# ps_set_value

(PECL ps >= 1.1.0)

ps_set_value — Sets certain values

### 说明

ps_set_value ( resource `$psdoc` , string `$name` , float `$value` ) : bool

Sets several values which are used by many functions. Parameters are by definition float values.

### 参数

`psdoc`

  Resource identifier of the postscript file as returned by ps_new().

`name`

  The `name` can be one of the following:

  textrendering

    The way how text is shown.

  textx

    The x coordinate for text output.

  texty

    The y coordinate for text output.

  wordspacing

    The distance between words relative to the width of a space.

  leading

    The distance between lines in pixels.

`value`

  The value of the parameter.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- ps_get_value() - Gets certain values
- ps_set_parameter() - Sets certain parameters