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PHP gmp_root() function

PHP language has developed a function called gmp_root() that delivers the integer value of the N-th root of a given parameter or number.

Syntax

The syntax shows the GMP function to get a root value of the base parameter.

<?php
gmp_root($base_value, $n_value);
?>

Parameters

The function takes two variables: a $base value and $n value. Both variables are essential for the gmp_root() function and its operation.
In PHP versions 5.6 and later, the parameter is a GMP object. We can also pass a numeric string as a GMP parameter. The string values convert data into a numeric value.
- $base_value: it is the GMP number whose integer part is returned as the n-th root.
- $n_value: it is the number's nth positive root. It is an integer value.

Return Value

This function gives us the integer value of the Nth root of $num as a positive GMP number.

Examples

Example1: The given example shows an "integer part of the last root value" of the given input values.

<!DOCTYPE html>
<html>
<body>
<h4> PHP gmp_root() Function </h4>
<p>The function shows the integer value of the "n-th" root of a GMP parameter or number.
 </p>
<?php
$value1 = gmp_root("5", "2");
$value2 = gmp_root("15", "9");
$value3 = gmp_root("52", "1");
$value4 = gmp_root("124", "3");
echo "The Integer part of the N'th root value: " .$value1;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value2;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value3;
echo "<br/>";
echo " The Integer part of the N'th root value:  " .$value4;
?>
</body>
</html>

Output:

The output image shows the integer part of the root value of the given data.

PHP gmp_root() function

Example2: the given example shows an "integer part of the last root value" of the given input values. Here, we can use a negative base value, but it does not work on the n-th value.

<!DOCTYPE html>
<html>
<body>
<h4> PHP gmp_root() Function </h4>
<?php
$value1 = gmp_root("-14", "1");
$value2 = gmp_root("-15", "9");
$value3 = gmp_root("14", "-1");
echo "The Integer part of the N'th root value: " .$value1;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value2;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value3;
?>
</body>
</html>

Output:

The output image shows the integer part of the root value of the given data.

PHP gmp_root() function

Example3: The given example shows an "integer part of the last root value" of the given variable values.

<!DOCTYPE html>
<html>
<body>
<h4> PHP gmp_root() Function </h4>
<?php
$var_val1  = "2";
$var_val2 = "5";
$var_val3 = "15";
$var_val4 = "60";
$var_val5 = "48";
$value1 = gmp_root($var_val4, $var_val1);
$value2 = gmp_root($var_val3, $var_val2);
$value3 = gmp_root($var_val4, $var_val2);
echo "The Integer part of the N'th root value: " .$value1;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value2;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value3;
?>
</body>
</html>

Output:

The output image shows the integer part of the root value of the given data.

PHP gmp_root() function

Example4: The given example shows an "integer part of the last root value" of the given GMP parameters.

<!DOCTYPE html>
<html>
<body>
<h4> PHP gmp_root() Function </h4>
<?php
$var_val1  = "5";
$var_val2 = "2";
$var_val3 = gmp_neg("-15");
$var_val4 = gmp_com("-60");
$var_val5 = gmp_init("1111");
$value1 = gmp_root($var_val4, $var_val1);
$value2 = gmp_root($var_val3, $var_val2);
$value3 = gmp_root($var_val5, $var_val1);
$value4 = gmp_root($var_val5, $var_val2);
echo "The Integer part of the N'th root value: " .$value1;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value2;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value3;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value4;
?>
</body>
</html>

Output:

The output image shows the integer part of the root value of the given data.

PHP gmp_root() function

Example5: the given example shows an "integer part of the last root value" of the given binary values.

<!DOCTYPE html>
<html>
<body>
<h4> PHP gmp_root() Function </h4>
<?php
$var_val1  = "5";
$var_val2 = "2";
$var_val3 = gmp_init("11111",2);
$var_val4 = gmp_init("111",2);
$var_val5 = gmp_init("1111",2);
$value1 = gmp_root($var_val4, $var_val1);
$value2 = gmp_root($var_val3, $var_val2);
$value3 = gmp_root($var_val5, $var_val1);
$value4 = gmp_root($var_val5, $var_val2);
echo "The Integer part of the N'th root value: " .$value1;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value2;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value3;
echo "<br/>";
echo " The Integer part of the N'th root value: " .$value4;
?>
</body>
</html>

Output:

The output image shows the integer part of the root value of the given data.

PHP gmp_root() function

Conclusion

The gmp_root() function removes lengthy coding part of the php languages and creates easy operation for the developer. It returns integer data and part of the n-th value of the given parameter.

Next TopicPHP gmp_rootrem() function

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