Mikhail Osher

php > $fqcn = 'Controllers\\MainController';
php > var_dump($fqcn);
string(26) "Controllers\MainController"
php > $ctrl = substr(explode('\\', $fqcn)[1], 0, -10);
php > var_dump($ctrl);
string(4) "Main"

<?php

$url = 'example.com/index?id=7safx145ds7wef4ewf4dsf';
parse_str(parse_url($url, PHP_URL_QUERY), $query);

var_dump($query['id']);

([a-z]+)\s+:\s(\d+\.?\d*)([a-z]+)

function round_to_nearest($number, $divider)
{
    return round($number / $divider) * $divider;
}

var_dump(round_to_nearest(110, 10));
var_dump(round_to_nearest(130, 50));
var_dump(round_to_nearest(56, 50));
var_dump(round_to_nearest(11, 10));
var_dump(round_to_nearest(1.3, 0.5));
var_dump(round_to_nearest(0.14, 0.05));

float(100)
float(150)
float(50)
float(10)
float(1.5)
float(0.15)

<?php

$rawJson = '{"response":1,"counts People":1849}';
$jsonObj = json_decode($rawJson);
$jsonArray = json_decode($rawJson, true);

var_dump($jsonObj, $jsonArray);
var_dump($jsonObj->{'counts People'});
var_dump($jsonArray['counts People']);

object(stdClass)#1 (2) {
  ["response"]=>
  int(1)
  ["counts People"]=>
  int(1849)
}
array(2) {
  ["response"]=>
  int(1)
  ["counts People"]=>
  int(1849)
}
int(1849)
int(1849)

<?php

spl_autoload_extensions('.php');
spl_autoload_register();

$class = 'Foo_Bar';

if (class_exists($class)) {
  echo 'exists';
} else {
  echo 'not exists';
}