Posting JSON to PHP with cURL
In web development, communicating data between client and server in JSON format is a common practice. However, when attempting to post JSON data to a PHP script using the cURL command, it may fail to interpret the data correctly, resulting in an empty array.
This issue commonly arises because the -d parameter in cURL is typically interpreted as form-encoded data. To specify that the data is in JSON format, the -H parameter must be used to set the Content-Type header.
Corrected Command
To solve the issue, modify the command as follows:
curl -v -H "Content-Type: application/json" -X POST -d '{"screencast":{"subject":"tools"}}' \
http://localhost:3570/index.php/trainingServer/screencast.jsonExplanation
By using this corrected command, PHP should now correctly interpret the POST data and act accordingly.
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