chmod

Definition and usage

chmod() function changes the file mode.

Return TRUE if successful, otherwise return FALSE.

Example

 <?php
// The owner can read and write, and others do not have any permissions
chmod ( "test.txt" , 0600 ) ;

// The owner can read and write, and others can read
chmod ( "test.txt" , 0644 ) ;

// The owner has all permissions, which can be read and executed by everyone else
chmod ( "test.txt" , 0755 ) ;

// The owner has all permissions, and the group where the owner is located can be readable
chmod ( "test.txt" , 0740 ) ;
?>

grammar

 chmod ( file , mode )