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openssl_pkey_export()

« openssl_get_publickey | openssl_pkey_get_details »
<?php
$key 
openssl_pkey_new(
    
 // [array $n_configargs]
);

$bool openssl_pkey_export (
    
// mixed $key
    
// string &$out
    
// [string $passphrase]
    
  // [array $configargs]
);
?>
结果
$out = '-----BEGIN ENCRYPTED PRIVATE KEY-----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-----END ENCRYPTED PRIVATE KEY-----
'
$bool = true
示例
#1 openssl_pkey_export  ($key,
 
$out,
 
"this is a passphrase")
#2 openssl_pkey_export  (/* $n_configargs = ["digest_alg" => "sha512", "private_key_bits" => 4096, "private_key_type" => OPENSSL_KEYTYPE_RSA] */
 
$key,
 
$out)
另请参阅
openssl_pkey_new