Mots clés : phpvariablesvariable-assignmentphp
100
$a = $b = 0; $b = 3; var_dump($a); var_dump($b);
int(0) int(3)
class Obj { public $_name; } $a = $b = new Obj(); $b->_name = 'steve'; var_dump($a); var_dump($b);
object(Obj)#1 (1) { ["_name"]=> string(5) "steve" } object(Obj)#1 (1) { ["_name"]=> string(5) "steve" }
88
$a = ($b = 0);
74
$a = $b = 0; $a = 5; echo $b;
$a = $b = 0; $b = 5; echo $a;
66
$a = $b = 4; var_dump($a, $b); $b = 5; var_dump($a, $b);
int(4) int(4) int(4) int(5)
class Tmp { public $foo; public function __construct() { $this->foo = 'bar'; } } $a = $b = new Tmp(); var_dump($a, $b); $a->foo = 'oth'; var_dump($a, $b);
object(Tmp)#1 (1) { ["foo"]=> string(3) "bar" } object(Tmp)#1 (1) { ["foo"]=> string(3) "bar" } object(Tmp)#1 (1) { ["foo"]=> string(3) "oth" } object(Tmp)#1 (1) { ["foo"]=> string(3) "oth" }
60
$a = $b = 0; $b++; echo $a;
$a = ($b = 4) + 5; // $a is equal to 9 now, and $b has been set to 4.
$a = $b = $c = new DOMdocument(); $c->appendChild($c->createElement('html')); echo $a->saveHTML();