collection laravel filter
$collection = collect([1, 2, 3, 4]);
$filtered = $collection->filter(function ($value, $key) {
return $value > 2;
});
$filtered->all();
// [3, 4]collection laravel filter
$collection = collect([1, 2, 3, 4]);
$filtered = $collection->filter(function ($value, $key) {
return $value > 2;
});
$filtered->all();
// [3, 4]collection map laravel
// The array we're going to return
$data = [];
// Query the users table
$query = users::where('id', 1)->get();
// Let's Map the results from [$query]
$map = $query->map(
function($items){
$data['user_firstName'] = $items->firstName;
$data['user_lastName'] = $items->lastName;
return $data;
}
);
return $map;laravel reduce
$collection = collect([1, 2, 3]);
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
});
// 6
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
}, 4);
// 10 | where 4 is a initial valuelaravel collection map
$collection = collect([1, 2, 3, 4, 5]);
$multiplied = $collection->map(function ($item, $key) {
return $item * 2;
});
$multiplied->all();
// [2, 4, 6, 8, 10]laravel collection mapWithKeys
$collection = collect([
[
'name' => 'John',
'department' => 'Sales',
'email' => '[email protected]'
],
[
'name' => 'Jane',
'department' => 'Marketing',
'email' => '[email protected]'
]
]);
$keyed = $collection->mapWithKeys(function ($item) {
return [$item['email'] => $item['name']];
});
$keyed->all();
/*
[
'[email protected]' => 'John',
'[email protected]' => 'Jane',
]
*/eloquent map collection
// The array we're going to return$data = [];// Query the users table$query = users::where('id', 1)->get();// Let's Map the results from [$query]$map = $query->map(function($items){ $data['user_firstName'] = $items->firstName; $data['user_lastName] = $items->lastName; return $data;});return $map;Copyright © 2021 Codeinu
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