Get key of value array php

<?php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');

$key = array_search('green', $array); // $key = 2;
$key = array_search('red', $array);   // $key = 1;
?>

Source: php.net

Get key of array element php

$people = array(
  2 => array(
    'name' => 'John',
    'fav_color' => 'green'
  ),
  5=> array(
    'name' => 'Samuel',
    'fav_color' => 'blue'
  ));
$found_key = array_search('blue', array_column($people, 'fav_color'));

Similar codes

2 votes139 views1 answer
Laravel scheduler every 2 hours
PHP Laravel
14 votes187 views6 answers
Redirect back laravel
PHP Laravel
2 votes153 views4 answers
How to create controller inside folder in laravel
PHP Laravel
1 vote127 views1 answer
Php get all txt files in directory
PHP
0 vote148 views1 answer
How to add script in WordPress admin page
PHP Wordpress
3 votes141 views3 answers
Php string replace regex
PHP
96 votes198 views6 answers
Strpos in php
PHP
15 votes129 views4 answers
Remove space from start and end of string in php
PHP
0 vote137 views1 answer
Laravel route not calling function of controller
PHP
0 vote129 views1 answer
- tijsverkoyen/css-to-inline-styles 2.2.3 requires ext-dom * -> the requested PHP extension dom is missing from your system.
PHP