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<?php class A { public function __construct ( private readonly string $value ) {} public function getValue() { return $this->value; } } class_alias('A', 'B'); $x = 'O:1:"B":2:{s:8:"' . "\0" . 'A' . "\0" . 'value";s:1:"a";s:8:"' . "\0" . 'B' . "\0" . 'value";s:1:"b";}'; $obj = unserialize($x); var_dump( $obj, $obj->getValue() );
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Deprecated: Creation of dynamic property A::$value is deprecated in /in/Zp82B on line 14 object(A)#1 (2) { ["value":"A":private]=> string(1) "a" ["value":"B":private]=> string(1) "b" } string(1) "a"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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