Monday, 26 August 2013

PHP Function opendir()

Syntax

resource opendir ( string $path [, resource $context] );

Definition and Usage

Opens up a directory handle to be used in subsequent closedir(), readdir(), and rewinddir() calls.

Paramters

ParameterDescription
pathRequired. The directory path that is to be opened
contextOptional. Specifies the context of the directory handle. Context is a set of options that can modify the behavior of a stream.

Return Value

Returns a directory handle resource on success, or FALSE on failure.

Example

Following is the usage of this function:
<?php
//Open images directory
$dir = opendir("/var/www/images");

//List files in images directory
while (($file = readdir($dir)) !== false)
{
  echo "filename: " . $file . "<br />";
}
closedir($dir);
?> 
This will produce following result:
filename: .
filename: ..
filename: logo.gif
filename: mohd.gif

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