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run code in 300+ PHP versions simultaneously
<?php class ClassPHP74 { private string $field; public function __construct(string $field) { $this->field = $field; } public function getField(): string { return $this->field; } } class ClassPHP81 { public function __construct(public readonly string $field) {} } $php74 = new ClassPHP74('coucou'); var_dump($php74->getField()); var_dump($php74->__construct('hello')); var_dump($php74->getField()); $php81 = new ClassPHP81('coucou'); var_dump($php81->field); var_dump($php81->__construct('hello')); var_dump($php81->field);
Output for 8.0.0 - 8.0.10
Parse error: syntax error, unexpected identifier "string", expecting variable in /in/mWvLX on line 20
Process exited with code 255.
Output for 7.4.0 - 7.4.22
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/mWvLX on line 20
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.29
Parse error: syntax error, unexpected 'string' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/mWvLX on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Parse error: syntax error, unexpected 'string' (T_STRING), expecting variable (T_VARIABLE) in /in/mWvLX on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE in /in/mWvLX on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE in /in/mWvLX on line 5
Process exited with code 255.
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/mWvLX on line 5
Process exited with code 255.
Output for 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/mWvLX on line 5
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/mWvLX on line 5
Process exited with code 255.

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