PHP 8.2: New
error_log_mode INI setting to set permissions for error log file
PHP 8.2 introduces a new INI directive named
error_log_mode that can be used to configure the file permissions of the PHP error log file (configured with the
Prior to PHP 8.2, PHP automatically set
0644 (equivalent to
rw-r--r--, or read/write by the owner, read-only by group and public) as file permissions.
0644 remains the default value for the new
error_log_mode directive as well, but it is now possible to configure the error log file permissions via INI settings.
log_errors=1 error_log=error_permissions_test.log error_log_mode=0644
error_log_modeonly affects new log files created by PHP. File permissions of existing files are not changed.
error_log_modehas a Changeable value of
PHP_INI_ALL, and it can be configured in any INI file, command-line parameters, or via
Backwards Compatibility Impact
error_log_mode INI directive in older PHP versions does not cause any warnings or errors as PHP silently ignores unrecognized INI directives.