--TEST-- Overloaded GMP comparison in sort() etc --SKIPIF-- <?php if (!extension_loaded("gmp")) print "skip"; ?> --FILE-- <?php $arr = [gmp_init(0), -3, gmp_init(2), 1]; sort($arr); var_dump($arr); var_dump(min(gmp_init(3), 4)); var_dump(max(gmp_init(3), 4)); ?> --EXPECT-- array(4) { [0]=> int(-3) [1]=> object(GMP)#1 (1) { ["num"]=> string(1) "0" } [2]=> int(1) [3]=> object(GMP)#2 (1) { ["num"]=> string(1) "2" } } object(GMP)#3 (1) { ["num"]=> string(1) "3" } int(4)