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53 lines
993 B
53 lines
993 B
--TEST--
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array_unique: sort flags
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--FILE--
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<?php
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function main() {
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// SORT_STRING (default) - string comparison, 1 and "1" match
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$a = ["a" => 1, "b" => "1", "c" => 2, "d" => "2"];
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$r = array_unique($a, SORT_STRING);
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var_dump($r);
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// SORT_REGULAR - uses zend_compare, 1 and "1" match
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$b = ["a" => 1, "b" => "1", "c" => 2, "d" => "2"];
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$r = array_unique($b, SORT_REGULAR);
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var_dump($r);
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// SORT_NUMERIC - numeric comparison
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$c = ["a" => 1, "b" => "1.0", "c" => 2, "d" => "2.5"];
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$r = array_unique($c, SORT_NUMERIC);
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var_dump($r);
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// Keys preserved (first occurrence kept)
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$d = ["a" => "red", "b" => "green", "c" => "red"];
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$r = array_unique($d);
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var_dump($r);
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}
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?>
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--EXPECT--
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array(2) {
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["a"]=>
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int(1)
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["c"]=>
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int(2)
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}
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array(2) {
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["a"]=>
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int(1)
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["c"]=>
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int(2)
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}
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array(3) {
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["a"]=>
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int(1)
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["c"]=>
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int(2)
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["d"]=>
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string(3) "2.5"
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}
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array(2) {
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["a"]=>
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string(3) "red"
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["b"]=>
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string(5) "green"
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}
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