Online PHP editor | rfc for XgtZu

@ 2013-07-29T11:12:17Z

<?php
$array = [
    [1, 'xxx', 'yyy'],
    [2, 'xxx', 'yyy'],
    [3, 'xxx', 'yyy'],
    [4, 'xxx', 'yyy'],
    [5, 'xxx', 'yyy'],
    [6, 'xxx', 'yyy'],
    [7, 'xxx', 'yyy'],
    [8, 'xxx', 'yyy'],
    [9, 'xxx', 'yyy'],
    [10, 'xxx', 'yyy'],
    [11, 'xxx', 'yyy'],
    [12, 'xxx', 'yyy'],
    [13, 'xxx', 'yyy'],
    [14, 'xxx', 'yyy'],
    [15, 'xxx', 'yyy'],
    [16, 'xxx', 'yyy'],
    [17, 'xxx', 'yyy'],
    [18, 'xxx', 'yyy'],
    [19, 'xxx', 'yyy'],
    [1, 'xxx', 'yyy'],
    [2, 'xxx', 'yyy'],
    [3, 'xxx', 'yyy'],
    [4, 'xxx', 'yyy'],
    [5, 'xxx', 'yyy'],
    [6, 'xxx', 'yyy'],
    [7, 'xxx', 'yyy'],
    [8, 'xxx', 'yyy'],
    [9, 'xxx', 'yyy'],
    [10, 'xxx', 'yyy'],
    [11, 'xxx', 'yyy'],
    [12, 'xxx', 'yyy'],
    [13, 'xxx', 'yyy'],
    [14, 'xxx', 'yyy'],
    [15, 'xxx', 'yyy'],
    [16, 'xxx', 'yyy'],
    [17, 'xxx', 'yyy'],
    [18, 'xxx', 'yyy'],
    [19, 'xxx', 'yyy']
];

$t = microtime(true);

$result = array_map(function($v){ return $v[0]; }, $array);

echo number_format(microtime(true) - $t, 3), PHP_EOL;

$t = microtime(true);

$result = array();

foreach($array as $v)$result[] = $v[0];

echo number_format(microtime(true) - $t, 3), PHP_EOL;
?>

Output for git.master, git.master_jit: 0.000 0.000

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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