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PHP Exercises : Compare the PHP version

PHP : Exercise-23 with Solution

Write a PHP script to compare the PHP version.

Note : Use version_compare() function and PHP_VERSION constant.

Sample Solution: -

PHP Code:


<?php
if (version_compare(PHP_VERSION, '6.0.0') >= 0) {
echo 'I am at least PHP version 6.0.0, my version: ' . PHP_VERSION . "\n";
}
if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
echo 'I am at least PHP version 5.3.0, my version: ' . PHP_VERSION . "\n";
}

if (version_compare(PHP_VERSION, '5.0.0', '>=')) {
echo 'I am using PHP 5, my version: ' . PHP_VERSION . "\n";
}

if (version_compare(PHP_VERSION, '5.0.0', '<')) {
echo 'I am using PHP 4, my version: ' . PHP_VERSION . "\n";
}
?>

Sample Output: 

I am at least PHP version 6.0.0, my version: 7.0.15-0ubuntu0.16.04.4
I am at least PHP version 5.3.0, my version: 7.0.15-0ubuntu0.16.04.4
I am using PHP 5, my version: 7.0.15-0ubuntu0.16.04.4

Flowchart:

Flowchart: Compare the PHP version

PHP Code Editor:

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PHP: Tips of the Day

Returns all elements in an array except for the first one

Example:

<?php
function tips_tail($items)
{
  return count($items) > 1 ? array_slice($items, 1) : $items;
}

print_r(tips_tail([1, 5, 7]));
?>

Output:

Array
(
    [0] => 5
    [1] => 7
)