3v4l.org

run code in 500+ PHP versions simultaneously
<?php class X { public function __construct( string $endpoint, ?string $publicKey = null, ?string $authToken = null, ?string $contentEncoding = null ) { $this->endpoint = $endpoint; } } $x = new X('blah', 'blahblah');
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Creation of dynamic property X::$endpoint is deprecated in /in/A1XeN on line 10
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
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/A1XeN on line 6
Process exited with code 255.
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101.18 ms | 1925 KiB | 4 Q