Online PHP editor | output for mPtVh

@ 2017-05-13T22:31:47Z

<?php

    define("EVENT_YEAR",2000);

    function getInterval( $strDate ){
        list( $year,,) = explode( '-', $strDate );
        return ($year - EVENT_YEAR); 
    }

    $strDate = '2017-05-05';

    $interval = getInterval( $strDate );
    try {
       $date = new DateTime( "$strDate -$interval years" );
    } catch (Exception $e) {
       echo $e->getMessage();
       exit(1);
    }
    if ( $date->format("Y-m-d") == '2000-05-05') {
        echo "\nThe interval is $interval years.";
    }

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: The interval is 17 years.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 The interval is 17 years.

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