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run code in 150+ php & hhvm versions
Bugs & Features
<?php class UnusedPrivateMethodFalsePositive { private $id = 0; public function __construct($id) { $this->id = $id; } public function doSomething(UnusedPrivateMethodFalsePositive $other) { $other->callPrivate($this, true); } private function callPrivate(UnusedPrivateMethodFalsePositive $other, $callOther = false) { echo 'This : ' . $this->id . PHP_EOL; echo 'Other: ' . $other->id . PHP_EOL; if ($callOther) { $other->callPrivate($this, false); } } } $a = new UnusedPrivateMethodFalsePositive('a'); $b = new UnusedPrivateMethodFalsePositive('b'); $a->doSomething($b);
Output for 5.0.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
This : b Other: a This : a Other: b
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/lYB33 on line 20 This : bPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/lYB33 on line 21 Other: aPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/lYB33 on line 20 This : aPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/lYB33 on line 21 Other: bPHP_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/lYB33 on line 6
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/lYB33 on line 6
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/lYB33 on line 6
Process exited with code 255.