Supported PHP features

The codebase can include the following PHP features, as to support:

• PHP 8.1+ for development
• PHP 7.1+ for production by downgrading the code via Rector.

PHP Version	Features
7.1	Everything
7.2	object type parameter type widening Functions: spl_object_id utf8_encode utf8_decode Constants: PHP_FLOAT_* PHP_OS_FAMILY
7.3	Reference assignments in list()/array destructuring => [&$a, [$b, &$c]] = $d Except inside foreach (#4376) Flexible Heredoc and Nowdoc syntax Trailing commans in functions calls set(raw)cookie accepts $option argument Functions: array_key_first array_key_last hrtime is_countable Exceptions: JsonException
7.4	Typed properties Arrow functions Null coalescing assignment operator => ??= Unpacking inside arrays => $nums = [3, 4]; $merged = [1, 2, ...$nums, 5]; Numeric literal separator => 1_000_000 strip_tags() with array of tag names => strip_tags($str, ['a', 'p']) covariant return types and contravariant param types Functions: get_mangled_object_vars mb_str_split password_algos