Online PHP editor | rfc for J78dk

@ 2024-01-17T07:51:42Z

<?php

function merger($array1, $array2) {
    $result = array_merge($array1, $array2);
}

function spreader($array1, $array2) {
    $result = [...$array1, ...$array2];
}

function uniter($array1, $array2) {
    $result = $array1 + $array2;
}

$array1 = [];
$key = 'a';
for ($i = 0; $i < 500; ++$i) {
    $array1[++$key] = $i;
}
$array2 = [];
for ($i = 500; $i < 1000; ++$i) {
    $array2[++$key] = $i;
}

$runs = 1000;
// array_merge in loop
$t0 = microtime(true);
for ($i = 0; $i < $runs; ++$i) {
	merger($array1, $array2);
}
$tMerge = microtime(true);
echo "merge: " . ($tMerge - $t0) . PHP_EOL;

// array_merge with spread operator
$t1 = microtime(true);
for ($i = 0; $i < $runs; ++$i) {
	spreader($array1, $array2);
}
$tSpread = microtime(true);
echo "spread: " . ($tSpread - $t1) . PHP_EOL;

// union operator
$t2 = microtime(true);
for ($i = 0; $i < $runs; ++$i) {
	uniter($array1, $array2);
}
$tUnion = microtime(true);
echo "union: " . ($tUnion - $t2);

Output for git.master_jit: merge: 0.0055010318756104 spread: 0.0087630748748779 union: 0.0061309337615967
Output for git.master: merge: 0.0046710968017578 spread: 0.0088348388671875 union: 0.0048420429229736
Output for rfc.property-hooks: merge: 0.0045599937438965 spread: 0.0087859630584717 union: 0.0050909519195557

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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