PDF Placeholders with Other Delimiters: [[name]]

use chilkat();

$success = 0;

#  This example requires the Chilkat API to have been previously unlocked.
#  See Global Unlock Sample for sample code.

#  The PDF used in this example is available at letter_template.pdf

$pdf = chilkat::CkPdf->new();
$success = $pdf->LoadFile("qa_data/pdf/letter_template.pdf");
if ($success == 0) {
    print $pdf->lastErrorText() . "\r\n";
    exit;
}

#  The letter reads: "Dear [[name]]," ... "expires on [[expiry]]" ... "[[amount]] per year" ... "[[agent]]".
$json = chilkat::CkJsonObject->new();
$json->UpdateString("placeholderSyntax","[[name]]");
$json->UpdateString("placeholders.date","October 18, 2026");
$json->UpdateString("placeholders.name","Ms. Rivera");
$json->UpdateString("placeholders.expiry","December 31, 2026");
$json->UpdateString("placeholders.amount","$299.00");
$json->UpdateString("placeholders.agent","Dana Whitfield, Account Manager");

$jsonOut = chilkat::CkJsonObject->new();
$success = $pdf->TextReplace("apply",$json,$jsonOut);
if ($success == 0) {
    print "Not applied: " . $jsonOut->emit() . "\r\n";
    if ($success == 0) {
        print $pdf->lastErrorText() . "\r\n";
        exit;
    }

}

$i = 0;
$count_i = $jsonOut->SizeOfArray("replacements");
while ($i < $count_i) {
    $jsonOut->put_I($i);
    print "[[" . $jsonOut->stringOf("replacements[i].field") . "]] replaced" . "\r\n";
    $i = $i + 1;
}

$success = $pdf->WriteFile("qa_output/letter_rivera.pdf");
if ($success == 0) {
    print $pdf->lastErrorText() . "\r\n";
    exit;
}

#  Sample output:

#  [[date]] replaced
#  [[name]] replaced
#  [[expiry]] replaced
#  [[amount]] replaced
#  [[agent]] replaced