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<?php interface Permissions { public function isReadable(); public function isWritable(); } class ReadOnly implements Permissions { public function isReadable() { return true; } public function isWritable() { return false; } } class WriteOnly implements Permissions { public function isReadable() { return false; } public function isWritable() { return true; } } class ReadWrite implements Permissions { public function isReadable() { return true; } public function isWritable() { return true; } } class Field { private $name; private $permissions; public function __construct($name, Permissions $permissions = null) { $this->name = (string) $name; $this->permissions = $permissions ?: new ReadOnly; } public function getName() { return $this->name; } public function isReadable() { return $this->permissions->isReadable(); } public function isWritable() { return $this->permissions->isWritable(); } } $a = new Field('a'); var_dump($a->isReadable()); var_dump($a->isWritable());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Parse error: syntax error, unexpected token "readonly", expecting identifier in /in/nWqvn on line 11
Process exited with code 255.
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 Parse error: syntax error, unexpected token "readonly", expecting identifier in /in/nWqvn on line 11
Process exited with code 255.
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
bool(true) bool(false)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/nWqvn on line 54
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/nWqvn on line 54
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/nWqvn on line 3
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_STRING in /in/nWqvn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nWqvn on line 3
Process exited with code 255.
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