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116 lines
1.8 KiB
PHP
116 lines
1.8 KiB
PHP
--TEST--
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Test usort() function : usage variations - diff. array values
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--FILE--
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<?php
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/* Prototype : bool usort(array $array_arg, string $cmp_function)
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* Description: Sort an array by values using a user-defined comparison function
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* Source code: ext/standard/array.c
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*/
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/*
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* Pass an array with different data types as keys to usort() to test how it is re-ordered
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*/
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echo "*** Testing usort() : usage variation ***\n";
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function cmp_function($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 > $value2) {
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return -1;
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}
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else {
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return 1;
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}
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}
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// different heredoc strings
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// single line heredoc string
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$simple_heredoc = <<<EOT2
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simple
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EOT2;
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// multiline heredoc string
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$multiline_heredoc = <<<EOT3
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multiline heredoc with 123
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and speci@! ch@r..\ncheck\talso
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EOT3;
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$array_arg = array(
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// numeric keys
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-2 => 9,
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8.9 => 8,
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012 => 7,
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0x34 => 6,
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// string keys
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'key' => 5, //single quoted key
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"two" => 4, //double quoted key
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" " => 0, // space as key
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// bool keys
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TRUE => 100,
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FALSE => 25,
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// null keys
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NULL => 35,
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// binary key
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"a".chr(0)."b" => 45,
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b"binary" => 30,
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//heredoc keys
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$simple_heredoc => 75,
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$multiline_heredoc => 200,
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// default key
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1,
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);
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var_dump( usort($array_arg, 'cmp_function') );
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echo "\n-- Sorted array after usort() function call --\n";
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var_dump($array_arg);
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?>
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===DONE===
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--EXPECTF--
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*** Testing usort() : usage variation ***
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bool(true)
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-- Sorted array after usort() function call --
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array(15) {
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[0]=>
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int(200)
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[1]=>
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int(100)
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[2]=>
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int(75)
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[3]=>
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int(45)
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[4]=>
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int(35)
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[5]=>
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int(30)
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[6]=>
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int(25)
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[7]=>
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int(9)
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[8]=>
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int(8)
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[9]=>
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int(7)
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[10]=>
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int(6)
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[11]=>
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int(5)
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[12]=>
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int(4)
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[13]=>
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int(1)
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[14]=>
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int(0)
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}
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===DONE===
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