PHP string Calculator

Simple calculator that parse strings and perform addition

Tools used

• VS code
• Dillinger

Features

• arithmetic addition
• string parsing
• test cases

Files

• calculator.php
• tests.php

Usage

• run php calculator.php add {String containing symbols and numbers}
• run php tests.php run to run all test cases
  • Note: negative numbers throws exception
  • Note: numbers over 1000 are ignored
  • Note: the string format should be one of the following (use single quotes)
  • 1,2,5 comma separated numbers
  • 1\n,2,3 comma separated with \n after a number
  • 1,\n2,4 comma separated with \n before a number
  • //[delimiter]\n[delimiter separated numbers] general format
    • //;\n1;3;4 example with one delimiter
    • //@\n2@3@8 example with one delimiter
    • //***\n1***2***3example with one delimiter with arbitary length
    • //$,@\n1$2@3 example with multiple delimiters
    • '//**,$$$$\n1***2$$$$4$$$$2$$$$6' example with multiple delimiters and arbitary length