abc1
-----
<?php
echo
    1
        +
            2
                +
                    3;
-----
$stmts[0]->exprs[0]->left->right->value = 42;
-----
<?php
echo
    1
        +
            42
                +
                    3;
-----
<?php
function foo($a)
    { return $a; }
-----
$stmts[0]->name = new Node\Identifier('bar');
-----
<?php
function bar($a)
    { return $a; }
-----
<?php
function
foo() {
    call(
        $bar
    );
}
-----
// This triggers a fallback
$stmts[0]->byRef = true;
-----
<?php
function &foo()
{
    call(
        $bar
    );
}
-----
<?php
function
foo() {
echo "Start
End";
}
-----
// This triggers a fallback
$stmts[0]->byRef = true;
-----
<?php
function &foo()
{
    echo "Start
End";
}
-----
<?php
function test() {
    call1(
        $bar
    );
}
call2(
    $foo
);
-----
$tmp = $stmts[0]->stmts[0];
$stmts[0]->stmts[0] = $stmts[1];
$stmts[1] = $tmp;
-----
<?php
function test() {
    call2(
        $foo
    );
}
call1(
    $bar
);
-----
<?php
function test() {
    call1(
        $bar
    );
}
call2(
    $foo
);
-----
$tmp = $stmts[0]->stmts[0];
$stmts[0]->stmts[0] = $stmts[1];
$stmts[1] = $tmp;
// Same test, but also appending to $stms, triggering fallback
$stmts[] = new Stmt\Echo_([new Scalar\LNumber(42)]);
-----
<?php

function test() {
    call2(
        $foo
    );
}
call1(
    $bar
);
echo 42;
-----
<?php
    echo 1;
-----
$stmts[0] = new Stmt\Expression(
    new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b')));
-----
<?php
    $a = $b;
-----
<?php
echo$a;
-----
$stmts[0]->exprs[0] = new Expr\ConstFetch(new Node\Name('C'));
-----
<?php
echo C;
-----
<?php
$a ** $b  *  $c;
$a  +  $b * $c;
$a * $b  +  $c;
$a  ?  $b  :  $c;
($a ** $b)  *  $c;
( $a ** $b )  *  $c;
!$a = $b;
-----
// Parens necessary
$stmts[0]->expr->left = new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b'));
// The parens here are "correct", because add is left assoc
$stmts[1]->expr->right = new Expr\BinaryOp\Plus(new Expr\Variable('b'), new Expr\Variable('c'));
// No parens necessary
$stmts[2]->expr->left = new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b'));
// Parens for RHS not strictly necessary due to assign speciality
$stmts[3]->expr->cond = new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[3]->expr->if = new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[3]->expr->else = new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b'));
// Already has parens
$stmts[4]->expr->left = new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[5]->expr->left = new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b'));
-----
<?php
($a + $b)  *  $c;
$a  +  ($b + $c);
$a + $b  +  $c;
($a = $b)  ?  $a = $b  :  ($a = $b);
($a + $b)  *  $c;
( $a + $b )  *  $c;
!$a = $b;
-----
<?php
namespace Foo;

class Bar {}
-----
/* Nothing */
-----
<?php
namespace Foo;

class Bar {}
-----
<?php
foo ();
foo ();
$foo -> bar;
$foo -> bar;
$foo -> bar;
$foo -> bar;
$foo -> bar;
self :: $foo;
self :: $foo;
-----
$stmts[0]->expr->name = new Expr\Variable('a');
$stmts[1]->expr->name = new Expr\BinaryOp\Concat(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[2]->expr->var = new Expr\Variable('bar');
$stmts[3]->expr->var = new Expr\BinaryOp\Concat(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[4]->expr->name = new Node\Identifier('foo');
// In this case the braces are not strictly necessary. However, on PHP 5 they may be required
// depending on where the property fetch node itself occurs.
$stmts[5]->expr->name = new Expr\Variable('bar');
$stmts[6]->expr->name = new Expr\BinaryOp\Concat(new Expr\Variable('a'), new Expr\Variable('b'));
$stmts[7]->expr->name = new Node\VarLikeIdentifier('bar');
$stmts[8]->expr->name = new Expr\BinaryOp\Concat(new Expr\Variable('a'), new Expr\Variable('b'));
-----
<?php
$a ();
($a . $b) ();
$bar -> bar;
($a . $b) -> bar;
$foo -> foo;
$foo -> {$bar};
$foo -> {$a . $b};
self :: $bar;
self :: ${$a . $b};
-----
<?php
function foo() {
    foo();
    /*
     * bar
     */
    baz();
}

{
    $x;
}
-----
$tmp = $stmts[0];
$stmts[0] = $stmts[1];
$stmts[1] = $tmp;
-----
<?php
$x;

{
    function foo() {
        foo();
        /*
         * bar
         */
        baz();
    }
}
-----
<?php
echo "${foo}bar";
echo "${foo['baz']}bar";
-----
$stmts[0]->exprs[0]->parts[0] = new Expr\Variable('bar');
$stmts[1]->exprs[0]->parts[0] = new Expr\Variable('bar');
-----
<?php
echo "{$bar}bar";
echo "{$bar}bar";
-----
<?php
[$a
,$b
,
,] = $b;
-----
/* Nothing */
-----
<?php
[$a
,$b
,
,] = $b;