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143 lines
2.7 KiB
PHP
143 lines
2.7 KiB
PHP
--TEST--
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Test usort() function : usage variations - string data
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--FILE--
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<?php
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/* Prototype : bool usort(array $array_arg, string $cmp_function)
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* Description: Sort an array by values using a user-defined comparison function
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* Source code: ext/standard/array.c
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*/
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/*
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* Pass arrays of string data to usort() to test how it is re-ordered
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*/
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echo "*** Testing usort() : usage variation ***\n";
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function cmp_function($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 > $value2) {
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return 1;
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}
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else {
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return -1;
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}
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}
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// Different heredoc strings to be sorted
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$empty_heredoc =<<<EOT
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EOT;
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$simple_heredoc1 =<<<EOT
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Heredoc
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EOT;
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$simple_heredoc2 =<<<EOT
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HEREDOC
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EOT;
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$multiline_heredoc =<<<EOT
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heredoc string\twith!@# and 123
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Test this!!!
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EOT;
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// Single quoted strings
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$single_quoted_values = array(
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0 => ' ', 1 => 'test', 3 => 'Hello', 4 => 'HELLO',
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5 => '', 6 => '\t', 7 => '0', 8 => '123Hello',
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9 => '\'', 10 => '@#$%'
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);
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echo "\n-- Sorting Single Quoted String values --\n";
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var_dump( usort($single_quoted_values, 'cmp_function') );
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var_dump($single_quoted_values);
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// Double quoted strings
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$double_quoted_values = array(
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0 => " ", 1 => "test", 3 => "Hello", 4 => "HELLO",
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5 => "", 6 => "\t", 7 => "0", 8 => "123Hello",
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9 => "\"", 10 => "@#$%"
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);
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echo "\n-- Sorting Double Quoted String values --\n";
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var_dump( usort($double_quoted_values, 'cmp_function') );
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var_dump($double_quoted_values);
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// Heredoc strings
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$heredoc_values = array(0 => $empty_heredoc, 1 => $simple_heredoc1,
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2 => $simple_heredoc2, 3 => $multiline_heredoc);
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echo "\n-- Sorting Heredoc String values --\n";
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var_dump( usort($heredoc_values, 'cmp_function') );
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var_dump($heredoc_values);
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?>
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===DONE===
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--EXPECTF--
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*** Testing usort() : usage variation ***
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-- Sorting Single Quoted String values --
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bool(true)
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array(10) {
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[0]=>
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string(0) ""
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[1]=>
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string(1) " "
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[2]=>
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string(1) "'"
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[3]=>
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string(1) "0"
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[4]=>
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string(8) "123Hello"
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[5]=>
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string(4) "@#$%"
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[6]=>
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string(5) "HELLO"
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[7]=>
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string(5) "Hello"
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[8]=>
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string(2) "\t"
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[9]=>
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string(4) "test"
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}
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-- Sorting Double Quoted String values --
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bool(true)
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array(10) {
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[0]=>
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string(0) ""
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[1]=>
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string(1) " "
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[2]=>
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string(1) " "
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[3]=>
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string(1) """
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[4]=>
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string(1) "0"
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[5]=>
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string(8) "123Hello"
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[6]=>
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string(4) "@#$%"
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[7]=>
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string(5) "HELLO"
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[8]=>
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string(5) "Hello"
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[9]=>
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string(4) "test"
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}
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-- Sorting Heredoc String values --
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bool(true)
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array(4) {
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[0]=>
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string(0) ""
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[1]=>
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string(7) "HEREDOC"
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[2]=>
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string(7) "Heredoc"
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[3]=>
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string(%d) "heredoc string with!@# and 123
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Test this!!!"
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}
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===DONE===
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