how to get the index of a item in php array code example

Example 1: array_search in 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;
?>

Example 2: array_search

// array demo

public $gender = array(
  1 => 'Male',
  2 => 'Female',
  3 => 'Other',
);

$gen = 1;

if ($gen == array_search('Male', $this->gender)) {
  $gender = __d('member', 'male');

} elseif ($gen  == array_search('Female', $this->gender)) {
  $gender = __d('member', 'female');

}