w3resource

PHP Exercises: Get the size of a file

PHP: Exercise-39 with Solution

Write a PHP program to get the size of a file.

Sample Solution: -

PHP Code:

<?php
$myfile = fopen("/home/students/ppp.txt", "w") or die("Unable to open file!");
$txt = "PHP Exercises\n";
fwrite($myfile, $txt);
$txt = "from\n";
fwrite($myfile, $txt);
$txt = "w3resource\n";
fwrite($myfile, $txt);
fclose($myfile);
echo "Size of the file: ".filesize("/home/students/ppp.txt")."\n";
?>

Sample Output: 

Size of the file: 30

Flowchart:

Flowchart: Get the size of a file.

PHP Code Editor:

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Next: Write a PHP program to calculate the mod of two given integers without using any inbuilt modulus operator.

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PHP: Tips of the Day

PHP: Anonymous recursive PHP functions

In order for it to work, you need to pass $factorial as a reference

$factorial = function( $n ) use ( &$factorial ) {
    if( $n == 1 ) return 1;
    return $factorial( $n - 1 ) * $n;
};
print $factorial( 5 );

Ref : https://bit.ly/38dj7jm