Answers for "php return first element of array"

get first key of array php

$firstKey = array_key_first($array);

php array get first x elements

$sliced_array = array_slice($array, 0, 5)

first item in array php

$firstItem = array_shift($array);

php get first digit of number

// in case the number is a string
$s = '123';
$a = $s[0];  
echo $a; // 1

// in case the number is an integer

// Possibility 1
$k = 123;
$s = $k.''; // or: $s = (string)$k;
$a = $s[0];  
echo $a; // 1
 
// Possibility 2
$k = 123;
$a = floor($k/100);
echo $a; // 1
 
// Possibility 3
$k = 123;
$a = substr($k, 0, 1); 
echo $a; // 1