It finds pathnames matching a pattern
Example
<?php
foreach (glob(“*.txt”) as $file) {
echo $file;
}
?>
Tag Archives: file
fputs
Its an alias of fwrite() and writes to a file
Example
<?php
$fp = fopen(‘test.txt’, ‘w’);
fputs($fp, “phpcodez”);
fclose($fp);
?>
fputcsv
It format line as CSV and write to file pointer
Example
<?php
$data = array ( array(‘php’, ‘asp’, ‘jsp’, ‘js’));
$fp = fopen(‘test.csv’, ‘w’);
foreach ($data as $value) {
fputcsv($fp, $value);
}
fclose($fp);
?>
fpassthru
The fpassthru() function reads all data from the current position in an open file, until EOF, and writes the result to the output buffer.
This function returns the number of characters passed or FALSE on failure.
Example
<?php
$fp = @fopen(“test.txt”, “r”);
fpassthru($fp);
?>
fopen
It opens file or URL
Example
<?php
$fp = @fopen(“test.txt”, “r”);
if ($fp) {
while (($content = fgets($fp, 4096)) !== false) {
echo $content;
}
fclose($fp);
}
?>
fnmatch
Match filename against a pattern
Example
<?php
$color =”phpcodez.txt”;
if (fnmatch(“*phpcode[zs].txt”, $color)) {
echo “phpcodez”;
}
?>
Output
phpcodez
flock
It can be used to lock the file
Example
<?php
$fp = fopen(“test.txt”, “r+”);
flock($fp, LOCK_EX); // acquire an exclusive lock (writer).
flock($fp, LOCK_SH); // acquire a shared lock (reader).
flock($fp, LOCK_UN); // unlock the file
fclose($fp);
?>
filetype
It returns file type
Example
<?php
echo filetype(“test.txt”);
?>
Output
file
filesize
It returns file size
Example
<?php
echo filesize(“test.txt”);
?>
Output
31
fileperms
It returns file permissions
Example
<?php
echo fileperms(“test.txt”);
?>
Output
33279