<?php
error_reporting(0);
something::do_something();
// $not_there is really NULL
var_dump($not_there);
// error occurs here: execution should never get inside the if condition because $not_there is NULL
if ($not_there["invalid_var"]) {
// will print NULL (which is ok, but execution should never get here if the value is NULL)
var_dump($not_there["use_authmodule"]);
// will print "PATH:Array"
print "PATH:" . $not_there["use_authmodule"] . "\n";
}
class something
{
public static function get_object()
{
static $object = NULL;
if ($object === NULL) {
$object = new something();
}
return $object;
}
public static function do_something()
{
self::get_object()->vars[] = 1;
self::get_object()->vars[] = 2;
self::get_object()->vars[] = 3;
var_dump(self::get_object()->vars);
}
}
}
public function dosomethingelse()
{
$i = 0;
$i++;
}
}
$start = microtime(true);
for ($c = 0; $c < 1000000; $c++) {
dosomething();
}
echo "First loop took " . (microtime(true) - $start) . " seconds\n";
$start = microtime(true);
for ($c = 0; $c < 1000000; $c++) {
$i = 0;
$i++;
}
echo "Second loop took " . (microtime(true) - $start) . " seconds\n";
$foo = new something();
$start = microtime(true);
for ($c = 0; $c < 1000000; $c++) {
$foo->dosomethingelse();
}
unset($foo);
echo "Third loop took " . (microtime(true) - $start) . " seconds\n";
$foo = new something();
$start = microtime(true);
for ($c = 0; $c < 1000000; $c++) {
something::dosomething();
}
echo "Fourth loop took " . (microtime(true) - $start) . " seconds\n";