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<?php function getClassReflector($className) { static $reflectionClassMap = []; return static function () use ($className, &$reflectionClassMap) { return isset($reflectionClassMap[$className]) ? $reflectionClassMap[$className] : $reflectionClassMap[$className] = new ReflectionClass($className); }; } $xmlReaderReflector = getClassReflector('XMLReader'); $xmlWriterReflector = getClassReflector('XMLWriter'); var_dump($xmlReaderReflector()); var_dump($xmlReaderReflector()); var_dump($xmlWriterReflector()); var_dump($xmlWriterReflector());
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 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(ReflectionClass)#3 (1) { ["name"]=> string(9) "XMLReader" } object(ReflectionClass)#3 (1) { ["name"]=> string(9) "XMLReader" } object(ReflectionClass)#4 (1) { ["name"]=> string(9) "XMLWriter" } object(ReflectionClass)#4 (1) { ["name"]=> string(9) "XMLWriter" }
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(ReflectionClass)#3 (1) { ["name"]=> string(9) "XMLReader" } object(ReflectionClass)#3 (1) { ["name"]=> string(9) "XMLReader" } object(ReflectionClass)#4 (1) { ["name"]=> string(9) "XMLWriter" } object(ReflectionClass)#4 (1) { ["name"]=> string(9) "XMLWriter" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/7MEr5 on line 5
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/7MEr5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7MEr5 on line 5
Process exited with code 255.

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