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run code in 150+ php & hhvm versions
Bugs & Features
<?php // Declara a interface 'iTemplate' interface iTemplate { public function setVariable($name, $var); public function getHtml($template); } // Implementa a interface // Isso funcionará class Template implements iTemplate { private $vars = array(); public function setVariable($name, $var) { $this->vars[$name] = $var; } public function getHtml($template) { echo 'tchau'; } } // Isso NÃO funcionará // Fatal error: Class BadTemplate contains 1 abstract methods // and must therefore be declared abstract (iTemplate::getHtml) class BadTemplate extends Template { private $vars = array('x' => 'o'); public function getHtml($template) { echo 'oi'; } } $o = new BadTemplate(); $o->getHtml("aa {x} "); ?>
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
oi
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/EkEE1 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 in /in/EkEE1 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EkEE1 on line 4
Process exited with code 255.