Gets the current PHP version
Syntax
phpversion(?string $extension = null): string|false
Parameters
extensionAn optional extension name.
Return
Returns the current PHP version as a string. If a string argument is provided for extension parameter, phpversion() returns the version of that extension, or false if there is no version information associated or the extension isn't enabled.
Examples
1 · void
<? $return = phpversion(); echo $return; ?>
8.2.8
2 · extension
<? $extension = "zip"; $return = phpversion($extension); echo $return; ?>
1.21.1
3 · PHP_VERSION
<?
$php_version = explode('.', PHP_VERSION);
define('PHP_VERSION_MAJOR', $php_version[0]);
define('PHP_VERSION_MINOR', $php_version[1]);
define('PHP_VERSION_RELEASE', $php_version[2]);
echo PHP_VERSION . PHP_EOL;
echo PHP_VERSION_MAJOR . PHP_EOL;
echo PHP_VERSION_MINOR . PHP_EOL;
echo PHP_VERSION_RELEASE;
?>8.2.8 8 2 8
