Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$A1=10;
$A2=12.2;
$A3=TRUE;
$A4="ABC"
$A5=[1, 2, 3];
$A6=[1,2,3];
$A7=NULL;
echo gettype($A1);
echo gettype($A2);
echo gettype($A3);
echo gettype($A4);
echo gettype($A5);
echo gettype($A7);