Source:  https://stackoverflow.com/questions/6863948/how-to-get-expiry-date-from-the-ssl-certificate-file-in-php<pre>Array
(
    [name] => /CN=lunawebs.com
    [subject] => Array
        (
            [CN] => lunawebs.com
        )

    [hash] => 105ebe35
    [issuer] => Array
        (
            [C] => US
            [O] => Let's Encrypt
            [CN] => R10
        )

    [version] => 2
    [serialNumber] => 540991048428075146544168625012238276379962
    [serialNumberHex] => 0635D46DFB36F83356BCD9FA2381725C453A
    [validFrom] => 250801051054Z
    [validTo] => 251030051053Z
    [validFrom_time_t] => 1754025054
    [validTo_time_t] => 1761801053
    [signatureTypeSN] => RSA-SHA256
    [signatureTypeLN] => sha256WithRSAEncryption
    [signatureTypeNID] => 668
    [purposes] => Array
        (
            [1] => Array
                (
                    [0] => 1
                    [1] => 
                    [2] => sslclient
                )

            [2] => Array
                (
                    [0] => 1
                    [1] => 
                    [2] => sslserver
                )

            [3] => Array
                (
                    [0] => 1
                    [1] => 
                    [2] => nssslserver
                )

            [4] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => smimesign
                )

            [5] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => smimeencrypt
                )

            [6] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => crlsign
                )

            [7] => Array
                (
                    [0] => 1
                    [1] => 1
                    [2] => any
                )

            [8] => Array
                (
                    [0] => 1
                    [1] => 
                    [2] => ocsphelper
                )

            [9] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => timestampsign
                )

        )

    [extensions] => Array
        (
            [keyUsage] => Digital Signature, Key Encipherment
            [extendedKeyUsage] => TLS Web Server Authentication, TLS Web Client Authentication
            [basicConstraints] => CA:FALSE
            [subjectKeyIdentifier] => 7F:91:A6:98:0F:23:50:50:3F:D6:09:28:CB:00:D6:BA:47:09:5F:5B
            [authorityKeyIdentifier] => keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8

            [authorityInfoAccess] => CA Issuers - URI:http://r10.i.lencr.org/

            [subjectAltName] => DNS:lunawebs.com, DNS:lunawebs.lunasoft.com, DNS:www.lunawebs.com
            [certificatePolicies] => Policy: 2.23.140.1.2.1

            [crlDistributionPoints] => 
Full Name:
  URI:http://r10.c.lencr.org/59.crl

            [ct_precert_scts] => Signed Certificate Timestamp:
    Version   : v1(0)
    Log ID    : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
                47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
    Timestamp : Aug  1 06:09:24.587 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:46:02:21:00:87:D9:EF:00:49:E9:40:CE:48:A6:70:
                FC:D7:E2:C1:4A:64:23:00:80:0C:B5:ED:4B:A3:D5:5F:
                CF:D5:C7:80:50:02:21:00:8A:F2:F1:FC:E3:94:CB:54:
                9D:E9:D0:42:3E:E7:24:64:25:0A:76:5C:69:31:8A:9F:
                CF:F0:2D:27:36:CD:6A:F6
Signed Certificate Timestamp:
    Version   : v1(0)
    Log ID    : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
                26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
    Timestamp : Aug  1 06:09:26.587 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:20:52:48:5A:F6:75:F4:3C:5E:05:45:E5:9B:
                57:C9:73:38:33:08:EB:80:9A:D6:10:B3:43:35:E8:1F:
                5E:8F:27:D6:02:21:00:EB:73:29:B3:EE:93:33:60:F2:
                9D:4B:CC:DE:A0:8A:88:17:B1:D1:43:2E:56:08:86:77:
                A0:49:06:2C:83:55:3E
        )

)
</pre>Valid From: Thu, 31 Jul 2025 23:10:54 -0600<br>Valid To:Wed, 29 Oct 2025 23:10:53 -0600<br>certificate is live