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330cc5cdb2
RFC: https://wiki.php.net/rfc/deprecate-implicitly-nullable-types Co-authored-by: Gina Peter Banyard <girgias@php.net>
19 lines
360 B
PHP
19 lines
360 B
PHP
--TEST--
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ASSIGN_OP 002: Incorrect optimization of ASSIGN_OP may lead to incorrect result (sub assign -> pre dec conversion for null values)
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--INI--
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opcache.enable=1
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opcache.enable_cli=1
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opcache.optimization_level=-1
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--FILE--
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<?php
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function foo(?int $a = null) {
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$a -= 1;
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return $a;
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}
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var_dump(foo(2));
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var_dump(foo(null));
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?>
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--EXPECT--
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int(1)
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int(-1)
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