In PHP, you can set file permissions through the "chmod" function. This function is used to change the file mode. The syntax is "chmod(file,mode)", where the parameter "file" represents the file to be checked. The parameter "mode" specifies the new permissions.
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chmod() function changes the file mode.
Returns TRUE if successful, otherwise returns FALSE.
Syntax
chmod(file,mode)
Parameters
file required. Specifies the documents to be checked.
mode
Optional. Specify new permissions.
The mode parameter consists of 4 numbers:
The first number is always 0
The second number specifies the owner's permissions
The second The first number specifies the permissions of the user group to which the owner belongs
The fourth number specifies the permissions of everyone else
Possible values (if you need to set multiple permissions, please adjust the numbers below Total):
1 - Execute permission
2 - Write permission
4 - Read permission
Example
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