/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

0 vote154 views1 answer
Lity in Wordpress
PHP
12 votes125 views6 answers
Php array push key value
PHP
1 vote159 views1 answer
Laravel get extension from url
PHP
0 vote168 views1 answer
Laravel custom validation check if valid url
PHP Laravel
2 votes162 views2 answers
Laravel migration remove unique constraint
PHP
6 votes164 views3 answers
Laravel 8 with jetstream
PHP
4 votes160 views4 answers
Laravel sum relationship column
PHP Laravel
2 votes167 views1 answer
Laravel check if session variable exists
PHP Laravel
0 vote169 views1 answer
Laravel route match
PHP
8 votes154 views3 answers
Laravel log query for model
PHP Laravel

Share