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Builder::whereExists()

$this whereExists(Closure $callback, string $boolean = 'and', bool $not = false)

Add an exists clause to the query.

Parameters

Closure	$callback
string	$boolean
bool	$not

Return Value

$this

Links:

https://laravel.com/api/5.3/Illuminate/Database/Query/Builder.html#method_whereExists

doc_Laravel

2016-11-02 16:09:27

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