assignment operators in php

                            assignment operators in php     :      = , += , -= , *= , /= , .= , %=

<?php

$num1=10;

$num2=20;

echo ('<br>'. $num1." " .$num2);

?>


output :10 20




<?php

$num1=10;
$num2=20;
echo ('<br>'.$num2+=$num1);
?>


output :30 

<?php

$num1=10;
$num2=20;
echo ('<br>'.$num2-=$num1

);?>

output :10

<?php

$num1=10;
$num2=20;
echo ('<br>'.$num2*=$num1);
?>


output :200

<?php

$num1=10;
$num2=20;


echo ('<br>'.$num2/=$num1);?>

output :2



<?php

$num1=10;
$num2=20;
echo ('<br>'.$num2.=$num1);?>


output :2010




<?php

$num1=10;
$num2=20;
echo ('<br>'.$num2%=$num1);

?>

output :0