kuredev · November 18, 2017 15:08 · kuredev · Nov 18, 2017
diff --git a/ref.php b/ref.php
 <?php

 function test1($n){
    $n++;
 }

 function test2(&$n){
    $n++;
 }

 $num = 0;
 test1($num);
 echo $num.PHP_EOL;
 test2($num);
 echo $num.PHP_EOL;
	<?php

	function test1($n){
	$n++;
	}

	function test2(&$n){
	$n++;
	}

	$num = 0;
	test1($num);
	echo $num.PHP_EOL;
	test2($num);
	echo $num.PHP_EOL;
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