How can PHP be used to check if a variable always contains the same value and output related values in a single line?

To check if a variable always contains the same value and output related values in a single line, we can use a ternary operator in PHP. The ternary operator allows us to evaluate a condition and return different values based on whether the condition is true or false. 

// Check if the variable $var always contains the same value and output related values in a single line
echo ($var === $expectedValue) ? "Variable contains the expected value" : "Variable does not contain the expected value";

Keywords

PHP variable value comparison output

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