PHP file_exists() Function

In this chapter you will learn:

1. Definition for PHP file_exists() Function
2. Syntax for PHP file_exists() Function
3. Parameter for
4. Return for PHP file_exists() Function
5. Example - Check if a file exists

Definition

The file_exists() function checks whether or not a file or directory exists.

Syntax

PHP file_exists() Function has the following syntax.

Parameter

Return

Returns TRUE if the file or directory specified by filename exists; FALSE otherwise.

Example

file_exists() returns true if the file exists and false otherwise.

We can use file_exists() to discover whether a file exists before attempting to open it:

<?PHP//from   j ava 2  s. c  o m
      if (file_exists("data.txt")) {
         print "data.txt exists!\n";
      } else {
         print "data.txt does not exist!\n";
      }


      echo file_exists("data.txt");

?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP file_get_contents() Function
2. Syntax for PHP file_get_contents() Function
3. Parameter for PHP file_get_contents() Function
4. Return for PHP file_get_contents() Function
5. Note for PHP file_get_contents() Function
6. Example - Read text file

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PHP copy() Function

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PHP dir() Function

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