Possible Duplicate: Reference – What does this symbol mean in PHP? I can’t seem

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Editorial Team

Asked: June 8, 20262026-06-08T09:00:48+00:00 2026-06-08T09:00:48+00:00

Possible Duplicate:
Reference – What does this symbol mean in PHP?

I can’t seem to find the answer of what the difference is between

somephp" + foo + "morephp

and

somephp" . foo . "morephp

Dreamweaver recognizes both as syntactically correct. I just need an article link or explanation as the difference between them? Thanks! 🙂

My specific circumstance is I’ve got – CHILD_POS – which needs to be inserted into a static string. Basically… :

echo 'some stuff goes here' +/. CHILD_POS +/. 'some more stuff goes here';

I’m unsure whether to use (+) or (.)

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Editorial Team · Answer 1 · 2026-06-08T09:00:50+00:00

Editorial Team

The . character is specifically for string concatenation in PHP. The + symbol is for math operations.

See the appropriate PHP manual pages:

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