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<?php Class User{ protected $number = 0; protected $name = ""; public function setNumber($number) { $this->number = $number; } public function getNumber() { return $this->number; } public function setName($name) { $this->name = $name; } } $user1 = new User(); $user1->setNumber(3); $user1->setName('Mike'); $user2 = new User(); $user2->setNumber(8); $user2->setName('Alex'); $user3 = new User(); $user3->setNumber(5); $user3->setName('John'); $users = [$user1, $user2, $user3]; usort($users, function($a, $b){ return $a->getNumber() < $b->getNumber(); }); var_dump($users[0]); print_r($users[0]->getNumber()); // 8
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: usort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/PMsAu on line 32 object(User)#2 (2) { ["number":protected]=> int(8) ["name":protected]=> string(4) "Alex" } 8

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