/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

36 votes170 views3 answers
Php current date get
PHP
0 vote179 views1 answer
How to set application key in lumen
PHP
2 votes236 views1 answer
Laravel 8 delete by id
PHP Laravel
0 vote206 views1 answer
Livewire from one component to another
PHP
1 vote169 views2 answers
Add filter in wordpress
PHP
0 vote176 views1 answer
Php apply function to array elements
PHP
0 vote167 views1 answer
Laravel collection partition
PHP
0 vote169 views1 answer
T variable error meaning in php
PHP
1 vote195 views1 answer
How to add dummy records using factory in laravel 8
PHP Laravel
1 vote188 views1 answer
Get advanced custom field value in wordpress
PHP Wordpress

Share