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<?php class User { public function register($email, $password, $active = null, $default = 0, ...$attributes) { $argv = debug_backtrace(0, 1)[0]['args'] ?? []; $argc = count($argv); print_r([ '$argc' => $argc, '$argv' => $argv, ]); return [$email, $password, $attributes]; } } $foo = new User(); $foo->register('admin@test.com', 'pass1', ...[ 'id' => 'uuid-1', 'phone' => '012-345-6789', 'role' => 'admin', ]); echo PHP_EOL . '--------' . PHP_EOL; $foo->register(...[ 'id' => 'uuid-2', 'email' => 'test@test.com', 'phone' => '987-654-3210', 'name' => 'first last2', 'role' => 'tester', 'password' => 'pass2' ]);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.33, 8.3.0 - 8.3.33, 8.4.1 - 8.4.25, 8.5.0 - 8.5.10
Array ( [$argc] => 5 [$argv] => Array ( [0] => admin@test.com [1] => pass1 [id] => uuid-1 [phone] => 012-345-6789 [role] => admin ) ) -------- Array ( [$argc] => 6 [$argv] => Array ( [0] => test@test.com [1] => pass2 [id] => uuid-2 [phone] => 987-654-3210 [name] => first last2 [role] => tester ) )
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Cannot unpack array with string keys in /in/28O7r:22 Stack trace: #0 {main} thrown in /in/28O7r on line 22
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '?' in /in/28O7r on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/28O7r 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 '.', expecting '&' or T_VARIABLE in /in/28O7r on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/28O7r 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/28O7r 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/28O7r 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/28O7r on line 5
Process exited with code 255.

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