PHP incrementVariable Examples

Example #1

File: print-function-trick.php Project: weusder/php-certification-studies

<?php

function incrementVariable()
{
    static $nb = 0;
    $nb++;
    return $nb;
}
echo incrementVariable();
incrementVariable();
echo PHP_EOL;

Example #2

File: reference-function-and-parameter.php Project: joelgarciajr84/php-certification-studies

<?php

function &incrementVariable(&$value)
{
    $value = $value + 2;
    return $value;
}
$var = 0;
$ref = incrementVariable($var);
$ref++;
echo $var . PHP_EOL;