What is BCMath PHP extension?

Table of Contents

BCMath Arbitrary Precision Mathematics ¶

This extension is an interface to the GNU implementation as a library of the Basic Calculator utility by Philip Nelson; hence the name. 24.

How do I install PHP extensions?

How To Compile And Install PHP Extensions From Source

Install the PHP development package. On Ubuntu/debian, you can use apt-get, it’s a piece of cake.
Download & unzip the PHP5 source code.
Prepare the extension (phpize)
Configure & Make the extension.
Move the extension.
Edit your PHP.
Restart your php.

Where do I put PHP ini extension?

Go to your php. ini file and add the following line: extension=<extension_name>. dll. To verify that the extension was loaded properly, go to Setup | Extensions and locate the extension from the list.

How do you install PECL extensions?

Installing PECL extensions in Debian

Install Pre-requisites. apt-get install make apt-get install php5-dev apt-get install php-pear.
PECL Syntax. Syntax for PECL Extension Installs pecl install extname-ver.
PECL Extension Install Example.
Enable the PECL Extension in PHP5.
Activate the Extension.
Clean up.
Verify.

What is JSON PHP extension?

The JSON extension implements the JavaScript Object Notation data-interchange format. In PHP 5, the decoding is handled by a parser based on the JSON_checker by Douglas Crockford. PHP 7 has a new and improved parser specifically written for PHP and licensed under the PHP license.

What is Tokenizer PHP extension?

Tokenizer ¶
PhpToken::is — Tells whether the token is of given kind. PhpToken::isIgnorable — Tells whether the token would be ignored by the PHP parser. PhpToken::__toString — Returns the textual content of the token. PhpToken::tokenize — Splits given source into PHP tokens, represented by PhpToken objects.

What are PHP extensions?

A PHP extension is a specially formed library or plug-in that provides a function that can be used by many applications.

How do I enable PHP extensions in Windows?

Installing PHP Extensions on Windows
ini file for your PHP installation, and open it in a text editor. Step 2: Locate the line that specifies the location of the “extension = ” line. Step 3: Look for the extension you want to install and remove the semicolon preceding that line.

How do I check if PHP extensions are enabled?

Using Command Line:
If you want details information, you can use php -i to get phpinfo(); response. Check specific extensions whether extension is installed or not. If you want to uninstall all modules and install all again. Use below command with PHP version.

What does PECL mean?

Positive emitter-coupled logic, a family of digital integrated circuits.

What is pear and PECL?

pear is a php classes written in php Whereas pecl is extensions which not written in php and need compiling .

How can I tokenize a string in PHP?

PHP | strtok() for tokening string
Like C strtok(), PHP strtok() is used to tokenize a string into smaller parts on the basis of given delimiters It takes input String as a argument along with delimiters (as second argument). Parameters :This function accepts two parameters and both of them are mandatory to be passed.

What are the three types of PHP file extension?

PHP version 7.4 is the most used version.
…
PHP.

Major implementations
License	PHP License (most of Zend engine under Zend Engine License)
Filename extensions	.php , .phar , .phtml , .pht , .phps
Website	www.php.net

What is PDO PHP extension?

PDO is an acronym for PHP Data Objects. PDO is a lean, consistent way to access databases. This means developers can write portable code much easier. PDO is not an abstraction layer like PearDB. PDO is a more like a data access layer which uses a unified API (Application Programming Interface).

How do I see all extensions in PHP?

If your server only has a single PHP version installed, you can run this PHP command anywhere, and it will give you the same list of modules. The general command we will be using is php -m. This command will give you the full list of installed PHP modules/extensions.

How do PHP extensions work?

To use an extension, you simply connect it to your application’s PHP binary. You can make use of a publicly available extension or create your own to: Provide functions and/or classes to work with data structures such as strings, arrays, objects, lists, and graphs.

What is PEAR and PECL?

What is PEAR in PHP with example?

PEAR means “PHP Extension and Application Repository.” It is a framework and distribution system for reusable PHP components. It extends PHP and gives a higher level of programming for all web developers. PEAR is divided into three different classes that are: PEAR Core Components, PEAR Packages, and PECL Packages.

What does PEAR stand for?

PHP Extension and Application Repository
PEAR means “PHP Extension and Application Repository.” It is a framework and distribution system for reusable PHP components. It extends PHP and gives a higher level of programming for all web developers.

What is tokenization PHP?

Like C strtok(), PHP strtok() is used to tokenize a string into smaller parts on the basis of given delimiters It takes input String as a argument along with delimiters (as second argument).

What is token function in PHP?

In any programming language a token is defined as an independent element used in creating the program. In PHP a token is considered an individual component of a program. The keywords, variables, constants, operators and strings used in a program are tokens in PHP.

What are the PHP extensions?

php file extension refers to the name of a file with a PHP script or source code that has a “. PHP” extension at the end of it. It’s similar to a Word file with a . doc file extension.

What is the default extension of a PHP file?

. php is the default extension of PHP file.

Should I use MySQLi or PDO?

Should I Use MySQLi or PDO? If you need a short answer, it would be “Whatever you like”. Both MySQLi and PDO have their advantages: PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases.

Which is more secure PDO or MySQLi?

The main difference between PDO and Mysqli is that PDO supports various databases and mysqli supports only MySQL. MySQLi is also a bit faster. PDO supports 12 different drivers, opposed to MySQLi, which supports MySQL only. So about security there’s no difference because they both use prepared statements with escaping.