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(PHP ActiveX) PC/SC List Smart Card Readers (and USB Tokens)See more SCard ExamplesDemonstrates how to list the smart card readers and USB tokens connected to the computer. Note: This functionality was introduced in Chilkat v9.5.0.87.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.SCard') $scard = new COM("Chilkat.SCard"); // First establish a context to the PC/SC Resource Manager $success = $scard->EstablishContext('user'); if ($success == 0) { print $scard->LastErrorText . "\n"; exit; } // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringTable') $stReaders = new COM("Chilkat.StringTable"); $success = $scard->ListReaders($stReaders); if ($success == 0) { print $scard->LastErrorText . "\n"; exit; } $numReaders = $stReaders->Count; $i = 0; while ($i < $numReaders) { print $i . ': ' . $stReaders->stringAt($i) . "\n"; $i = $i + 1; } // Sample output: // 0: Alcor Micro USB Smart Card Reader 0 // 1: FS USB Token 0 // 2: FT Java Token 0 // 3: SCM Microsystems Inc. SCR33x USB Smart Card Reader 0 // 4: Yubico YubiKey OTP+FIDO+CCID 0 // Applications should always release the context when finished. $success = $scard->ReleaseContext(); if ($success == 0) { print $scard->LastErrorText . "\n"; } ?> |
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