PHP 7 new features strict mode

New characteristics of PHP7 declare (Strict_types=1);

Strongly typed strict_types is something that was introduced from the beginning of PHP7 and is not turned on by default

Strict_types=1 is nothing more than constraining the type of parameter and return value

<? PHP Declare (Strict_types=1); function $num): int {    return$num/2;} Foo (// return value type error // parameter type error // normal

PHP Strict mode enabled

PHP 7 new features strict mode