Php get array key like

Php find key in array

<?php
$search_array = array('first' => 1, 'second' => 4);
if (array_key_exists('first', $search_array)) {
    echo "The 'first' element is in the array";
}
?>

Php get array key like

//your array
    $arr1 = array (
           "y" => 35,
           "x" => 51,
           "z" => 35,
           "c_3" => 4,
           "c_1" => 54,
           "c_6" => 53,
           "c_9" => 52
    );
// Array with keys you want
    $arr2 =  array (
           "c_3" => '',
           "c_1" => '',
           "c_6" => '',
           "c_9" => ''
    );
//use array_intersect_key to find the common  ;)
    print_r(array_intersect_key($arr1,$arr2));

Source: stackoverflow.com

Similar codes

20 votes206 views4 answers
Laravel where is null
PHP Laravel
0 vote196 views1 answer
Php date with out 0
PHP
0 vote200 views1 answer
Indian time laravel
PHP
0 vote237 views1 answer
Laravel collection intersectKey
PHP
1 vote196 views1 answer
The requested PHP extension curl is missing from your system.
PHP
8 votes197 views3 answers
What is route namespace in laravel
PHP
1 vote179 views1 answer
Pagination prestashop 1.7
PHP
0 vote160 views1 answer
Not have permision elgg settings.php
PHP
0 vote199 views1 answer
Mysql php update sum same table
PHP
0 vote210 views4 answers
Laravel collection contains
PHP Laravel