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<openssl_x509_fingerprintopenssl_x509_parse>
^OpenSSL FunctionsLast updated: Mon, 26 Oct 2026

openssl_x509_free

(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

openssl_x509_free — Free certificate resource

Warning

This function has been DEPRECATED as of PHP 8.0.0. Relying on this function is highly discouraged.

Description

#[\Deprecated(
    since: '8.0',
    message: 'as OpenSSLCertificate objects are freed automatically',
)]
function openssl_x509_free(OpenSSLCertificate $certificate): void

Note:

This function has no effect. Prior to PHP 8.0.0, this function was used to close the resource.

openssl_x509_free() frees the certificate associated with the specified certificate resource from memory.

Parameters

certificate

Return Values

No value is returned.

Changelog

Version Description
8.0.0 This function is now deprecated as it doesn't have an effect anymore.
8.0.0 certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.

<openssl_x509_fingerprintopenssl_x509_parse>
^OpenSSL FunctionsLast updated: Mon, 26 Oct 2026