How can the error "Function name must be a string" be resolved in PHP code?

The error "Function name must be a string" occurs when trying to call a function without providing a valid function name as a string. To resolve this error, ensure that the function name is enclosed in quotes to represent it as a string when calling the function. 

// Incorrect way of calling a function without providing the function name as a string
$functionName = myFunction;
$functionName(); // This will result in the error "Function name must be a string"

// Correct way of calling a function with the function name enclosed in quotes
$functionName = 'myFunction';
$functionName(); // This will call the function 'myFunction' without any errors

Keywords

PHP function name string error resolution

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