Online PHP editor | rfc for vGXX1

@ 2016-09-21T12:47:28Z

<?php
function hasChanged($array1, $array2) {
    return (
        !empty(array_diff_assoc($array1, $array2)) ||
        !empty(array_diff_assoc($array2, $array1))
    );
}

echo "Set 1\n";
$array1 = array("a" => "green", "b" => "brown", "c" => "blue");
$array2 = array("a" => "green", "b" => "brown2", "c" => "blue2");
$result = array_diff_assoc($array1, $array2);
print_r($result);
$result = array_diff_assoc($array2, $array1);
print_r($result);
var_dump(hasChanged($array1, $array2));

echo "Set 2\n";
$array3 = array("a" => "green", "b" => "brown", "c" => "blue");
$array4 = array("a" => "green", "b" => "brown", "c" => "blue", "e" => "bluee");
$result2 = array_diff_assoc($array3, $array4);
print_r($result2);
$result2 = array_diff_assoc($array4, $array3);
print_r($result2);
var_dump(hasChanged($array3, $array4));

echo "Set 3\n";
$array5 = array("a" => "green", "b" => "brown", "c" => "blue");
$array6 = array("a" => "green", "b" => "brown", "c" => "blue");
$result3 = array_diff_assoc($array5, $array6);
print_r($result3);
$result3 = array_diff_assoc($array6, $array5);
print_r($result3);
var_dump(hasChanged($array5, $array6));

Output for git.master, git.master_jit, rfc.property-hooks: Set 1 Array ( [b] => brown [c] => blue ) Array ( [b] => brown2 [c] => blue2 ) bool(true) Set 2 Array ( ) Array ( [e] => bluee ) bool(true) Set 3 Array ( ) Array ( ) bool(false)

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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