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php-7

How-to articles, tricks, and solutions about PHP-7

"Typed property must not be accessed before initialization" error when introducing properties type hints?

In PHP, the "Typed property must not be accessed before initialization" error is encountered when a property is defined with a type hint, but it is accessed before it has been explicitly assigned a value.

php php-7 php-7.4 type-hinting doctrine-orm

configure: error: Please reinstall the libzip distribution

This error message is indicating that there is a problem with the libzip library that is preventing a program from being configured.

How can I enable the MySQLi extension in PHP 7?

To enable the MySQLi extension in PHP 7, you need to follow these steps.

php MySQL php-7 mysqli

install php70-gd on ubuntu

To install the php70-gd package on Ubuntu, you will need to have the package manager apt-get installed.

php php-7 gd

Installing the PHP 7 MongoDB Client/Driver?

To install the PHP 7 MongoDB driver, you can use the PECL (PHP Extension Community Library) command-line tool.

php php-7 mongodb php-mongodb

Nullable return types in PHP7

In PHP7, nullable return types were introduced, allowing a function to return either a specific type or null.

php php-7 type-hinting nullable return-type

PHP 7: Missing VCRUNTIME140.dll

It looks like you are encountering an error related to a missing VCRUNTIME140.dll file when using PHP 7.

php windows dll php-7

Type hinting in PHP 7 - array of objects

In PHP 7, type hinting can be used to specify the expected data type of a function or method parameter.

php arrays oop php-7 type-hinting