Php pointer function

Pointers php

$b=2;
$a=$b;
$a=3;
print $a;
print $b;
// output is 32

$b=2;
$a=&$b; // note the & operator
$a=3;
print $a;
print $b;
// output is 33

Source: stackoverflow.com

Php pointer function

function plus_by_reference( &$param ) {
      // what ever you do, will affect the actual parameter outside the function
      $param++;
}

$a=2;
plus_by_reference( $a );
echo $a;
// output is 3

Source: stackoverflow.com

Similar codes

0 vote175 views1 answer
What is scalar data type in php
PHP
0 vote155 views1 answer
Laravel components scripts
PHP
1 vote203 views2 answers
Php example
PHP
1 vote152 views1 answer
Laravel not finding asset files in public directory
PHP
0 vote169 views1 answer
Laravel find or fail exception
PHP
4 votes203 views2 answers
Laravel 5 use env variable in blade
PHP
2 votes210 views1 answer
Laravel get list of columns in a table
PHP
0 vote199 views1 answer
Store image to s3 laravel
PHP Laravel
0 vote154 views1 answer
Add class to row laravel
PHP
1 vote184 views1 answer
Clear cache using laravel controller
PHP Laravel