Question on Null Coalesce Operator ( ?? )

9 years ago by Alain Williams — view source

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I am updating a PHP course that I occasionally teach ...

Null Coalesce Operator ( ?? )
What are the precedence and associativity ?

https://wiki.php.net/rfc/isset_ternary

TIA

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Alain Williams
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#include <std_disclaimer.h

9 years ago by Christoph Becker — view source

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Alain Williams wrote:

I am updating a PHP course that I occasionally teach ...

Null Coalesce Operator ( ?? )
What are the precedence and associativity ?
https://wiki.php.net/rfc/isset_ternary

According to master[1] it's right associative and the precendence is
between ?: and ||.

[1]
https://github.com/php/php-src/commit/2d069f640e6cccfa3ba8b1e4f375ade20fb33f64

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Christoph M. Becker