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46 lines
988 B
46 lines
988 B
--TEST--
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single-offset isset and coalesce on static arrays preserve PHP key and null semantics
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--FILE--
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<?php
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class StaticPresence
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{
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public static array $values = [
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'present' => 42,
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'null' => null,
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2 => 'two',
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'' => 'empty-key',
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];
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public static function has(mixed $key): bool
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{
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return isset(self::$values[$key]);
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}
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public static function get(mixed $key): mixed
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{
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return self::$values[$key] ?? 'fallback';
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}
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}
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function main(): void
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{
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var_dump(StaticPresence::has('present'));
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var_dump(StaticPresence::has('null'));
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var_dump(StaticPresence::has('missing'));
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var_dump(StaticPresence::has(2.9));
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var_dump(StaticPresence::has(null));
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var_dump(StaticPresence::get('present'));
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var_dump(StaticPresence::get('null'));
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var_dump(StaticPresence::get(null));
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}
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?>
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--EXPECT--
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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int(42)
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string(8) "fallback"
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string(9) "empty-key"
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