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  • Diffrence between unlink() and unset() in php

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    When we will use unlink() then this function will delete to file test.jpg from given path.

    PHP

    <?php
    unlink("image/test.jpg");
    ?>
    

    When we will use unset() then this function will remove content initialized with the PHP variable $test_text. After using unset() $test_text variable will be empty.

    PHP

    <?php
        $test_text = "Welcome to EVON";
        unset($test_text);
        if(isset($test_text)) {
            echo "<strong>My welcome text is: </strong><i>" . $test_text . "</i>";
        } else {
            echo "<strong>My welcome text is: </strong> empty";
        }
        //output will be My welcome text is: empty
    ?>
    

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