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<?php $reporting = error_reporting(E_ERROR | E_COMPILE_ERROR); $result = false; try { $result = eval('function(?int $a){};return true;'); } catch (Throwable $e) { } catch (Exception $e) { // ignore } error_reporting($reporting); $isSupported = true === $result; var_dump($isSupported);
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 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
bool(true)
Output for 5.4.11 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.27, 7.0.0 - 7.0.20
bool(false)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.10
bool(false)
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'Throwable' not found in /in/R3ZcY on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/R3ZcY 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 '{' in /in/R3ZcY on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/R3ZcY on line 6
Process exited with code 255.
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128.36 ms | 2351 KiB | 4 Q