Which function is used to erase all session variables stored in the current session?
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PHP · all questionsHTML Forms Handling
HTML Forms Handling
practice.
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What will the function session_id() return is no parameter is passed?
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Which one of the following statements should you use to set the session username to Nachi?
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What will be the output of the following PHP code? Say your previous session username was nachi.
<?php
unset($_SESSION['username']);
printf("Username now set to: %s", $_SESSION['username']);
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An attacker somehow obtains an unsuspecting user’s SID and then using it to impersonate the user inorder to gain potentially sensitive information. This attack is known as.
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Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?
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Which function effectively deletes all sessions that have expired?
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Which function is used to transform PHP’s session-handler behavior into that defined by your custom handler?
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The session_start() function must appear.
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What is the return type of session_set_save_handler() function?
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Before you can start processing images with PHP, you must first add the ability to upload images to your administrative form on ________
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When you’re uploading files you need to set the enctype of the form to __________
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To check whether a file was uploaded, you look in the _______ superglobal array.
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To make the ImageHandler class portable you should create a separate file for it called __________
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DocBlocks are indicated by opening a comment using _________
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To process the file, you need to break the array from $_FILES into individual values. You can do this using the ________ function.
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Before you try to process the file, you need to make sure that your $err value is equivalent to _________
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You use the $_SERVER superglobal and your _______ property to create your path to check.
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Which function do you have to use to check whether the $path you’ve stored exists?
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Which one of the following is true about the following line – $obj = new ImageHandler(‘/images/’, array(400, 300));
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