file_exists php filesystem function example - checks whether a file or directory exists or not
file-exists-php-filesystem-function-example.php
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<h2>file_exists php filesystem function example - checks whether a file or directory exists or not</h2>
<pre>
<?php
/*
-------------------------------------------------------------------------------------
let say we have a file name called test.php in local server in some directory, now
we would like to test whether it is exist or not by using php file_exists function.
-------------------------------------------------------------------------------------
*/
$filePathInDirectory = "C:\\xampp\\htdocs\\phpexamplecode\\test.php";
echo "<h4>Output of filePathInDirectory in the browser</h4>";
print "<p>$"."filePathInDirectory = {$filePathInDirectory}</p>";
/*
--------------------------------------------------------------
using the file_exists php filesystem function check the file
--------------------------------------------------------------
*/
$file_exists = file_exists($filePathInDirectory);
if($file_exists == true)
{
$FileExistString = "Yes, the given file is exist";
}
else
{
$FileExistString = "No, the given file is not exist";
}
echo "<h4>Output of file_exists in the browser for file</h4>";
print "<p>$"."FileExistString = {$FileExistString}</p>";
/*
--------------------------------------------------------------------------------------------------
we can also test whether a directory is exist or not by using php filesystem file_exists funciton
--------------------------------------------------------------------------------------------------
*/
$fileDirectory = "C:/xampp/htdocs/phpexamplecode/";
$file_exists = file_exists($fileDirectory);
if($file_exists == true)
{
$DirectoryExistString = "Yes, the given directory is exist";
}
else
{
$DirectoryExistString = "No, the given directory is not exist";
}
echo "<h4>Output of file_exists in the browser for directory check</h4>";
print "<p>$"."fileDirectory = {$fileDirectory}</p>";
print "<p>$"."DirectoryExistString = {$DirectoryExistString}</p>";
/*
-----------------------------------------------------------------------------------------------
in windows both / and \ are used as directory separator, in php \ is used as escape character
thus \\ means one \ character. it is used rapidly in professional programming.
-----------------------------------------------------------------------------------------------
*/
?>
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file_exists php filesystem function example - checks whether a file or directory exists or not - output in the browser
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