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<?php class test { protected $val; public function __construct($val) { $this->$val = $val; } public function getVal() { return $this->val; } } $arr = array( 'one' => new test(53), 'two' => new test(200), 'three' => new test(100) ); uasort($arr, function (test $a, test $b) { echo "comparing $a::$a->getVal() with $b::$b->getVal()"; if ($a->getVal() == $b->getVal()) { return 0; } return ($a->getVal() < $b->val()) ? -1 : 1; }); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property test::$53 is deprecated in /in/tCpPm on line 7 Deprecated: Creation of dynamic property test::$200 is deprecated in /in/tCpPm on line 7 Deprecated: Creation of dynamic property test::$100 is deprecated in /in/tCpPm on line 7 Fatal error: Uncaught Error: Object of class test could not be converted to string in /in/tCpPm:22 Stack trace: #0 [internal function]: {closure}(Object(test), Object(test)) #1 /in/tCpPm(21): uasort(Array, Object(Closure)) #2 {main} thrown in /in/tCpPm on line 22
Process exited with code 255.

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