php concatenating string to classconstant in array assignment

Question

following doesn't work:

<?php
class test{
    const t = 10;
    public static $y = array('t' => self::t . 'hello');
}
var_dump(test::$y);
?>

can somebody tell me why that is? :)

it fails in the ... => self::t . 'hello')... part, where it, as seams, not is able to concatenate a classconstant in the array().

that implies that both of following works perfect:

public static $y = array('t' => self::t);

and

public static $y = array('t' => 'hello');

Always add your error message. And if you paste it into the search box even, you will get ca. 999 questions which are similar, if not even exactly like yours. — hakre
– hakre, Commented Apr 10, 2012 at 16:02

webbiedave · Accepted Answer · 2012-04-10 15:54:55Z

1

can somebody tell me why that is?

Concatenation is a product of run-time. Class member initial values must be known at parse time.

answered Apr 10, 2012 at 15:54

webbiedave

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