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(PHP Extension) JSON: Access Array ValuesDemonstrates how to access values in a JSON array.
<?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(); $jsonStr = '{ \'id\': 1, \'name\': \'A green door\', \'tags\': [\'home\', 22, \'green\'], \'price\': 125 }'; $success = $json->Load($jsonStr); if ($success != true) { print $json->lastErrorText() . "\n"; exit; } // Get the "tags" array, which contains "home", 22, "green" // tagsArray is a CkJsonArray $tagsArray = $json->ArrayOf('tags'); if ($json->get_LastMethodSuccess() == false) { print 'tags member not found.' . "\n"; exit; } // Get the value at each array index. // Output will be: // [0] = home // [0] as integer = 0 // [1] = 22 // [1] as integer = 22 // [2] = green // [2] as integer = 0 $arraySize = $tagsArray->get_Size(); for ($i = 0; $i <= $arraySize - 1; $i++) { $sValue = $tagsArray->stringAt($i); print '[' . $i . '] = ' . $sValue . "\n"; $iValue = $tagsArray->IntAt($i); print '[' . $i . '] as integer = ' . $iValue . "\n"; } // Note: The StringAt method returns the value as a string regardless of the type. // The IntAt method returns the value as an integer. If the value does not convert to // an integer, then 0 is returned ?> |
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