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(PHP ActiveX) PDF List Unsigned Signature FieldsSee more PDF Signatures ExamplesDemonstrates how to list the unsigned signature fields in a PDF. Note: This example requires Chilkat v9.5.0.90 or greater.
<?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.Pdf') $pdf = new COM("Chilkat.Pdf"); // Load a PDF containing 2 remaining unsigned signature fields: $success = $pdf->LoadFile('qa_data/pdf/doctor_patient_parent.pdf'); if ($success == 0) { print $pdf->LastErrorText . "\n"; exit; } // Note: This example requires Chilkat v9.5.0.90 or greater. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject') $json = new COM("Chilkat.JsonObject"); $pdf->GetUnsignedSigFields($json); $json->EmitCompact = 0; print $json->emit() . "\n"; // Result: // { // "unsignedSigField": [ // "doctor_signature", // "parent_signature" // ] // } // To iterate over the field names: $i = 0; $count_i = $json->SizeOfArray('unsignedSigField'); while ($i < $count_i) { $json->I = $i; $strVal = $json->stringOf('unsignedSigField[i]'); print $strVal . "\n"; $i = $i + 1; } ?> |
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