openssl_csr_get_subject

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

openssl_csr_get_subject — 返回 CSR 的主题

说明

openssl_csr_get_subject(OpenSSLCertificateSigningRequest|string $csr, bool $short_names = true): array|false

openssl_csr_get_subject() 返回 csr 中专有名称信息的主题，其中包含了通用名称（CN）、机构名称（O）、国家名（C）等字段。

参数

csr

See CSR parameters for a list of valid values.

short_names

shortnames 控制着数据如何在数组中被索引 - 如果 shortnames 为 true (默认) 将使用简称形式对字段进行索引，否则将使用全称形式 - 比如： CN 就是 commonName 的简称形式。

返回值

返回带有主题描述的关联数组， 或者在失败时返回 false。

更新日志

版本 说明
8.0.0 csr 现在接受 OpenSSLCertificateSigningRequest 实例；之前接受类型 OpenSSL X.509 CSR 的 resource。

示例

示例 #1 openssl_csr_get_subject() 示例

<?php
$subject = array(
"countryName" => "CA",
"stateOrProvinceName" => "Alberta",
"localityName" => "Calgary",
"organizationName" => "XYZ Widgets Inc",
"organizationalUnitName" => "PHP Documentation Team",
"commonName" => "Wez Furlong",
"emailAddress" => "wez@example.com",
);
$private_key = openssl_pkey_new(array(
"private_key_bits" => 2048,
"private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$configargs = array(
'digest_alg' => 'sha512WithRSAEncryption'
);
$csr = openssl_csr_new($subject, $privkey, $configargs);
print_r(openssl_csr_get_subject($csr));
?>

以上示例的输出类似于：

Array
(
    [C] => CA
    [ST] => Alberta
    [L] => Calgary
    [O] => XYZ Widgets Inc
    [OU] => PHP Documentation Team
    [CN] => Wez Furlong
    [emailAddress] => wez@example.com
)

参见

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用户贡献的备注 4 notes

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2
pdm at wp dot pl
9 years ago
openssl_csr_get_subject('somedomain.com',false);
return
array(7) {
["countryName"]=> string "XX"
["stateOrProvinceName"]=> string "xxxxxxxxx"
["localityName"]=> string "xxxxxxxx"
["organizationName"]=> string "xxxxxxxxx"
["organizationalUnitName"]=>string "xxxx"
["commonName"]=>string "xxx"
["emailAddress"]=>string "xxx"
}

openssl_csr_get_subject('somedomain.com',true);
return
array(7) {
["C"]=> string "XX"
["ST"]=> string "xxxxxxxxx"
["L"]=> string "xxxxxxxx"
["O"]=> string "xxxxxxxxx"
["OU"]=>string "xxxx"
["CN"]=>string "xxx"
["emailAddress"]=>string "xxx"
}
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1
mikko koivu
14 years ago
this function does not yet return SANs (subject alternative names) fields for UC certificates like those used in exchange 2007.
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0
Steve
8 years ago
This function may not return name fields in the order they appear in the certificate. For example, this CSR:

-----BEGIN CERTIFICATE REQUEST-----
MIHsMIGUAgEAMDIxEDAOBgNVBAsMB3VuaXQgIzExDDAKBgNVBAoMA29yZzEQMA4G
A1UECwwHdW5pdCAjMjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABGvZnFxGuVzJ
hOKPs5RNxZBS4vY6ERaqm5tKMGOhxLSfv/dpjDtNNdSHkIGNjYxclHYhxG0ku7BY
PA5uPIjng1SgADAKBggqhkjOPQQDAgNHADBEAiB4GXhhbEU1UFTCe0dwJnKHTQuI
xzYL5FnyhmKdixN/0gIgBXSm9S8L/oJ6rBxemin/V/xKv5jy4TEZuz84nnshxQQ=
-----END CERTIFICATE REQUEST-----

When processed by 'openssl -noout -subject' gives this:

subject=/OU=unit #1/O=org/OU=unit #2

On the other hand, 'var_dump( openssl_csr_get_subject( "..." ) )' will produce this:

csr = array(2) {
["OU"]=>
array(2) {
[0]=>
string(7) "unit #1"
[1]=>
string(7) "unit #2"
}
["O"]=>
string(3) "org"
}

As you can see, ordering information (which may be important for some applications) is lost.
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-2
stephan[at]strato-rz[dot]de
16 years ago
The returning assoziative array is indexed with the fields
in the subject so you should have a array key named CN,OU and so on.
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备份地址：http://www.lvesu.com/blog/php/function.openssl-csr-get-subject.php