Episode #10: LSP and Operator Precedence
Episode 10 — LSP and Operator Precedence — Nikita Popov
https://wiki.php.net/rfc/ternary_associativity — https://github.com/php/php-src/pull/4017/files#diff-02b0ba36e963ebca22e7f764721073a5R1
http://wiki.php.net/rfc/concatenation_precedence — Deprecate only: https://github.com/php/php-src/pull/4001/files
What does this return?
<?php
$a = 3; $b = 7;
echo "sum: " . $a + $b;
?>
Result:
|ffffff|7|
In PHP 7.4:
The behavior of unparenthesized expressions containing both '.' and '+'/'-'
will change in PHP 8: '+'/'-' will take a higher precedence in example.php on line 3
~The impact to existing open-source code is de facto invisible; all found occurrences are actual bugs. This is a strong indicator that the overall impact will also be very minimal.~