[TYPO3-core] RFC #13874: NULL reference when using hook in class.t3lib_utility_client.php

[Jigal van Hemert]

Steffen Müller wrote:
> Add $null and pass it as a reference for the third parameter.

+1 by reading and testing the concept of passing these parameters as 
reference in a test script.

(You could even do without the initialization of $null, because an 
uninitialized variable is also considered to be NULL. Initializing is of 
course better practise)

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Jigal van Hemert
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