Online PHP editor | perf for nSuLH

<?php declare(strict_types=1); /** * Write a function that accepts an array of strings and return another array * with strings in the input array set as keys. * * @param string[] $arrOfStrings An array of strings. * @return array Another array with strings in the input array set as keys. */ function foo(array $arrOfStrings): array { return array_fill_keys(array_filter($arrOfStrings, 'is_string'), null); } /** * Now write another function that accepts the output of the previous function, * as first argument and another string as second argument. In this function, * assume that you have some reason to iterate over the the input array using * foreach, key => value format. In every iteration, in addition to other stuff, * you also have to check if the key is equal to the input string (the second * parameter of this function), and if they match do some stuff.... * * @param array $outputFromFoo The output from {@link foo()}. */ function bar(array $outputFromFoo, string $str) { foreach ($outputFromFoo as $key => $value) { // other stuff print "$key\n"; if (string $key === $str) { echo "Found $str!"; } } } $result = foo(array('ab', 'cd', '10')); bar($result, '10');

Version	System time (s)	User time (s)	Memory (MiB)
7.0.2	0.020	0.057	20.23
7.0.1	0.007	0.063	20.19
7.0.0	0.003	0.043	20.07
5.6.17	0.027	0.050	20.71
5.6.16	0.007	0.043	20.50
5.6.15	0.013	0.070	18.19
5.6.14	0.007	0.083	18.25
5.6.13	0.010	0.037	18.27
5.6.12	0.010	0.080	21.02
5.6.11	0.013	0.080	20.89
5.6.10	0.000	0.043	21.12
5.6.9	0.007	0.083	20.97
5.6.8	0.003	0.073	20.41
5.5.31	0.023	0.080	20.28
5.5.30	0.000	0.057	17.96
5.5.29	0.010	0.083	17.98
5.5.28	0.023	0.073	20.65
5.5.27	0.010	0.073	20.88
5.5.26	0.000	0.087	20.77
5.5.25	0.003	0.040	20.61
5.5.24	0.027	0.073	20.16