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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
CREATE TABLE A (
DATA VARCHAR(10) NOT NULL
);
INSERT INTO A (
DATA
) VALUES ('a');
INSERT INTO A (
DATA
) VALUES ('b');
SELECT * FROM A;
<?php
use Carbon\Carbon;
$query = "SELECT DATA FROM A;";
// get DB version using PDO
$stmt = $pdo->prepare($query);
$stmt->execute();
$row = $stmt->fetch(PDO::FETCH_ASSOC);
extract($row);
$a = [['id'=> 1], ['id'=> 2]];
$b = [['id'=> 4], ['id'=> 3]];
print_r(array_uintersect($a, $b, function ($v1, $v2) {
if (is_object($v1) && is_object($v2)) {
$v1 = (array)$v1;
$v2 = (array)$v2;
}
if (is_array($v1) && is_array($v2)) {
$keys1 = array_keys($v1);
foreach ($keys1 as $key) {
if (!key_exists($key, $v2) || $v2[$key] > $v1[$key]) return -1; // array has different key
if ($v2[$key] === $v1[$key]) continue;
return 1; // array has same key but unidentical value
}
return 0; // array is same
}
if (gettype($v1) == gettype($v2)) {
return $v1 <=> $v2; // spaceship operator compare
}
}));