<?php
$array = [
[ 'a' => 1, 'b' => 2, 'c' => 3],
[ 'a' => 4, 'b' => 5, 'c' => 6],
[ 'a' => 7, 'b' => 8, 'c' => 9]
];
$column = array_column($array, 'a');
foreach ($array as &$val) {
unset($val['a']);
}
echo "Array output (by 'for'):\n";
for ($i = 0; $i < 3; ++$i) {
echo implode(', ', $array[$i]) . "\n";
}
echo "Array output (by 'foreach'):\n";
foreach ($array as $val) {
echo implode(', ', $val) . "\n";
}
echo "Array output (by $i):\n";
for ($i = 0; $i < 3; ++$i) {
echo implode(', ', $array[$i]) . "\n";
}
preferences:
45.77 ms | 402 KiB | 5 Q