get index php code example
Example 1: get index of element in array php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');
$key = array_search('green', $array);
$key = array_search('red', $array);
Example 2: get key of value array php
<?php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');
$key = array_search('green', $array);
$key = array_search('red', $array);
?>
Example 3: php array get value at index
$array = array('foo' => 'bar', 33 => 'bin', 'lorem' => 'ipsum');
$array = array_values($array);
echo $array[0];
echo $array[1];
echo $array[2];
Example 4: 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'));