php check array exists code example
Example 1: php array index exists
$fruits = ['apple', 'pear', 'banana'];
if (array_key_exists("banana", $fruits)) {
}
$exists = array_key_exists("peach", $fruits);
return array_key_exists("pineapple", $fruits);
Example 2: php array has value
$myArr = [38, 18, 10, 7, "15"];
echo in_array(10, $myArr);
echo in_array(19, $myArr);
echo in_array("18", $myArr);
echo in_array("18", $myArr, true);
Example 3: php array index exists
<?php
$array1=array("Orange" => 100, "Apple" => 200, "Banana" => 300, "Cherry" => 400);
if (array_key_exists("Banana",$array1))
{
echo "Array Key exists...";
}
else
{
echo "Array Key does not exist...";
}
?>