3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class StringHelper { public function interpolate($str, array $context = [], $asIs = false) { $replace = []; foreach ($context as $key => $val) { if ($asIs) { $replace[$key] = $val; } else { $replace['{{' . $key . '}}'] = $val; } } return strtr($str, $replace); } } class CacheKeysDict { protected static $stringHelper = null; const BOT_ACTIVITY_MESSAGES = 'bot_activity_messages'; const PROFILE = 'profile_{{id}}'; public static function prepareKey($id, array $context = []) { $key = constant("CacheKeysDict::{$id}"); return self::getStringHelper()->interpolate($key, $context); } public static function getStringHelper() { if (is_null(self::$stringHelper)) { self::$stringHelper = new StringHelper; } return self::$stringHelper; } } var_dump([ CacheKeysDict::BOT_ACTIVITY_MESSAGES, CacheKeysDict::prepareKey(CacheKeysDict::BOT_ACTIVITY_MESSAGES), CacheKeysDict::prepareKey(CacheKeysDict::PROFILE, ['id' => 503]), ]);
based on 4e0sg
Output for 5.4.0 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
Warning: constant(): Couldn't find constant CacheKeysDict::bot_activity_messages in /in/G6CMc on line 28 Warning: constant(): Couldn't find constant CacheKeysDict::profile_{{id}} in /in/G6CMc on line 28 array(3) { [0]=> string(21) "bot_activity_messages" [1]=> string(0) "" [2]=> string(0) "" }
Output for hhvm-3.12.0
Warning: constant(): Couldn't find constant CacheKeysDict::bot_activity_messages in /in/G6CMc on line 28 Warning: strtr() expects parameter 1 to be string, null given in /in/G6CMc on line 15 Warning: constant(): Couldn't find constant CacheKeysDict::profile_{{id}} in /in/G6CMc on line 28 Warning: strtr() expects parameter 1 to be string, null given in /in/G6CMc on line 15 array(3) { [0]=> string(21) "bot_activity_messages" [1]=> NULL [2]=> NULL }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/G6CMc on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/G6CMc on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/G6CMc on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/G6CMc on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/G6CMc on line 5
Process exited with code 255.