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Editing: generate-vcf.php

writable 0666

<?php
if (!isset($_GET['ph']) || !preg_match('/^\d{10}$/', $_GET['ph'])) {
    http_response_code(400);
    echo "Invalid phone number.";
    exit;
}

$ph = $_GET['ph'];
$bizPath = __DIR__ . "/$ph/business.json";

if (!is_readable($bizPath)) {
    http_response_code(404);
    echo "Business not found.";
    exit;
}

$biz = json_decode(file_get_contents($bizPath), true);

// Clean fields
function h($s) { return htmlspecialchars($s, ENT_QUOTES, 'UTF-8'); }

header('Content-Type: text/vcard; charset=utf-8');
header("Content-Disposition: attachment; filename=\"{$ph}-contact.vcf\"");

echo "BEGIN:VCARD\r\n";
echo "VERSION:3.0\r\n";
echo "N:" . h($biz['name']) . ";;;;\r\n";
echo "FN:" . h($biz['name']) . "\r\n";
echo "ORG:" . h($biz['name']) . "\r\n";
if (!empty($biz['phone'])) echo "TEL;TYPE=WORK,VOICE:" . h($biz['phone']) . "\r\n";
if (!empty($biz['address']) || !empty($biz['city']) || !empty($biz['state']) || !empty($biz['zip'])) {
    echo "ADR;TYPE=WORK:;;" . h($biz['address']) . ";" . h($biz['city']) . ";" . h($biz['state']) . ";" . h($biz['zip']) . ";USA\r\n";
}
if (!empty($biz['website'])) echo "URL:" . h($biz['website']) . "\r\n";
echo "END:VCARD\r\n";

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Editing: generate-vcf.php

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