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<?php class billing{ private $cache=array(); public function resetCache(){ $this->cache=array(); return $this; } } class billing_info extends billing{ public function getPassword() { return $this->resetCache(); } } $o=new billing_info; var_dump($o->resetCache());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 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(billing_info)#1 (1) { ["cache":"billing":private]=> array(0) { } }
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(billing_info)#1 (1) { ["cache":"billing":private]=> array(0) { } }

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174.05 ms | 402 KiB | 172 Q