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This article shows you how to understand the global use of PHP Laravel helper function dd, the content is concise and easy to understand, absolutely can make your eyes bright, through the detailed introduction of this article, I hope you can get something.

Dump () method

Global composer.json

"require": {"squizlabs/php_codesniffer": "*", "fxp/composer-asset-plugin": "^ 1.4", "symfony/var-dumper": "3.3.16"}

Configure PHP.ini

Auto_prepend_file = "C:UsersMSAppDataRoamingComposervendorautoload.php"

Update Composer

Composer global update

Restart apache after updating and you can use the function dump () globally.

Dd () method

Global composer.json

# add autoload "autoload": {"files": ["D:/web/php/debugHelper.php"]}

Create a new debugHelper.php

# install symfony/var-dump to your project# composer require symfony/var-dumper// use namespaceuse ComponentVarDumperClonerVarCloner;use ComponentVarDumperDumperCliDumper;use ComponentVarDumperDumperHtmlDumper as SymfonyHtmlDumper;/** * Class HtmlDumper * / class HtmlDumper extends SymfonyHtmlDumper {/ * * large column PHP globally uses the Laravel helper function ddnt "> * Colour definitions for output. * * @ var array * / protected $styles = ['default' = >' background-color:#fff; color:#222; line-height:1.2em; font-weight:normal; font:12px Monaco, Consolas, monospace; word-wrap: break-word; white-space: pre-wrap; position:relative Zmuri indexVl1000 million, 'num' = >' color:#a71d5d', 'const' = >' color:#795da3', 'str' = >' color:#df5000', 'cchr' = >' color:#222', 'note' = >' color:#a71d5d', 'ref' = >' color:#a0a0a0', 'public' = >' color:#795da3', 'protected' = >' color:#795da3', 'private' = >' color:#795da3', 'meta' = >' color:#b729d9'' 'key' = >' color:#df5000', 'index' = >' color:#a71d5d',] } / * * Class Dumper * / class Dumper {/ * Dump a value with elegance. * * @ param mixed $value * @ return void * / public function dump ($value) {if (class_exists (CliDumper::class)) {$dumper = 'cli' = = PHP_SAPI? New CliDumper: new HtmlDumper; $dumper- > dump ((new VarCloner)-> cloneVar ($value));} else {var_dump ($value);} if (! Function_exists ('dd')) {/ * Dump the passed variables and end the script. * * @ param mixed * @ return void * / function dd (. $args) {foreach ($args as $x) {(new Dumper)-> dump ($x);} die (1);}} if (! Function_exists ('dda')) {/ * Dump the passed array variables and end the script. * * @ param mixed * @ return void * / function dda (. $args) {foreach ($args as $x) {(new Dumper)-> dump ($x-> toArray ());} die (1);}}

Update composer auto-load

Composer global dump-autoload

After the update, the function dd () can be used globally.

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