Topic: PHP, CORS, and Server Requests

Assume the role of an API that provides a chart wizard feature.

Given a dataset with the following dimensions:
- Key: country, Label: Country, Units: null, DataType: text, PlotType: categorical
- Key: region, Label: Region, Units: null, DataType: text, PlotType: categorical
- Key: year, Label: Year, Units: null, DataType: date, PlotType: timeSeries
- Key: income, Label: Income per capita, Units: Inflation adjusted dollars, DataType: numeric, PlotType: continuous
- Key: population, Label: Population, Units: People, DataType: numeric, PlotType: discrete
- Key: lifeExpectancy, Label: Life Expectancy, Units: Years, DataType: numeric, PlotType: continuous

A user wants to create a chart with the following description (delimited by double tildes):
~~Life Expectency by region over time~~

Do not include any explanations, only provide a RFC8259 compliant JSON response containing a valid Vega Lite chart definition object.

Please give the chart a suitable title and description. Do not include any data in this definition.

The JSON response:

Topic: PHP, CORS, and Server Requests
with php 8.2
how can manage max running coroutines  ?
i want add jobs but i want only max 5 coroutines  is running