How can the issue of adding a space between variables be resolved in PHP?

Issue: When concatenating variables in PHP, it's important to remember to add a space between variables to ensure proper formatting. This can be resolved by simply adding a space within the concatenation operator. 

// Incorrect way
$variable1 = "Hello";
$variable2 = "World";
echo $variable1.$variable2; // Output: HelloWorld

// Correct way
echo $variable1 . " " . $variable2; // Output: Hello World

Keywords

PHP concatenation string trim whitespace

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