Add object to string in PHP

Question

I am a bit confused about how to add an object to a string.

I am trying to add the $this->getUserId(); (which contains the userId of the user).

$fileName = "user_.$this->getUserId()".".$fileExt";

Read about string concatenation - there is nothing special with an object (or its method) — kero
– kero, Commented Apr 1, 2014 at 17:33

Footniko · Accepted Answer · 2014-04-01 17:42:17Z

1

$fileName = 'user_'.$this->getUserId().'.'.$fileExt;

answered Apr 1, 2014 at 17:42

Footniko

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Footniko Over a year ago

No pro;) Don't forget, that string concatanation is . (dot) and usual string is '.' (string with quotes).

jd182 · Accepted Answer · 2014-04-01 17:43:59Z

0

This should work:

$fileName = "user_{$this->getUserId()}.$fileExt";

It should give you:

user_1.ext

See the PHP manual on strings, more specifically the part about curly braces and 'complex' parsing.

For normal variables you can place them in double quoted strings and they will be parsed. For more complex things like expressions you need to wrap them in {} so that they will be parsed.

edited Apr 1, 2014 at 17:43

answered Apr 1, 2014 at 17:37

jd182

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paul kendal23 Over a year ago

hey jd182. thank u so much. i was always confused about that; you have now cleared it up for me

Teddy Patriarca · Accepted Answer · 2016-03-16 00:58:18Z

0

You can concatenate the object in string using dot (.) operator

$fileName = "user_".$this->getUserId().".".$fileExt";

For more info about PHP string concatenation. You can check the PHP documentation.

http://php.net/manual/en/language.operators.string.php

answered Mar 16, 2016 at 0:58

Teddy Patriarca

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