/PHP/Globals in php

Globals in php

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

Php globals

$GLOBALS["foo"]

0

Source: php.net

Similar codes

0 vote162 views1 answer
Entrust laravel
PHP
3 votes169 views5 answers
Class 'App\Http\Controllers\Validator' not found
PHP
2 votes182 views2 answers
Laravel migration remove unique
PHP
102 votes314 views6 answers
Push element in array php
PHP
0 vote184 views1 answer
Php foreach ($_post as $key = $value)
PHP
2 votes214 views1 answer
Php curl timeout
PHP
3 votes183 views3 answers
PHP time limit (max_execution_time):
PHP
4 votes185 views2 answers
Define in php
PHP
15 votes177 views4 answers
Convert timestamp to date php
PHP
0 vote187 views1 answer
How to read data from serial port in php
PHP

Share