xattr_set
PHP function
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(PECL xattr >= 0.9.0)
Set an extended attribute
Description
xattr_set(string $filename, string $name, string $value, int $flags = 0): bool
This function sets the value of an extended attribute of a file.
Namespace
Parameters
filenameThe file in which we set the attribute.
nameThe name of the extended attribute. This attribute will be created if it doesn't exist or replaced otherwise. You can change this behaviour by using the
flagsparameter.valueThe value of the attribute.
flagsXATTR_CREATEFunction will fail if extended attribute already exists. XATTR_REPLACEFunction will fail if extended attribute doesn't exist. XATTR_DONTFOLLOWDo not follow the symbolic link but operate on symbolic link itself. XATTR_ROOTSet attribute in root (trusted) namespace. Requires root privileges.
Return Values
Success
Examples
Sets extended attributes on .wav file
php
<?php
$file = 'my_favourite_song.wav';
xattr_set($file, 'Artist', 'Someone');
xattr_set($file, 'My ranking', 'Good');
xattr_set($file, 'Listen count', '34');
/* ... other code ... */
printf("You've played this song %d times", xattr_get($file, 'Listen count'));
?>