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Dec 23, 2021
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Update twig_extension.rst #16292

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6 changes: 3 additions & 3 deletions templating/twig_extension.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ Create a class that extends ``AbstractExtension`` and fill in the logic::
];
}

public function formatPrice($number, $decimals = 0, $decPoint = '.', $thousandsSep = ',')
public function formatPrice(float $number, int $decimals = 0, string $decPoint = '.', string $thousandsSep = ','): string
{
$price = number_format($number, $decimals, $decPoint, $thousandsSep);
$price = '$'.$price;
Expand All @@ -69,7 +69,7 @@ If you want to create a function instead of a filter, define the
];
}

public function calculateArea(int $width, int $length)
public function calculateArea(int $width, int $length): int
{
return $width * $length;
}
Expand Down Expand Up @@ -157,7 +157,7 @@ previous ``formatPrice()`` method::
// extensions, you'll need to inject services using this constructor
}

public function formatPrice($number, $decimals = 0, $decPoint = '.', $thousandsSep = ',')
public function formatPrice(float $number, int $decimals = 0, string $decPoint = '.', string $thousandsSep = ','): string
{
$price = number_format($number, $decimals, $decPoint, $thousandsSep);
$price = '$'.$price;
Expand Down