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run code in 300+ PHP versions simultaneously
<?php abstract class Singleton { protected function __construct() {} protected function __clone() {} public static function getInstance() { static $instance = null; if (!$instance) { $instance = new static; } return $instance; } } class B extends Singleton { public $var = 2; } class F extends Singleton { public $var = 6; } var_dump(B::getInstance()); var_dump(F::getInstance());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(B)#1 (1) { ["var"]=> int(2) } object(B)#1 (1) { ["var"]=> int(2) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(B)#1 (1) { ["var"]=> int(2) } object(B)#1 (1) { ["var"]=> int(2) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
object(B)#1 (1) { ["var"]=> int(2) } object(F)#2 (1) { ["var"]=> int(6) }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/J2Cjn on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/J2Cjn on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/J2Cjn on line 4
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_CLASS in /in/J2Cjn on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/J2Cjn on line 4
Process exited with code 255.

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