<?php

namespace Illuminate\Database\Query;

use Closure;

class JoinClause extends Builder
{
    /**
     * The type of join being performed.
     *
     * @var string
     */
    public $type;

    /**
     * The table the join clause is joining to.
     *
     * @var string
     */
    public $table;

    /**
     * The connection of the parent query builder.
     *
     * @var \Illuminate\Database\ConnectionInterface
     */
    protected $parentConnection;

    /**
     * The grammar of the parent query builder.
     *
     * @var \Illuminate\Database\Query\Grammars\Grammar
     */
    protected $parentGrammar;

    /**
     * The processor of the parent query builder.
     *
     * @var \Illuminate\Database\Query\Processors\Processor
     */
    protected $parentProcessor;

    /**
     * The class name of the parent query builder.
     *
     * @var string
     */
    protected $parentClass;

    /**
     * Create a new join clause instance.
     *
     * @param  \Illuminate\Database\Query\Builder  $parentQuery
     * @param  string  $type
     * @param  string  $table
     * @return void
     */
    public function __construct(Builder $parentQuery, $type, $table)
    {
        $this->type = $type;
        $this->table = $table;
        $this->parentClass = get_class($parentQuery);
        $this->parentGrammar = $parentQuery->getGrammar();
        $this->parentProcessor = $parentQuery->getProcessor();
        $this->parentConnection = $parentQuery->getConnection();

        parent::__construct(
            $this->parentConnection, $this->parentGrammar, $this->parentProcessor
        );
    }

    /**
     * Add an "on" clause to the join.
     *
     * On clauses can be chained, e.g.
     *
     *  $join->on('contacts.user_id', '=', 'users.id')
     *       ->on('contacts.info_id', '=', 'info.id')
     *
     * will produce the following SQL:
     *
     * on `contacts`.`user_id` = `users`.`id` and `contacts`.`info_id` = `info`.`id`
     *
     * @param  \Closure|string  $first
     * @param  string|null  $operator
     * @param  \Illuminate\Database\Query\Expression|string|null  $second
     * @param  string  $boolean
     * @return $this
     *
     * @throws \InvalidArgumentException
     */
    public function on($first, $operator = null, $second = null, $boolean = 'and')
    {
        if ($first instanceof Closure) {
            return $this->whereNested($first, $boolean);
        }

        return $this->whereColumn($first, $operator, $second, $boolean);
    }

    /**
     * Add an "or on" clause to the join.
     *
     * @param  \Closure|string  $first
     * @param  string|null  $operator
     * @param  \Illuminate\Database\Query\Expression|string|null  $second
     * @return \Illuminate\Database\Query\JoinClause
     */
    public function orOn($first, $operator = null, $second = null)
    {
        return $this->on($first, $operator, $second, 'or');
    }

    /**
     * Get a new instance of the join clause builder.
     *
     * @return \Illuminate\Database\Query\JoinClause
     */
    public function newQuery()
    {
        return new static($this->newParentQuery(), $this->type, $this->table);
    }

    /**
     * Create a new query instance for sub-query.
     *
     * @return \Illuminate\Database\Query\Builder
     */
    protected function forSubQuery()
    {
        return $this->newParentQuery()->newQuery();
    }

    /**
     * Create a new parent query instance.
     *
     * @return \Illuminate\Database\Query\Builder
     */
    protected function newParentQuery()
    {
        $class = $this->parentClass;

        return new $class($this->parentConnection, $this->parentGrammar, $this->parentProcessor);
    }
}

• [D] Grammars
• [D] Processors
• [F] Builder.php
  Delete
• [F] Expression.php
  Delete
• [F] IndexHint.php
  Delete
• [F] JoinClause.php
  Delete

Contact Section

Get in Touch with Us for Any Questions or Support

We’d love to hear from you! Whether you have questions, feedback, or need support, our team is here to help. Reach out to us via email, phone, or visit our office. We’re committed to providing you with exceptional service and ensuring your experience with NFC Pay is seamless and satisfying. Let’s connect!

Name*

Email*

Message*

Send Message

Our Location

20-22 Wenlock Road, England, N1 7GU

Call us on: +03601 885399

Our office hours Monday–Friday, 9am - 9pm

Email us directly

support@example.com