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run code in 150+ php & hhvm versions
Bugs & Features
<?php class LazyLoadedMethods { protected $_data = array(); protected static $_instance; protected static function set($key, $value){ static::$_instance->_data[$key] = $value; return static::$_instance; } protected static function get($key){ if(array_key_exists($key, static::$_instance->_data)){ return static::$_instance->_data[$key]; } return null; } public static function getInstance() { if (!isset(static::$_instance)) { static::$_instance = new static; } return static::$_instance; } protected static function getFunction($name, $callback){ $ins = static::getInstance(); if(is_null(static::get($name))){ static::set($name, $callback); } return static::get($name); } public static function toBool($v) { $fn = static::getFunction(__FUNCTION__, function($value) { return $value == 1 || $value == true; }); return $fn($v); } public static function parseNewLines($v) { $fn = static::getFunction(__FUNCTION__, function($value) { return trim(preg_replace('/\s\s+/', ' ', $value)); }); return $fn($v); } } var_dump(LazyLoadedMethods::toBool(-1)); var_dump(LazyLoadedMethods::parseNewLines("Some\n new\n lines\n"));
based on H7gMd
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) string(14) "Some new lines"
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/kjsZC on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/kjsZC on line 8
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/kjsZC on line 4
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/kjsZC on line 4
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/kjsZC on line 4
Process exited with code 255.