73 lines
1.3 KiB
PHP
73 lines
1.3 KiB
PHP
--TEST--
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Test usort() function : usage variations - duplicate keys and values
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--FILE--
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<?php
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/*
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* Pass an array with duplicate keys and values to usort() to test behaviour
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*/
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echo "*** Testing usort() : usage variation ***\n";
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function cmp($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 > $value2) {
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return 1;
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}
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else
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return -1;
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}
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// Array with duplicate string and integer keys and values
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$array_arg = array(0 => 2, "a" => 8, "d" => 9,
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3 => 3, 5 => 2, "o" => 6,
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"z" => -99, 0 => 1, "z" => 3);
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echo "\n-- Array with duplicate keys --\n";
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var_dump( usort($array_arg, 'cmp') );
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var_dump($array_arg);
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// Array with default and assigned keys
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$array_arg = array(0 => "Banana", 1 => "Mango", "Orange", 2 => "Apple", "Pineapple");
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echo "\n-- Array with default/assigned keys --\n";
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var_dump( usort($array_arg, 'cmp') );
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var_dump($array_arg);
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?>
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--EXPECT--
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*** Testing usort() : usage variation ***
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-- Array with duplicate keys --
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bool(true)
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array(7) {
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[0]=>
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int(1)
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[1]=>
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int(2)
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[2]=>
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int(3)
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[3]=>
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int(3)
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[4]=>
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int(6)
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[5]=>
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int(8)
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[6]=>
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int(9)
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}
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-- Array with default/assigned keys --
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bool(true)
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array(4) {
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[0]=>
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string(5) "Apple"
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[1]=>
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string(6) "Banana"
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[2]=>
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string(5) "Mango"
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[3]=>
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string(9) "Pineapple"
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}
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