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<?php function test1($unset = false) { // PHP establishes an internal static var and binds // the local name 'bar' to it static $bar = 0; $bar++; echo $bar; // unlink the name 'bar' from the internal static var unset($bar); // we can reuse $bar! $bar = " this is crazy "; echo $bar; // rebind 'bar' to the internal static var! static $bar; $bar++; echo $bar; } test1(); test1(); test1(); test1();
Output for 4.3.0 - 7.1.0
1 this is crazy 23 this is crazy 45 this is crazy 67 this is crazy 8