<?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);
?>