Array_search

<?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

Similar codes

0 vote189 views1 answer
When WYSIWYG fields remove paragraph tag
PHP
0 vote221 views1 answer
Laravelstart project
PHP Laravel
16 votes174 views2 answers
Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.3.0". You are running 7.2.34
PHP
0 vote221 views1 answer
Update Query in Codeigniter Using Multiple Where Condition
PHP CodeIgniter
0 vote191 views1 answer
Check if constant is defined php
PHP
0 vote176 views1 answer
Throw 403 laravel
PHP
0 vote190 views1 answer
Wp functions ajax get
PHP
18 votes203 views6 answers
Laravel unique validation
PHP Laravel
0 vote206 views1 answer
Laravel env pgsql
PHP Laravel
0 vote246 views2 answers
Wordpress move debug.log
PHP Wordpress