{"id":1505,"date":"2021-05-29T15:40:09","date_gmt":"2021-05-29T15:40:09","guid":{"rendered":"https:\/\/codeinsightacademy.com\/blog\/?p=1505"},"modified":"2021-05-30T18:47:44","modified_gmt":"2021-05-30T18:47:44","slug":"composer","status":"publish","type":"post","link":"https:\/\/codeinsightacademy.com\/blog\/php\/composer\/","title":{"rendered":"Composer"},"content":{"rendered":"\n

A Dependency Manager for PHP<\/h3>\n\n\n\n

Composer is an application-level package manager for the PHP programming language that provides a standard format for managing dependencies of PHP software and required libraries. It was developed by Nils Adermann and Jordi Boggiano in 2012, who continue to manage the project.<\/p>\n\n\n\n

\n\n\n\n

To install composer in windows download and install executable file
https:\/\/getcomposer.org\/download\/<\/a><\/p>\n\n\n\n

To install in ubuntu<\/p>\n\n\n\n

apt install composer<\/code><\/pre>\n\n\n\n
To install latest version of composer on ubuntu<\/p>\n\n\n\n
cd ~\ncurl -sS https:\/\/getcomposer.org\/installer -o composer-setup.php\n\nsudo php composer-setup.php --install-dir=\/usr\/bin --filename=composer\n\nOR\n\nsudo php composer-setup.php --install-dir=\/usr\/local\/bin --filename=composer<\/code><\/pre>\n\n\n\n
\n\n\n\n
composer.json<\/em>
Keep this file in the project’s root directory
NOTE: This file is mandatory to in root directory to use composer as composer look for this file when you run dump-autoload<\/p>\n\n\n\n
{\n\t\"autoload\" : {\n\t\t\"files\" : [\"lib\/global_functions.php\"],\n\t}\n}<\/code><\/pre>\n\n\n\n
lib\/global_functions.php<\/em><\/p>\n\n\n\n
function getMessage() {\n\t\n\techo \"Hello World\" . PHP_EOL;\n\n}<\/code><\/pre>\n\n\n\n
Create autoload file by running any one following command<\/p>\n\n\n\n
composer dump-autoload\ncomposer dump-autoload -o<\/code><\/pre>\n\n\n\n
index.php<\/em><\/p>\n\n\n\n
<?php\nrequire(\"vendor\/autoload.php\");\necho \"=====================\\n\";\ngetMessage();<\/code><\/pre>\n\n\n\n
\n\n\n\n
How to autoload classes using composer<\/p>\n\n\n\n
app\/admin\/Account.php<\/em><\/p>\n\n\n\n
<?php\nnamespace App\\Admin;\n\nclass Account {\n\t\/\/this is magic method as it will invoked automatically \n        \/\/when you create instance of account\n\tpublic function __construct() {\n\t\t\n\t\techo \"I am from Admin Account\" . PHP_EOL;\n\t}\n}<\/code><\/pre>\n\n\n\n
app\/user\/Account.php<\/em><\/p>\n\n\n\n
<?php\nnamespace App\\User;\n\nclass Account {\n\t\/\/this is magic method as it will invoked automatically \n\t\/\/when you create instance of account\n\tpublic function __construct() {\n\t\techo \"I am from User Account\" . PHP_EOL;\n\t}\t\n}<\/code><\/pre>\n\n\n\n
modify composer.json<\/em><\/p>\n\n\n\n
{\n\t\"autoload\" : {\n\t\t\"files\" : [\"lib\/global_functions.php\"],\n\t\t\"classmap\" : [\"app\"]<\/strong>\n\t}\n}<\/code><\/pre>\n\n\n\n
Once you modify composer.json file run dump-autoload command again to add classmapping in autoload file<\/em><\/strong><\/p>\n\n\n\n
composer update<\/code><\/pre>\n\n\n\n
OR<\/p>\n\n\n\n
composer dump-autoload -o<\/code><\/pre>\n\n\n\n
modify index.php<\/em><\/p>\n\n\n\n
<?php\n\nrequire(\"vendor\/autoload.php\");\n\necho \"=====================\\n\";\n\ngetMessage();\n\necho \"=====================\\n\";\n\nnew App\\User\\Account();\n<\/strong>\necho \"=====================\\n\";\n\nnew App\\Admin\\Account();<\/strong>\n\necho \"=====================\\n\";<\/code><\/pre>\n\n\n\n
\"\"<\/a>
directory structure<\/figcaption><\/figure><\/div>\n\n\n\n
Ref Code: https:\/\/gitlab.com\/codeinsightacademy\/composer-demo.git<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
A Dependency Manager for PHP Composer is an application-level package manager for the PHP programming language that provides a standard format for managing dependencies of PHP software and required libraries. It was developed by Nils Adermann and Jordi Boggiano in 2012, who continue to manage the project. To install composer in windows download and install […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/posts\/1505"}],"collection":[{"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/comments?post=1505"}],"version-history":[{"count":23,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/posts\/1505\/revisions"}],"predecessor-version":[{"id":1560,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/posts\/1505\/revisions\/1560"}],"wp:attachment":[{"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/media?parent=1505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/categories?post=1505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codeinsightacademy.com\/blog\/wp-json\/wp\/v2\/tags?post=1505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}