Online PHP editor | rfc for JLoHG

@ 2022-03-06T11:38:30Z

<?php

$first = [
    'A' => 'B',
    'c' => 'd',
    'E' => 'f',
    'G' => 'I',
    'k' => 'F',
    'm' => 'n',
    'o' => 'p',
];

$second = [
    'a' => 'b',
    'A' => 'b',
    'C' => 'd',
    'c' => 'D',
    'e' => 'F',
    'G' => 'H',
    'i' => 'B',
    'J' => 'D',
    'm' => 'N',
    'M' => 'n',
    'O' => 'r',
];

echo "array_diff()\n";
var_export(array_diff($first, $second)); // case-sensitive value
echo "\n---\narray_diff_key()\n";
var_export(array_diff_key($first, $second)); // case-sensitive key
echo "\n---\narray_diff_ukey()\n";
var_export(array_diff_ukey($first, $second, 'strcasecmp')); // case-insensitive key
echo "\n---\narray_diff_assoc()\n";
var_export(array_diff_assoc($first, $second)); // case-sensitive key, case-sensitive value
echo "\n---\narray_diff_uassoc()\n";
var_export(array_diff_uassoc($first, $second, 'strcasecmp')); // first-occurring, case-insensitive key, case-sensitive value
echo "\n---\narray_udiff()\n";
var_export(array_udiff($first, $second, 'strcasecmp')); // case-insensitive, value-only
echo "\n---\narray_udiff_assoc()\n";
var_export(array_udiff_assoc($first, $second, 'strcasecmp'));  // case-sensitive key, case-insensitive value
echo "\n---\narray_udiff_uassoc()\n";
var_export(array_udiff_uassoc($first, $second, 'strcasecmp', 'strcasecmp'));  // case-insensitive key, case-insensitive value

Output for git.master, git.master_jit, rfc.property-hooks: array_diff() array ( 'E' => 'f', 'G' => 'I', 'o' => 'p', ) --- array_diff_key() array ( 'E' => 'f', 'k' => 'F', 'o' => 'p', ) --- array_diff_ukey() array ( 'k' => 'F', ) --- array_diff_assoc() array ( 'A' => 'B', 'c' => 'd', 'E' => 'f', 'G' => 'I', 'k' => 'F', 'm' => 'n', 'o' => 'p', ) --- array_diff_uassoc() array ( 'A' => 'B', 'E' => 'f', 'G' => 'I', 'k' => 'F', 'm' => 'n', 'o' => 'p', ) --- array_udiff() array ( 'G' => 'I', 'o' => 'p', ) --- array_udiff_assoc() array ( 'E' => 'f', 'G' => 'I', 'k' => 'F', 'o' => 'p', ) --- array_udiff_uassoc() array ( 'G' => 'I', 'k' => 'F', 'o' => 'p', )

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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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