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#php method to set permissions: chmod() function.
chmod() function changes the file mode. chmod — Changes file mode Returns TRUE if successful, FALSE otherwise.
Syntax: chmod(file,mode)
<?php chmod("/somedir/somefile", 0755); // 八进制数,正确的 mode 值 ?>
Parameter description:
file (required): Specifies the file to be checked.
mode (optional):
Specifies new permissions.
The mode parameter consists of 4 numbers:
The first number is always 0
The second number specifies the owner Permissions
The second number specifies the permissions of the user group to which the owner belongs
The fourth number specifies the permissions of everyone else
Possible values (to set multiple permissions, please total the numbers below):
1 - Execute permissions
2 - Write permissions
4 - Read permission
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