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PHP 7 New Features

PHP 7+ version greatly improves performance in some WordPress benchmark tests, it can be up to 3 times the performance of PHP 5.6.

PHP 7+ Stuttgart new version of the following table:

No. content
1 PHP scalar type and return value type declaration
2 PHP NULL merge operator
3 PHP spaceship operator (comparison operator combination)
4 PHP constant array
5 PHP anonymous class
6 PHP Closure :: call ()
7 PHP filter unserialize ()
8 PHP IntlChar ()
9 PHP CSPRNG
10 PHP 7 abnormal
11 PHP 7 use statement
12 PHP 7 Error Handling
13 PHP intdiv () function
14 PHP 7 Session Options
15 PHP 7 abandoned properties
16 Extended PHP 7 to remove
17 PHP 7 to remove SAPI