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Fix some examples #12232

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19 changes: 14 additions & 5 deletions components/var_dumper/advanced.rst
Original file line number Diff line number Diff line change
Expand Up @@ -237,19 +237,22 @@ output produced by the different casters.
If ``DUMP_STRING_LENGTH`` is set, then the length of a string is displayed
next to its content::

use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\AbstractDumper;
use Symfony\Component\VarDumper\Dumper\CliDumper;

$varCloner = new VarCloner();
$var = ['test'];

$dumper = new CliDumper();
echo $dumper->dump($var, true);
echo $dumper->dump($varCloner->cloneVar($var), true);

// array:1 [
// 0 => "test"
// ]

$dumper = new CliDumper(null, null, AbstractDumper::DUMP_STRING_LENGTH);
echo $dumper->dump($var, true);
echo $dumper->dump($varCloner->cloneVar($var), true);

// (added string length before the string)
// array:1 [
Expand All @@ -259,19 +262,22 @@ next to its content::
If ``DUMP_LIGHT_ARRAY`` is set, then arrays are dumped in a shortened format
similar to PHP's short array notation::

use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\AbstractDumper;
use Symfony\Component\VarDumper\Dumper\CliDumper;

$varCloner = new VarCloner();
$var = ['test'];

$dumper = new CliDumper();
echo $dumper->dump($var, true);
echo $dumper->dump($varCloner->cloneVar($var), true);

// array:1 [
// 0 => "test"
// ]

$dumper = new CliDumper(null, null, AbstractDumper::DUMP_LIGHT_ARRAY);
echo $dumper->dump($var, true);
echo $dumper->dump($varCloner->cloneVar($var), true);

// (no more array:1 prefix)
// [
Expand All @@ -281,12 +287,15 @@ similar to PHP's short array notation::
If you would like to use both options, then you can just combine them by
using the logical OR operator ``|``::

use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\AbstractDumper;
use Symfony\Component\VarDumper\Dumper\CliDumper;

$varCloner = new VarCloner();
$var = ['test'];

$dumper = new CliDumper(null, null, AbstractDumper::DUMP_STRING_LENGTH | AbstractDumper::DUMP_LIGHT_ARRAY);
echo $dumper->dump($var, true);
echo $dumper->dump($varCloner->cloneVar($var), true);

// [
// 0 => (4) "test"
Expand Down