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Add two numbers as string in php

Add two numbers in php

<?php  
$x=15;  
$y=30;  
$z=$x+$y;  
echo "Sum: ",$z;  
?>

2

Add two numbers as string in php

$num = "3.14";
$int = (int)$num;
$float = (float)$num;

0

Source: stackoverflow.com

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