How can undefined function errors be resolved in PHP scripts?

Undefined function errors in PHP scripts can be resolved by ensuring that the function being called is defined or included in the script. This can be done by including the file that contains the function definition or by defining the function within the script itself. 

// Make sure the function is defined or included before calling it
include 'functions.php';

// Call the function
myFunction();

Keywords

undefined function PHP scripts error resolution debugging function call

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