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

0 vote160 views1 answer
Get last name user
PHP
1 vote238 views2 answers
Wp include image inside theme folder
PHP
0 vote197 views1 answer
Php count occurrences of string in array
PHP
20 votes185 views3 answers
Php check if file exists
PHP
0 vote161 views1 answer
Wordpress get user profile picture
PHP
0 vote151 views1 answer
String between two strings
PHP
0 vote173 views1 answer
Execcommand insert video
PHP
0 vote163 views1 answer
Twig is in string
PHP
1 vote141 views1 answer
Created_at default value laravel
PHP
1 vote192 views2 answers
How to remove duplicate values from a multidimensional array in php
PHP