install php 7.4
sudo apt install php7.4-common php7.4-cli php7.4-bcmath php7.4-bz2 php7.4-curl php7.4-gd php7.4-intl php7.4-json php7.4-mbstring php7.4-readline php7.4-xml php7.4-zip php7.4-fpminstall php 7.4
sudo apt install php7.4-common php7.4-cli php7.4-bcmath php7.4-bz2 php7.4-curl php7.4-gd php7.4-intl php7.4-json php7.4-mbstring php7.4-readline php7.4-xml php7.4-zip php7.4-fpmphp 7
<?php
function arraysSum(array ...$arrays): array
{
return array_map(function(array $array): int {
return array_sum($array);
}, $arrays);
}
print_r(arraysSum([1,2,3], [4,5,6], [7,8,9]));php version 7.4
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /app/spread-operator.php on line 3php version 7.4
array(5) {
[0]=>
string(6) "banana"
[1]=>
string(6) "orange"
[2]=>
string(5) "apple"
[3]=>
string(4) "pear"
[4]=>
string(10) "watermelon"
}php version 7.4
function test(...$args) { var_dump($args); }
test(1, 2, 3);php version 7.4
$arr = [...$args];Copyright © 2021 Codeinu
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