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archived-php-src/ext/opcache/tests/opt/dce_005.phpt
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Nikita Popov 902d64390e Deprecate implicit dynamic properties
Writing to a proprety that hasn't been declared is deprecated,
unless the class uses the #[AllowDynamicProperties] attribute or
defines __get()/__set().

RFC: https://wiki.php.net/rfc/deprecate_dynamic_properties
2021-11-26 14:10:11 +01:00

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590 B
PHP

--TEST--
DCE 005: Elimination of assignment to non-escaping objects (can't remove NEW yet)
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.optimization_level=-1
opcache.opt_debug_level=0x20000
opcache.preload=
--EXTENSIONS--
opcache
--FILE--
<?php
#[AllowDynamicProperties]
class A {
}
function foo(int $x) {
$a = new A;
$a->foo = $x;
}
?>
--EXPECTF--
$_main:
; (lines=1, args=0, vars=0, tmps=0)
; (after optimizer)
; %s
0000 RETURN int(1)
foo:
; (lines=2, args=1, vars=1, tmps=0)
; (after optimizer)
; %s
0000 CV0($x) = RECV 1
0001 RETURN null