3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { private $_b; private static $_instance; public function __construct($b) { $this->_b = $b; } public function __toString() { return $this->_b . PHP_EOL; } public static function getInstance($b = NULL) { if( ! isset(self::$_instance)){ self::$_instance = new self($b); } return self::$_instance; } } $a = A::getInstance("Test 1"); $b = A::getInstance("Test 2"); echo $a; echo $b;
based on Q6GAZ
Output for 5.0.2 - 7.2.0
Test 1 Test 1
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/uhC1i on line 14 Test 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/uhC1i on line 14 Test 1PHP_EOL
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/uhC1i 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/uhC1i 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/uhC1i on line 4
Process exited with code 255.