php function & symbol

php function ampersand
Anand Sunderraman picture Anand Sunderraman · Dec 19, 2010 · Viewed 10.6k times · Source

Possible Duplicate:
What does it mean to start a PHP function with an ampersand?

hi

Why is it that some php functions have a '&' in their signature for example

function &getData()

Answer

SLaks picture SLaks · Dec 19, 2010

It returns a reference to a variable.

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