# HaruPage::concat

(PECL haru:0.0.1)

HaruPage::concat — Concatenate current transformation matrix of the page and the specified matrix

### Description

bool HaruPage::concat ( float `$a` , float `$b` , float `$c` , float `$d` , float `$x` , float `$y` )

Concatenates current transformation matrix of the page and the specified matrix.

### Return Values

Returns `TRUE` on success.

### Errors/Exceptions

Throws HaruException on error.