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<openssl_pkcs7_encryptopenssl_pkcs7_sign>
^OpenSSL FunctionsLast updated: Mon, 26 Oct 2026

openssl_pkcs7_read

(PHP 7 >= 7.2.0, PHP 8)

openssl_pkcs7_read — Export the PKCS7 file to an array of PEM certificates

Description

function openssl_pkcs7_read(string $data, array &$certificates): bool

Warning

This function is currently not documented; only its argument list is available.

Parameters

data

The string of data you wish to parse (p7b format).

certificates

The array of PEM certificates from the p7b input data.

Return Values

Returns true on success or false on failure.

Examples

Example #1 Get a PEM array from a P7B file

<?php

$file = 'certs.p7b';

$f = file_get_contents($file);
$p7 = array();
$r = openssl_pkcs7_read($f, $p7);

if ($r === false) {
    printf("ERROR: %s is not a proper p7b file".PHP_EOL, $file);
        for($e = openssl_error_string(), $i = 0; $e; $e = openssl_error_string(), $i++)
            printf("SSL l%d: %s".PHP_EOL, $i, $e);
    exit(1);
}

print_r($p7);
?>

See Also

  • openssl_csr_sign() - Sign a CSR with another certificate (or itself) and generate a certificate


<openssl_pkcs7_encryptopenssl_pkcs7_sign>
^OpenSSL FunctionsLast updated: Mon, 26 Oct 2026