Cairo::availableSurfaces()
(PECL cairo >= 0.1.0)
Retrieves all available surfaces
说明
面向对象风格(method):
public static Cairo::availableSurfaces(void): array
过程化风格:
cairo_available_surfaces(void): array
Returns an array with the available surface backends
参数
此函数没有参数。
返回值
A list-type array with all available surface backends.
范例
Example #1 面向对象风格
<?php /* Object Oriented style */ var_dump(Cairo::availableSurfaces()); ?>
以上例程的输出类似于:
array(6) { [0]=> string(5) "IMAGE" [1]=> string(3) "PNG" [2]=> string(3) "PDF" [3]=> string(2) "PS" [4]=> string(3) "SVG" [5]=> string(5) "WIN32" }
Example #2 过程化风格
<?php /* Procedural style */ var_dump(cairo_available_surfaces()); ?>
以上例程的输出类似于:
array(6) { [0]=> string(5) "IMAGE" [1]=> string(3) "PNG" [2]=> string(3) "PDF" [3]=> string(2) "PS" [4]=> string(3) "SVG" [5]=> string(5) "WIN32" }
参见
- Cairo::availableFonts() Retrieves the availables font types