--TEST-- Test array_diff and array_diff_assoc behaviour --FILE-- 2,3,6,3,5,3,3,3,3,3,3,3,3,3,3); $b = array(2,2,3,3,3,3,3,3,3,3,3,3,3,3,3); $c = array(-1,1); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo '$c='.var_export($c,TRUE).";\n"; var_dump(array_diff($a,$b,$c)); var_dump(array_diff_assoc($a,$b,$c)); $a = array( 'a'=>2, 'b'=>'some', 'c'=>'done', 'z'=>'foo', 'f'=>5, 'fan'=>'fen', 7=>18, 9=>25, 11=>42, 12=>42, 45=>42, 73=>'foo', 95=>'some', 'som3'=>'some', 'want'=>'wanna'); $b = array( 'a'=>7, 7=>18, 9=>13, 11=>42, 45=>46, 'som3'=>'some', 'foo'=>'some', 'goo'=>'foo', 'f'=>5, 'z'=>'equal' ); $c = array( 73=>'foo', 95=>'some'); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo '$c='.var_export($c,TRUE).";\n"; echo "Results:\n\n"; var_dump(array_diff($a,$b,$c)); var_dump(array_diff_assoc($a,$b,$c)); echo "-=-=-=-=-=-=-=-=- New functionality from 5.0.0 -=-=-=-=-=-=-=-\n"; error_reporting(E_ALL); class cr { private $priv_member; public $public_member; function __construct($val) { $this->priv_member = $val; $this->public_member = $val; } static function comp_func_cr($a, $b) { if ($a->priv_member === $b->priv_member) return 0; return ($a->priv_member > $b->priv_member)? 1:-1; } } function comp_func($a, $b) { if ($a === $b) return 0; return ($a > $b)? 1:-1; } function comp_func_cr($a, $b) { if ($a->public_member === $b->public_member) return 0; return ($a->public_member > $b->public_member)? 1:-1; } /* $a = array(1,"big"=>2,3,6,3,5,3,3,3,3,3,3,3,3,3,3); $b = array(2,2,3,3,3,3,3,3,3,3,3,3,3,3,3); $c = array(-1,1); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo '$c='.var_export($c,TRUE).";\n"; var_dump(array_diff($a,$b,$c)); var_dump(array_diff_assoc($a,$b,$c)); var_dump(array_udiff($a, $b, $c, "comp_func")); var_dump(array_diff_uassoc($a,$b,$c, "comp_func")); */ /* $a = array(new cr(9),new cr(12),new cr(23),new cr(4),new cr(-15),); $b = array(new cr(9),new cr(22),new cr( 3),new cr(4),new cr(-15),); var_dump(array_udiff($a, $b, "comp_func_cr")); */ $a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1=> new cr(4), 2 => new cr(-15),); $b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr( 3), 1=> new cr(4), 2 => new cr(-15),); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo 'var_dump(array_udiff_uassoc($a, $b, "comp_func_cr", "comp_func"));'."\n"; var_dump(array_udiff_uassoc($a, $b, "comp_func_cr", "comp_func")); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo 'var_dump(array_udiff_uassoc($a, $b, array("cr", "comp_func_cr"), "comp_func"));'."\n"; var_dump(array_udiff_uassoc($a, $b, array("cr", "comp_func_cr"), "comp_func")); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo 'var_dump(array_udiff($a, $b, "comp_func_cr"));'."\n"; var_dump(array_udiff($a, $b, "comp_func_cr")); echo '$a='.var_export($a,TRUE).";\n"; echo '$b='.var_export($b,TRUE).";\n"; echo 'var_dump(array_udiff_assoc($a, $b, "comp_func_cr"));'."\n"; var_dump(array_udiff_assoc($a, $b, "comp_func_cr")); ?> --EXPECTF-- $a=array ( 0 => 1, 'big' => 2, 1 => 3, 2 => 6, 3 => 3, 4 => 5, 5 => 3, 6 => 3, 7 => 3, 8 => 3, 9 => 3, 10 => 3, 11 => 3, 12 => 3, 13 => 3, 14 => 3, ); $b=array ( 0 => 2, 1 => 2, 2 => 3, 3 => 3, 4 => 3, 5 => 3, 6 => 3, 7 => 3, 8 => 3, 9 => 3, 10 => 3, 11 => 3, 12 => 3, 13 => 3, 14 => 3, ); $c=array ( 0 => -1, 1 => 1, ); array(2) { [2]=> int(6) [4]=> int(5) } array(5) { [0]=> int(1) ["big"]=> int(2) [1]=> int(3) [2]=> int(6) [4]=> int(5) } $a=array ( 'a' => 2, 'b' => 'some', 'c' => 'done', 'z' => 'foo', 'f' => 5, 'fan' => 'fen', 7 => 18, 9 => 25, 11 => 42, 12 => 42, 45 => 42, 73 => 'foo', 95 => 'some', 'som3' => 'some', 'want' => 'wanna', ); $b=array ( 'a' => 7, 7 => 18, 9 => 13, 11 => 42, 45 => 46, 'som3' => 'some', 'foo' => 'some', 'goo' => 'foo', 'f' => 5, 'z' => 'equal', ); $c=array ( 73 => 'foo', 95 => 'some', ); Results: array(5) { ["a"]=> int(2) ["c"]=> string(4) "done" ["fan"]=> string(3) "fen" [9]=> int(25) ["want"]=> string(5) "wanna" } array(9) { ["a"]=> int(2) ["b"]=> string(4) "some" ["c"]=> string(4) "done" ["z"]=> string(3) "foo" ["fan"]=> string(3) "fen" [9]=> int(25) [12]=> int(42) [45]=> int(42) ["want"]=> string(5) "wanna" } -=-=-=-=-=-=-=-=- New functionality from 5.0.0 -=-=-=-=-=-=-=- $a=array ( '0.1' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 12, 'public_member' => 12, )), 0 => \cr::__set_state(array( 'priv_member' => 23, 'public_member' => 23, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); $b=array ( '0.2' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 22, 'public_member' => 22, )), 0 => \cr::__set_state(array( 'priv_member' => 3, 'public_member' => 3, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); var_dump(array_udiff_uassoc($a, $b, "comp_func_cr", "comp_func")); array(3) { ["0.1"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(9) ["public_member"]=> int(9) } ["0.5"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(12) ["public_member"]=> int(12) } [0]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(23) ["public_member"]=> int(23) } } $a=array ( '0.1' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 12, 'public_member' => 12, )), 0 => \cr::__set_state(array( 'priv_member' => 23, 'public_member' => 23, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); $b=array ( '0.2' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 22, 'public_member' => 22, )), 0 => \cr::__set_state(array( 'priv_member' => 3, 'public_member' => 3, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); var_dump(array_udiff_uassoc($a, $b, array("cr", "comp_func_cr"), "comp_func")); array(3) { ["0.1"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(9) ["public_member"]=> int(9) } ["0.5"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(12) ["public_member"]=> int(12) } [0]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(23) ["public_member"]=> int(23) } } $a=array ( '0.1' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 12, 'public_member' => 12, )), 0 => \cr::__set_state(array( 'priv_member' => 23, 'public_member' => 23, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); $b=array ( '0.2' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 22, 'public_member' => 22, )), 0 => \cr::__set_state(array( 'priv_member' => 3, 'public_member' => 3, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); var_dump(array_udiff($a, $b, "comp_func_cr")); array(2) { ["0.5"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(12) ["public_member"]=> int(12) } [0]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(23) ["public_member"]=> int(23) } } $a=array ( '0.1' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 12, 'public_member' => 12, )), 0 => \cr::__set_state(array( 'priv_member' => 23, 'public_member' => 23, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); $b=array ( '0.2' => \cr::__set_state(array( 'priv_member' => 9, 'public_member' => 9, )), '0.5' => \cr::__set_state(array( 'priv_member' => 22, 'public_member' => 22, )), 0 => \cr::__set_state(array( 'priv_member' => 3, 'public_member' => 3, )), 1 => \cr::__set_state(array( 'priv_member' => 4, 'public_member' => 4, )), 2 => \cr::__set_state(array( 'priv_member' => -15, 'public_member' => -15, )), ); var_dump(array_udiff_assoc($a, $b, "comp_func_cr")); array(3) { ["0.1"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(9) ["public_member"]=> int(9) } ["0.5"]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(12) ["public_member"]=> int(12) } [0]=> object(cr)#%d (2) { ["priv_member":"cr":private]=> int(23) ["public_member"]=> int(23) } }