Php filter array

Array filter use key

$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed  = ['foo', 'bar'];
$filtered = array_filter(
    $my_array,
    function ($key) use ($allowed) {
        return in_array($key, $allowed);
    },
    ARRAY_FILTER_USE_KEY
);

Source: stackoverflow.com

Php filter array

$numbers = [-2, 4, -6, 8, 10];

function isPositive($number)
{
  return $number > 0;
}

$filteredArray = array_filter($numbers, "isPositive");

Php array filter

<?php

$arr = ['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4];

var_dump(array_filter($arr, function($k) {
    return $k == 'b';
}, ARRAY_FILTER_USE_KEY));

var_dump(array_filter($arr, function($v, $k) {
    return $k == 'b' || $v == 4;
}, ARRAY_FILTER_USE_BOTH));
?>

Source: php.net

Php array_filter

$array = [1, 2, 3, 4, 5];

$filtered = array_filter($array, function($item) {
    return $item != 4; // Return (include) current item if expression is truthy
});

// $filtered = [1, 2, 3, 5]

Source: php.net

Array_filter php

$var = [
  'first' => 'one',
  'second' => null,
  'third' => 'three',
];


$filteredArray = array_filter($var);
// output: ['first'=>'one,'third'=>'three']

-2

Similar codes

0 vote345 views1 answer
How to update all row in laravel
PHP
0 vote324 views1 answer
SQLSTATE[22023]: Invalid parameter value:
PHP
2 votes339 views1 answer
Php discord webhook
PHP
0 vote376 views1 answer
Download data from s3 and save to local disk laravel
PHP Laravel
1 vote277 views1 answer
Wp query search
PHP
1 vote333 views1 answer
Include a page from another directory php
PHP
2 votes348 views3 answers
Php collection to array
PHP
0 vote336 views1 answer
Format a number with leading zeros in php
PHP
12 votes341 views4 answers
Php array remove empty values recursive
PHP
0 vote392 views1 answer
Yajra laravel datatables rawcolumn
PHP Laravel