How can users ensure compatibility with older versions of PHP while using the updated ldap_connect() syntax in PHP 8.3?

When using the updated ldap_connect() syntax in PHP 8.3, users can ensure compatibility with older versions of PHP by checking the PHP version before using the new syntax. If the PHP version is below 8.3, users can fall back to using the old ldap_connect() syntax to maintain compatibility. 

if (version_compare(PHP_VERSION, '8.3.0') >= 0) {
    $ldap = ldap_connect('ldap://example.com');
} else {
    $ldap = ldap_connect();
    ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
    ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
    ldap_bind($ldap, 'cn=admin,dc=example,dc=com', 'password');
}

Keywords

PHP 8.3 ldap_connect() compatibility older versions syntax

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