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Which Libraries are included in PHP?

Are there Libraries which are in every present PHP installation?

An Example:

I'm using cURL in a PHP Script, does it run on every PHP installation?

Solution

  • Libraries like cURL aren't in a default PHP installation. Though most hosts do carry a default set of extensions which have been widely used, which usually include cURL.

    PHP has a page on which it's built-in functions which will most likely explain this further: https://www.php.net/manual/en/functions.internal.php

    There's also a page with function references to find the most used libraries that can be installed using PEAR: https://www.php.net/manual/en/funcref.php