How can integers be properly formatted as strings when using placeholders in PHP?

When using placeholders in PHP, integers can be properly formatted as strings by using the `sprintf` function with the `%d` placeholder for integers. This allows you to convert integers to strings while maintaining the desired formatting. 

$integer = 42;
$formatted_integer = sprintf("%d", $integer);
echo $formatted_integer; // Outputs: 42

Keywords

PHP integers strings placeholders formatting

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