zend_version()
zend_version() — Gets the version of the current Zend engine.
Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
Returns a string containing the version of the currently running Zend Engine.
Signature
zend_version(): string
Parameters
This function takes no parameters.
Return value
Returns the Zend Engine version number, as a string.
Example
A runnable snippet:
echo "Zend engine version: " . zend_version();
Output:
Zend engine version: 2.2.0
See also
phpinfo(), phpcredits(), phpversion()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page zend_version() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.