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pSym

A REPL for Symfony and PHP

pSym works both inside and outside Symfony project. When used within a Symfony project, it provides additional features such as access to variables like $kernel, $container, $doctrine, and $em. Additionally, all registered project commands become accessible as well.

The lse command and table(), sql(), and dql() functions are available when Doctrine is installed.

Function html() and features like auto-completion, auto-suggestion, and doc-and-signature work universally.

Installation

To install it, create a project using composer create-project in your preferred location. It supports PHP versions >=7.2 and works with Symfony versions 4, 5, 6, and 7.

# The home directory might be an ideal place to install
cd ~
composer create-project tareqas/psym psym

Next, add the your-psym-installation-path/psym/bin/ directory to your system's PATH, so you can run the psym command directly from your shell.

Warning: Do not install it as a global or local package; it won't work.

Commands

# list all the commands, including your project commands.
list
# or
?

Auto-complete and Auto-suggestion

auto-completion

To get suggestions, press the TAB key.

Note: Sometimes you may need to press SPACE first and then TAB.

# press TAB for suggestion
$kernel->
# it also works with method chaining
$kernel->getBundle()-> 
# press TAB for completion
$kernel->getBund

Documentation and Signature

documentation and signature

You can view PHPDoc documentation and signature for function, property, and method.

# press TAB to display the phpDoc and signature for getBundle
$kernel->getBundle 

lse

lse

The lse command lists all entities managed by Doctrine.

# list of of all matching tables
lse ca
# list all properties, columns, types, and default values of an entity
lse cart
# list of all matching properties for the 'cart' entity
lse cart tot

html()

function html(...$vars): void

The html() function dumps variables and renders them as a browsable HTML page. If any of your variables contain Doctrine objects, it will automatically instantiate all proxy objects.

You can fine-tune the dump by providing additional options in the last parameter as an associative array:

html($var, [
    'nestedLevel' => -1, # or 'level' - how deep it should go to instantiate doctrine proxy object
    'collectionSize' => 1, # or 'size' - cut the Doctrine association collection to this specific size
    'maxString' => -1 # cut the overlong string to this specific size
])
# -1 implies no limit.

table()

function table(string $table, ?string $alias = null): EntityRepository|QueryBuilder|void

The table() function retrieves a repository for a given entity. It returns a Doctrine\ORM\EntityRepository if no alias is provided, or a Doctrine\ORM\QueryBuilder if an alias is specified.

sql()

sql

function sql(string $sql, array $params = []): array|void

The sql() function executes raw SQL queries and returns the result as an associative array. Doctrine is required to use this feature.

# press TAB to display all available tables
sql('select * from '
# press TAB to display all available columns in the 'cart' table
sql('select c. from cart c'

dql()

dql

function dql(string $dql, array $params = []): array|void

The dql() function allows you to execute DQL queries and also returns the result as an associative array.

# press TAB to display all available entities
dql('select * from '
# press TAB to display all available properties in the 'Cart' entity
sql('select c. from App\Entity\Cart c'

Limitation: Auto-completion may have limitations with entity classes due to backslashes (\). Other features work as expected.

And more

To unlock the full potential, explore the PsySH documentation. pSym is built on top of PsySH.

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A REPL for Symfony and PHP

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