Documentation
Until
Until works in a very similar way to filter function.
The difference is that it will send STOP signal to extractor when the condition is met.
Example:
<?php
data_frame()
->read(from_array([
['a' => 100, 'b' => 100],
['a' => 100, 'b' => 200]
]))
->until(ref('b')->divide(lit(2))->equals(lit('a')))
->write(to_output(false))
->run();
This feature is useful when you want to stop the extraction process when a certain condition is met but the data source does not provide a good way to filter the data. For example, when you want to stop the extraction process when you reach a certain date.
Examples
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