The eval() function evaluates a string as PHP code. http://us.php.net/manual/en/function.eval.php
in php used for one typ website
we cant use set timeout function in php because it is of java script function
Below is a simple example of how you could return a value in a PHP function. <?php function returnme($value) { return $value; } echo returnme('hello'); // outputs: hello ?>
function function_name() { .................... }
A simple function call <html> <body> <?php if(isset($_POST['button'])) { setValue(); // Function is called } function setValue() { echo "<br>The button property to call PHP function works"; // Your code here } ?> <input type="submit" name="button" onclick=<?php $_SERVER['PHP_SELF']; ?> /> </body> </head>
chdir() PHP function helps in changing the current directory.
It gets options from the command line argument list. It can be used in PHP 4.3 and above, including PHP 5.
header() is a php function used to modify and set HTTP headers sent to the browser.
You can use phpMailer() Or, you can use mail() PHP function to send emails via PHP script.
To rename a file in PHP the easiest way to do it is to use the rename() function. <?php rename("before.txt", "after.html"); ?>
To include a file in PHP all you need to do is use the include() function as I have shown you in the example below. <?php include("filename.php"); ?>
With a call to the function func_num_args().