Indentation
-----
<?php
$x;
-----
$stmts[0] = new Stmt\If_(new Expr\Variable('a'), ['stmts' => $stmts]);
-----
!!indent="  "
<?php
if ($a) {
  $x;
}
-----
<?php
$x;
-----
$stmts[0] = new Stmt\If_(new Expr\Variable('a'), ['stmts' => $stmts]);
-----
!!indent="\t"
<?php
if ($a) {
@@{"\t"}@@$x;
}
-----
<?php
if ($a) {
@@{"\t"}@@$x;
}
-----
$stmts[0]->stmts[] = new Stmt\Expression(new Expr\Variable('y'));
-----
!!indent="\t"
<?php
if ($a) {
@@{"\t"}@@$x;
@@{"\t"}@@$y;
}
-----
<?php
array_merge(
    [
$x,
        $y,
    ]
);
-----
$call = $stmts[0]->expr;
$stmts[0]->expr = new Expr\StaticCall(new Node\Name\FullyQualified('Compat'), $call->name, $call->args);
-----
<?php
\Compat::array_merge([
$x,
    $y,
]);
-----
<?php
if ($a) {
        if (
$b
        ) {}
}
-----
$stmts[0] = new Stmt\While_($stmts[0]->cond, $stmts[0]->stmts);
-----
<?php
while ($a) {
    if (
$b
    ) {}
}