3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class ConfigManager { var $config = array(); function ConfigManager() { echo "Created\n"; } function load() { $this->config = array('foo' => 'bar'); } function get($key) { return isset($this->config[$key]) ? $this->config[$key] : null; } function set($key, $value) { $this->config[$key] = $value; } } function &config_get_manager() { static $configManager = null; if (!isset($configManager)) { $configManager = new ConfigManager; $configManager->load(); } return $configManager; } function config_get($key) { static $configManager = null; if (!isset($configManager)) { $configManager = &config_get_manager(); } return $configManager->get($key); } function config_set($key, $value) { static $configManager = null; if (!isset($configManager)) { $configManager = &config_get_manager(); } $configManager->set($key, $value); } echo config_get('foo') . "\n"; config_set('foo', 'baz'); echo config_get('foo') . "\n";
Output for 7.0.0 - 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ConfigManager has a deprecated constructor in /in/sWsq5 on line 3 Created bar baz
Output for 4.3.0 - 4.4.9, 5.1.3 - 5.6.28
Created bar baz
Output for 5.0.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/sWsq5 on line 5 Created bar baz