/PHP/Php global variable function

Php global variable function

Php global variable function

<?php
  $myVariable = "a";
  function changeVar($newVar) {
    global $myVariable
    $myVariable = "b";
  }
  echo $myVariable; // Should echo b
?>

3

How make a variable global php

$a = 1;
$b = 2;
function Sum(){
    global $a, $b; // allows access to vars outside of function
    $b = $a + $b;
} 

Sum();
echo $b; // output is 3

2

Similar codes

17 votes144 views3 answers
Merge array in php
PHP
0 vote136 views1 answer
Download html table to excel
PHP
0 vote169 views1 answer
Select max id laravel
PHP Laravel
0 vote158 views1 answer
Php loop through array of objects
PHP
1 vote154 views2 answers
Transform unix timestamp in date
PHP
0 vote166 views1 answer
Rawbetween in laravel
PHP Laravel
0 vote163 views1 answer
Check if constant is defined php
PHP
0 vote272 views1 answer
Custom timestamp column laravel
PHP Laravel
0 vote192 views1 answer
Create a button add in laravel
PHP Laravel
3 votes158 views2 answers
What is the use of migration file in laravel
PHP

Share