. Added a form of the list() construct where keys can be specified.
(RFC: https://wiki.php.net/rfc/list_keys)
. Number operators taking numeric strings now emit "A non well formed numeric
- string encountered" E_NOTICEs for leading-numeric strings, and "A
- non-numeric string encountered" E_WARNINGs for non-numeric strings.
+ value encountered" E_NOTICEs for leading-numeric strings, and "A
+ non-numeric value encountered" E_WARNINGs for non-numeric strings.
This always applies to the +, -, *, /, **, %, << and >> operators, and
their assignment counterparts +=, -=, *=, /=, **=, %=, <<= and >>=.
For the bitwise operators |, & and ^, and their assignment counterparts