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string(5) "apple"
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[1]=>
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string(5) "Apple"
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[2]=>
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string(5) "APPLE"
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[3]=>
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string(5) "aPPle"
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[4]=>
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string(5) "aPpLe"
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}
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}
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