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Bug #71588 str_getcsv partial string enclosure
Submitted: 2016-02-14 13:28 UTC Modified: 2016-02-15 00:39 UTC
From: JunkYardMail1 at Frontier dot com Assigned:
Status: Not a bug Package: Strings related
PHP Version: 5.6.18 OS: FreeBSD
Private report: No CVE-ID: None
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From: JunkYardMail1 at Frontier dot com
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 [2016-02-14 13:28 UTC] JunkYardMail1 at Frontier dot com
From manual page:

If a string is partially in an enclosure then delimiter characters within the enclosed portion are not protected.

Test script:
$string = 'dhcp-class-identifier "Wireless Broadband R,outer", dhcp-client-identifier "", host-name "Wireless_Broadband_Router", domain-name "home"';

$options = str_getcsv($string, ',', '"', '\\');
foreach ($options as $option) {
	$send_options .= "\tsend " . trim($option) . ";\n";

echo $send_options;

Expected result:
send dhcp-class-identifier "Wireless Broadband R,outer";
send dhcp-client-identifier "";
send host-name "Wireless_Broadband_Router";
send domain-name "home";

Actual result:
send dhcp-class-identifier "Wireless Broadband R;
send outer";
send dhcp-client-identifier "";
send host-name "Wireless_Broadband_Router";
send domain-name "home";


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 [2016-02-15 00:39 UTC]
-Status: Open +Status: Not a bug
 [2016-02-15 00:39 UTC]
That string doesn't follow the rules for CSV. Rules which vary by implementation, admittedly, but one common rule is that embedded quotes must be themselves quoted and the containing field as a whole must be quoted as well.

Which means CSV parsing is not suitable for your string. Regex is probably the way to go.
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