PS 函数
PHP 手册

ps_new

(PECL ps >= 1.1.0)

ps_new — Creates a new PostScript document object

说明

resource ps_new ( void )

Creates a new document instance. It does not create the file on disk or in memory, it just sets up everything. ps_new() is usually followed by a call of ps_open_file() to actually create the postscript document.

返回值

Resource of PostScript document 或者在失败时返回 FALSE. The return value is passed to all other functions as the first argument.

参见

PS 函数
PHP 手册