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<?php class demo { public $n = 0; function __construct() { $this->n =& $this->n; } function magic() { if ($this->n) return; } function set($n) { $this->n = $n; } } // Outputs 1 = 1 as expected $a1 = new demo(); $b1 = clone $a1; $a1->magic(); $b1->set(1); echo "{$a1->n} = {$b1->n}\n"; // Outputs 0 = 1 (magic() method is called a little earlier) $a2 = new demo(); $a2->magic(); $b2 = clone $a2; $b2->set(1); echo "{$a2->n} = {$b2->n}\n";
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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
0 = 1 0 = 1
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 0 = 1 0 = 1
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
1 = 1 0 = 1
Output for 5.0.0 - 5.0.5
1 = 1 1 = 1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VTJMI on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VTJMI on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/VTJMI on line 6
Process exited with code 255.
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311.37 ms | 401 KiB | 468 Q