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83 lines
1.7 KiB
PHP
83 lines
1.7 KiB
PHP
--TEST--
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Test array_flip() function : usage variations - 'input' argument with repeatitive keys and values
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--FILE--
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<?php
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/* Prototype : array array_flip(array $input)
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* Description: Return array with key <-> value flipped
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* Source code: ext/standard/array.c
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*/
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/*
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* Using different types of repeatitive keys as well as values for 'input' array
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*/
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echo "*** Testing array_flip() : 'input' array with repeatitive keys/values ***\n";
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// array with numeric key repeatition
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$input = array(1 => 'value', 2 => 'VALUE', 1 => "VaLuE", 3.4 => 4, 3.4 => 5);
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var_dump( array_flip($input) );
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// array with string key repeatition
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$input = array("key" => 1, "two" => 'TWO', 'three' => 3, 'key' => "FOUR");
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var_dump( array_flip($input) );
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// array with bool key repeatition
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$input = array(true => 1, false => 0, TRUE => -1);
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var_dump( array_flip($input) );
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// array with null key repeatition
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$input = array(null => "Hello", NULL => 0);
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var_dump( array_flip($input) );
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// array with numeric value repeatition
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$input = array('one' => 1, 'two' => 2, 3 => 1, "index" => 1);
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var_dump( array_flip($input) );
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//array with string value repeatition
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$input = array('key1' => "value1", "key2" => '2', 'key3' => 'value1');
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var_dump( array_flip($input) );
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echo "Done"
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?>
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--EXPECTF--
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*** Testing array_flip() : 'input' array with repeatitive keys/values ***
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array(3) {
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["VaLuE"]=>
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int(1)
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["VALUE"]=>
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int(2)
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[5]=>
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int(3)
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}
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array(3) {
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["FOUR"]=>
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string(3) "key"
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["TWO"]=>
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string(3) "two"
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[3]=>
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string(5) "three"
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}
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array(2) {
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[-1]=>
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int(1)
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[0]=>
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int(0)
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}
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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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array(2) {
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[1]=>
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string(5) "index"
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[2]=>
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string(3) "two"
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}
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array(2) {
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["value1"]=>
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string(4) "key3"
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[2]=>
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string(4) "key2"
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}
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Done
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