mirror of
https://github.com/phabelio/PHP-Parser.git
synced 2024-12-13 09:37:21 +01:00
50 lines
1.4 KiB
Plaintext
50 lines
1.4 KiB
Plaintext
Pretty printer generates least-parentheses output
|
|
-----
|
|
<?php
|
|
|
|
echo 'abc' . 'cde' . 'fgh';
|
|
echo 'abc' . ('cde' . 'fgh');
|
|
|
|
echo 'abc' . 1 + 2 . 'fgh';
|
|
echo 'abc' . (1 + 2) . 'fgh';
|
|
|
|
echo 1 * 2 + 3 / 4 % 5 . 6;
|
|
echo 1 * (2 + 3) / (4 % (5 . 6));
|
|
|
|
$a = $b = $c = $d = $f && true;
|
|
($a = $b = $c = $d = $f) && true;
|
|
$a = $b = $c = $d = $f and true;
|
|
$a = $b = $c = $d = ($f and true);
|
|
|
|
$a ? $b : $c ? $d : $e ? $f : $g;
|
|
$a ? $b : ($c ? $d : ($e ? $f : $g));
|
|
$a ? $b ? $c : $d : $f;
|
|
|
|
(1 > 0) > (1 < 0);
|
|
|
|
$a ** $b ** $c;
|
|
($a ** $b) ** $c;
|
|
|
|
// this will currently unnecessarily print !($a = $b). This is correct as far as operator precedence is concerned, but
|
|
// the parentheses are not really necessary, because = takes only variables as the left hand side operator.
|
|
!$a = $b;
|
|
-----
|
|
echo 'abc' . 'cde' . 'fgh';
|
|
echo 'abc' . ('cde' . 'fgh');
|
|
echo 'abc' . 1 + 2 . 'fgh';
|
|
echo 'abc' . (1 + 2) . 'fgh';
|
|
echo 1 * 2 + 3 / 4 % 5 . 6;
|
|
echo 1 * (2 + 3) / (4 % (5 . 6));
|
|
$a = $b = $c = $d = $f && true;
|
|
($a = $b = $c = $d = $f) && true;
|
|
$a = $b = $c = $d = $f and true;
|
|
$a = $b = $c = $d = ($f and true);
|
|
$a ? $b : $c ? $d : $e ? $f : $g;
|
|
$a ? $b : ($c ? $d : ($e ? $f : $g));
|
|
$a ? $b ? $c : $d : $f;
|
|
(1 > 0) > (1 < 0);
|
|
$a ** $b ** $c;
|
|
($a ** $b) ** $c;
|
|
// this will currently unnecessarily print !($a = $b). This is correct as far as operator precedence is concerned, but
|
|
// the parentheses are not really necessary, because = takes only variables as the left hand side operator.
|
|
!($a = $b); |