Online PHP editor | rfc for 8iNou

@ 2014-08-24T16:04:29Z

<?php
/**
 * test that filemtime() returns Unix timestamp (UTC) on current system
 */

$now = isset($_SERVER['REQUEST_TIME']) ? $_SERVER['REQUEST_TIME'] : time();

$timestampStartOfUnixEpoch = 0; // start of the Unix epoch.
$timestampRequest          = 3600 * (int)($now / 3600);

$tempDir  = function_exists('sys_get_temp_dir') ? sys_get_temp_dir() : '/tmp/';
$testFile = sprintf('%s/%s', $tempDir, 'test-filemtime');

printf("Testfile is '%s'.\n", $testFile);

touch($testFile, $timestampStartOfUnixEpoch);
php_clearstatcache(false, $testFile);
$mtime = filemtime($testFile);
printf("Testfile '%s' mtime should be from touch %d, is %d.\n", basename($testFile), $timestampStartOfUnixEpoch, $mtime);
printf("The mtime represents %s\n", date('r', $mtime));

touch($testFile, $timestampRequest);
php_clearstatcache(false, $testFile);
$mtime = filemtime($testFile);
printf("Testfile '%s' mtime should be from touch %d, is %d.\n", basename($testFile), $timestampRequest, $mtime);
printf("The mtime represents %s\n", date('r', $mtime));

unlink($testFile);

/**
 * @param $clear_realpath_cache
 * @param $filename
 * @link http://php.net/manual/en/function.version-compare.php
 */
function php_clearstatcache($clear_realpath_cache, $filename) {
    if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
        clearstatcache($clear_realpath_cache, $filename);
    } else {
        clearstatcache();
    }
}

Output for git.master_jit, git.master: Testfile is '/tmp/test-filemtime'. Testfile 'test-filemtime' mtime should be from touch 0, is 1408896269. The mtime represents Sun, 24 Aug 2014 18:04:29 +0200 Testfile 'test-filemtime' mtime should be from touch 1408896000, is 1408896269. The mtime represents Sun, 24 Aug 2014 18:04:29 +0200

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2020-03-21 RFC: Is_Literal - declined
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