3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*Variables: (1)Php has 8 types of variables which include: - Boolean (true/false) - integers - floating integers - strings - arrays - objects - resources - null (2)variables must start with $ sign (3)Variable names can contain a combination of strings, numbers and underscores (4)The first character in the name of a variable must be either a letter or underscore (5)Php variable names are case sensitive (6)Variables can be assigned with equal signs and printed without quotation marks Eg, print $some_variable; , or echo $some_variable; (7)Variables can also be printed with double quotations but cannot with single quotes echo 'Defining a variable:' ,*/ $variable_name = 'this is a string representation of a variable'; echo $variable_name; echo 'this is a integer representation of a variable'; $variable_name = 30; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fO7ek
function name:  (null)
number of ops:  5
compiled vars:  !0 = $variable_name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   ASSIGN                                                   !0, 'this+is+a+string+representation+of+a+variable'
   21     1        ECHO                                                     !0
   22     2        ECHO                                                     'this+is+a+integer+representation+of+a+variable'
   23     3        ASSIGN                                                   !0, 30
   25     4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0

preferences:
158.19 ms | 1392 KiB | 13 Q