What is the difference between Reply-to and Return-path in the headers of a mail function?

PHP Interview Questions and Answers

(Continued from previous question...)

What is the difference between Reply-to and Return-path in the headers of a mail function?

Reply-to: Reply-to is where to delivery the reply of the mail.

Return-path: Return path is when there is a mail delivery failure occurs then where to delivery the failure notification.

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Other Interview Questions

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• How can I execute a PHP script using command line?
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• How do you pass a variable by value?
• WHAT IS THE FUNCTIONALITY OF THE FUNCTIONS STRSTR() AND STRISTR()?
• When are you supposed to use endif to end the conditional statement?
• How can we send mail using JavaScript?
• What is the functionality of the function strstr and stristr?
• What is the difference between ereg_replace() and eregi_replace()?
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• What is the difference between the functions unlink and unset?
• How come the code works, but doesn’t for two-dimensional array of mine?
• How can we register the variables into a session?
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• How can we create a database using PHP and mysql?
• How many ways we can retrieve the date in result set of mysql using php?
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• What are the different functions in sorting an array?
• How can we know the count/number of elements of an array?
• How many ways we can pass the variable through the navigation between the pages?
• What is the maximum length of a table name, a database name, or a field name in MySQL?
• How many values can the SET function of MySQL take?
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• How can we find the number of rows in a result set using PHP?
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• Give the syntax of GRANT commands?
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• Answer the questions with the following assumption
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• How can I load data from a text file into a table?
• How can we know the number of days between two given dates using MySQL?
• How can we change the name of a column of a table?
• How can we change the data type of a column of a table?
• What is the difference between GROUP BY and ORDER BY in SQL?
• What is meant by MIME?
• How can we know that a session is started or not?
• What are the differences between mysql_fetch_array(), mysql_fetch_object(), mysql_fetch_row()?
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• What are the MySQL database files stored in system ?
• What is the difference between PHP4 and PHP5?
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• What is meant by nl2br()?
• How can we encrypt and decrypt a data presented in a table using MySQL?
• How can I retrieve values from one database server and store them in other database server using PHP?
• WHO IS THE FATHER OF PHP AND WHAT IS THE CURRENT VERSION OF PHP AND MYSQL?
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• What are the functions for IMAP?
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• What is the difference between htmlentities() and htmlspecialchars()?
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• How can we increase the execution time of a php script?
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• How to reset/destroy a cookie
• WHAT TYPES OF IMAGES THAT PHP SUPPORTS?
• CHECK IF A VARIABLE IS AN INTEGER IN JAVASCRIPT
• Tools used for drawing ER diagrams.
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