(PHP Extension) Extract PDF from JSON

Demonstrates how to extract a PDF file contained within JSON. The file is represented as a base64 string within the JSON. Note: This example can extract any type of file, not just a PDF file.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

$json = new CkJsonObject();

// Load the JSON.
$success = $json->LoadFile('qa_data/json/JSR5U.json');
if ($success != true) {
    print $json->lastErrorText() . "\n";
    exit;
}

// The JSON we loaded contains this:

// 	{
// 	...
// 	...
// 	  "data": {
// 	    "content": "JVBERi0xLjQ..."
// 	  }
// 	...
// 	...
// 	}

$sb = new CkStringBuilder();
$json->StringOfSb('data.content',$sb);

$bd = new CkBinData();
$bd->AppendEncodedSb($sb,'base64');

$success = $bd->WriteFile('qa_output/a0015.pdf');

?>