-// Bail if PHP is too low
-if ( !function_exists( 'version_compare' ) || version_compare( PHP_VERSION, '5.3.3' ) < 0 ) {
- // We need to use dirname( __FILE__ ) here cause __DIR__ is PHP5.3+
- require dirname( __FILE__ ) . '/includes/PHPVersionError.php';
- wfPHPVersionError( 'api.php' );
-}
+// Bail on old versions of PHP, or if composer has not been run yet to install
+// dependencies. Using dirname( __FILE__ ) here because __DIR__ is PHP5.3+.
+require_once dirname( __FILE__ ) . '/includes/PHPVersionCheck.php';
+wfEntryPointCheck( 'api.php' );