If the destination file already exists, it will be overwritten.

Returns TRUE if the filename exists and is a symbolic link.

Returns TRUE if the filename exists and is a regular file.

ע Zip support before PHP 4.1.0 is experimental. This section reflects the Zip extension as it exists in PHP 4.1.0 and later.

Returns TRUE if the filename exists and is writable. The filename argument may be a directory name allowing you to check if a directory is writeable.

Returns TRUE if the filename exists and is a directory. If filename is a relative filename, it will be checked relative to the current working directory.

Another important feature of variable scoping is the static variable. A static variable exists only in a local function scope, but it does not lose its value when program execution leaves this scope. Consider the following example

This function will make a physical copy including the content if it exists and returns the new object or an error object. The parameter array contains the required elements 'objectIdentifier' and 'destinationParentIdentifier'. The optional parameter is 'attributeSelector'

When sending more than one SQL statement to the server or executing a stored procedure with multiple results, it will cause the server to return multiple result sets. This function will test for additional results available form the server. If an additional result set exists it will free the existing result set and prepare to fetch the rows from the new result set. The function will return TRUE if an additional result set was available or FALSE otherwise.

When sending more than one SQL statement to the server or executing a stored procedure with multiple results will cause the server to return multiple result sets. This function will test for additional results available form the server. If an additional result set exists it will free the existing result set and prepare to fetch the words from the new result set. The function will return TRUE if an additional result set was available or FALSE otherwise.