PHP

Get a Mail-Merge Replace Pattern

Demonstrates the Chilkat Email.GetReplacePattern method, which returns a replacement pattern — the search string — previously defined for mail-merge operations with SetReplacePattern. The index is zero-based. This example defines two patterns and enumerates them.

Background: In Chilkat's mail-merge, each entry is a pattern (a placeholder token such as FIRST_NAME) paired with a replacement string. GetReplacePattern retrieves the search side of the pair at a given index; GetReplaceString retrieves the matching replacement. Reading them back is useful for inspecting or logging exactly which substitutions will be applied when the message is sent.

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<?php

use Chilkat2\Email;

// Demonstrates the GetReplacePattern method, which returns a replacement pattern (the
// search string) previously defined for mail-merge operations with SetReplacePattern.
// The index is zero-based.

$email = new Email();
$email->Subject = 'Hello FIRST_NAME';
$email->Body = 'Dear FIRST_NAME, welcome to CITY.';

$email->SetReplacePattern('FIRST_NAME', 'John');
$email->SetReplacePattern('CITY', 'Denver');

$n = $email->NumReplacePatterns;
for ($i = 0; $i < $n; $i++) {
    echo 'Pattern ', $i, ': ', $email->GetReplacePattern($i), "\n";
}