Edit report at http://bugs.php.net/bug.php?id=51280&edit=1
ID: 51280 Updated by: hholz...@php.net Reported by: olamedia at gmail dot com Summary: Calculate expression before using it as argument -Status: Open +Status: Bogus Type: Feature/Change Request Package: *General Issues PHP Version: 5.3.2 New Comment: Expected behavior, see: http://php.net/manual/en/language.operators.assignment.php [...] The value of an assignment expression is the value assigned. That is, the value of "$a = 3" is 3. [...] Previous Comments: ------------------------------------------------------------------------ [2010-03-12 08:45:19] olamedia at gmail dot com Description: ------------ Calculate expression before using it as argument in function and with echo. Test script: --------------- class p{ protected $_name = null; protected $_value = null; public function __construct($name, $value){ $this->_name = $name; $this->_value = $value; } public function is($value){ $this->_value = $value; return $this; } public function __toString(){ return "$this->_name = $this->_value"; } } class a{ protected $_a = null; public function __set($name, $value){ $this->_a[$name] = new p($name, $value); return $this->_a[$name]; } public function __get($name){ if (!isset($this->_a[$name])){ $this->_a[$name] = new p($name, null); } return $this->_a[$name]; } } class q{ public function where($var){ echo $var; } } $a = new a(); echo $a->x = 2; // "2" (Expected: "x = 2") echo "\r\n"; echo $a->x; // "x = 2" echo "\r\n"; $q = new q(); $q->where($a->x = 2); // "2" (Expected: "x = 2") echo "\r\n"; $q->where(($a->x = 2)); // "2" (Expected: "x = 2") Expected result: ---------------- x = 2 x = 2 x = 2 x = 2 Actual result: -------------- 2 x = 2 2 2 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/bug.php?id=51280&edit=1
