How to fix PHP Notice: Undefined Variable
PHP Notice: Undefined Variable PHP Notice: Undefined variable arises when trying to access an undeclared or uninitialized variable. Here’s one of the recommended fixes from this article. <?php $name = "Edward"; $name = isset($name) ? $name : 'N/A'; $percentage = isset($percentage) ? $percentage : 'N/A'; echo $name. ' has scored '.$percentage.'%'; ?> Stay tuned to the article to learn more about undefined variable in PHP and how to fix it. Introduction A variable represents a value in memory. Before using a variable in PHP, it is recommended to declare the variable and initialize it to some value. However, PHP doesn’t absolutely require doing so. PHP adds an undeclared variable to the scope and assigns it a default value based on the context. <?php $name = 'Edward'; echo $name. ' has scored '.$percentage.'%'; //$percentage is coerced to empty string //OUTPUT //Edward has scored % ?> The example demonstrates what has been…