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<?php // Updating var1 would update var2 as well. $var1 = $var2 = Url::create(); $var1->setQuery(); var_dump($var2); // Clone shouldn't be an issue. $var3 = Url::create(); $var4 = clone $var3; $var3->setQuery(); var_dump($var4); class Url { protected $query = FALSE; public static function create() { return new static(); } public function setQuery() { $this->query = TRUE; return $this; } }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(Url)#1 (1) { ["query":protected]=> bool(true) } object(Url)#3 (1) { ["query":protected]=> bool(false) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(Url)#1 (1) { ["query":protected]=> bool(true) } object(Url)#3 (1) { ["query":protected]=> bool(false) }

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186.39 ms | 402 KiB | 210 Q