diff --git a/phpBB/includes/php/ini.php b/phpBB/includes/php/ini.php new file mode 100644 index 0000000000..5c2cadb052 --- /dev/null +++ b/phpBB/includes/php/ini.php @@ -0,0 +1,165 @@ +get($varname); + + if ($value === false) + { + return false; + } + + return trim($value); + } + + /** + * Gets configuration option value as a boolean. + * Interprets the string value 'off' as false. + * + * @param string $varname The configuration option name. + * @return bool False if configuration option does not exist. + * False if configuration option is disabled. + * True otherwise. + */ + public function get_bool($varname) + { + $value = strtolower($this->get_string($varname)); + + if (empty($value) || $value == 'off') + { + return false; + } + + return true; + } + + /** + * Gets configuration option value as an integer. + * + * @param string $varname The configuration option name. + * @return bool|int False if configuration option does not exist, + * the configuration option value (integer) otherwise. + */ + public function get_int($varname) + { + $value = $this->get_string($varname); + + if (!is_numeric($value)) + { + return false; + } + + return (int) $value; + } + + /** + * Gets configuration option value as a float. + * + * @param string $varname The configuration option name. + * @return bool|float False if configuration option does not exist, + * the configuration option value (float) otherwise. + */ + public function get_float($varname) + { + $value = $this->get_string($varname); + + if (!is_numeric($value)) + { + return false; + } + + return (float) $value; + } + + /** + * Gets configuration option value in bytes. + * Converts strings like '128M' to bytes (integer or float). + * + * @param string $varname The configuration option name. + * @return bool|int|float False if configuration option does not exist, + * the configuration option value otherwise. + */ + public function get_bytes($varname) + { + $value = strtolower($this->get_string($varname)); + + if ($value === false) + { + return false; + } + + if (is_numeric($value)) + { + return $value; + } + else if (strlen($value) < 2) + { + return false; + } + + $value_numeric = (int) $value; + + switch ($value[strlen($value) - 1]) + { + case 'g': + $value_numeric *= 1024; + case 'm': + $value_numeric *= 1024; + case 'k': + $value_numeric *= 1024; + break; + + default: + // It's not already in bytes (and thus numeric) + // and does not carry a unit. + return false; + } + + return $value_numeric; + } +}