3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * test that filemtime() returns Unix timestamp (UTC) on current system * * @link */ $nowHour = isset($_SERVER['REQUEST_TIME']) ? $_SERVER['REQUEST_TIME'] : time(); $hostname = php_uname('n'); $formatRfc = 'D, d M Y H:i:s O'; $timestampStartOfUnixEpoch = 0; // start of the Unix epoch. $timestampRequest = 3600 * (int)($nowHour / 3600); $tempDir = function_exists('sys_get_temp_dir') ? sys_get_temp_dir() : '/tmp'; $testFile = sprintf('%s/%s', $tempDir, 'test-filemtime'); if ($hostname !== 'php_shell') { printf("PHP version is %s and OS is %s\n", PHP_VERSION, PHP_OS); } 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, $mtime); printf("The mtime represents %s\n", date($formatRfc, $mtime)); touch($testFile, $timestampRequest); php_clearstatcache(false, $testFile); $mtime = filemtime($testFile); printf("Testfile '%s' mtime should be from touch %d, is %d.\n", basename($testFile), $timestampRequest, $mtime); printf("The mtime represents %s\n", date($formatRfc, $mtime)); unlink($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(); } }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.60.0040.00816.75
7.2.00.0040.01219.58
7.1.200.0070.00715.77
7.1.100.0000.01118.07
7.1.70.0040.00417.29
7.1.60.0070.01719.40
7.1.50.0070.01017.20
7.1.00.0100.06722.40
7.0.200.0000.01116.98
7.0.140.0070.07322.15
7.0.80.0100.08319.92
7.0.70.0400.07019.94
7.0.60.0530.04320.00
7.0.50.0070.05320.34
7.0.40.0000.08320.10
7.0.30.0030.08320.13
7.0.20.0030.06720.20
7.0.10.0130.08020.14
7.0.00.0170.07020.09
5.6.280.0000.07721.09
5.6.230.0070.05720.70
5.6.220.0030.05720.68
5.6.210.0130.07020.66
5.6.200.0070.05720.97
5.6.190.0170.08021.03
5.6.180.0130.07020.96
5.6.170.0100.05321.00
5.6.160.0070.08021.06
5.6.150.0030.08321.03
5.6.140.0070.07721.04
5.6.130.0170.07021.05
5.6.120.0100.07021.12
5.6.110.0170.07721.05
5.6.100.0170.05321.07
5.6.90.0130.08020.95
5.6.80.0170.05320.45
5.6.70.0000.07720.53
5.6.60.0030.08720.49
5.6.50.0070.09320.41
5.6.40.0130.06320.48
5.6.30.0100.07720.51
5.6.20.0130.05720.44
5.6.10.0070.08320.38
5.6.00.0070.06320.43
5.5.370.0000.07020.36
5.5.360.0070.08320.42
5.5.350.0070.05720.41
5.5.340.0070.05020.78
5.5.330.0070.08020.94
5.5.320.0070.08720.75
5.5.310.0170.07020.93
5.5.300.0070.08020.89
5.5.290.0170.04720.93
5.5.280.0130.07320.87
5.5.270.0070.06320.87
5.5.260.0030.05720.78
5.5.250.0070.08720.70
5.5.240.0070.08320.13
5.5.230.0100.07720.17
5.5.220.0030.08020.12
5.5.210.0070.08720.30
5.5.200.0170.06720.25
5.5.190.0070.05720.25
5.5.180.0070.03720.14
5.5.160.0100.08320.22
5.5.150.0030.05720.12
5.5.140.0000.04320.19
5.5.130.0130.07720.19
5.5.120.0100.07020.27
5.5.110.0070.08020.27
5.5.100.0200.06720.17
5.5.90.0130.06720.18
5.5.80.0070.08020.18
5.5.70.0030.04020.18
5.5.60.0100.03320.11
5.5.50.0030.04020.07
5.5.40.0100.05020.05
5.5.30.0100.06020.15
5.5.20.0070.04020.04
5.5.10.0070.04720.06
5.5.00.0000.05320.05
5.4.450.0070.06319.23
5.4.440.0070.08019.41
5.4.430.0070.09019.41
5.4.420.0130.07019.20
5.4.410.0230.06319.43
5.4.400.0070.06019.04
5.4.390.0100.04719.11
5.4.380.0030.06719.23
5.4.370.0130.06719.03
5.4.360.0170.07018.90
5.4.350.0030.04018.95
5.4.340.0070.07018.95
5.4.320.0130.07319.22
5.4.310.0100.06018.84
5.4.300.0030.04019.05
5.4.290.0030.04019.13
5.4.280.0100.07319.02
5.4.270.0030.07719.04
5.4.260.0100.07019.09
5.4.250.0130.07019.13
5.4.240.0100.05718.89
5.4.230.0000.04319.17
5.4.220.0070.04319.12
5.4.210.0130.04319.02
5.4.200.0030.06019.02
5.4.190.0030.04019.17
5.4.180.0070.04019.16
5.4.170.0030.04319.22
5.4.160.0030.03719.21
5.4.150.0100.03319.19
5.4.140.0100.03316.34
5.4.130.0070.04016.34
5.4.120.0030.04016.33
5.4.110.0100.03316.43
5.4.100.0030.03716.31
5.4.90.0070.03316.34
5.4.80.0100.06016.45
5.4.70.0030.03716.31
5.4.60.0000.04316.33
5.4.50.0030.03716.48
5.4.40.0030.03716.37
5.4.30.0100.04016.47
5.4.20.0000.04016.33
5.4.10.0100.04016.41
5.4.00.0000.03315.79
5.3.290.0070.09014.74
5.3.280.0000.05014.59
5.3.270.0030.04014.59
5.3.260.0130.03314.59
5.3.250.0000.04314.67
5.3.240.0070.04314.73
5.3.230.0100.06014.54
5.3.220.0070.05314.63
5.3.210.0100.06014.51
5.3.200.0070.03714.55
5.3.190.0000.04014.63
5.3.180.0030.05014.51
5.3.170.0100.03314.50
5.3.160.0000.04314.53
5.3.150.0070.06714.50
5.3.140.0130.03314.52
5.3.130.0030.03714.62
5.3.120.0000.04014.59
5.3.110.0000.03714.63
5.3.100.0030.03714.11
5.3.90.0000.05314.18
5.3.80.0030.03714.04
5.3.70.0030.05014.04
5.3.60.0030.03714.01
5.3.50.0030.03713.95
5.3.40.0030.03714.06
5.3.30.0000.03714.06
5.3.20.0030.03313.64
5.3.10.0030.03313.80
5.3.00.0070.03713.77
5.2.170.0030.02711.22
5.2.160.0070.02311.16
5.2.150.0030.02311.26
5.2.140.0030.02311.17
5.2.130.0000.03011.22
5.2.120.0030.02711.03
5.2.110.0030.02711.04
5.2.100.0000.03011.25
5.2.90.0000.03011.20
5.2.80.0000.03011.11
5.2.70.0030.04011.11
5.2.60.0000.03011.13
5.2.50.0100.02311.05
5.2.40.0070.03311.03
5.2.30.0030.02711.04
5.2.20.0030.02711.02
5.2.10.0030.03010.77
5.2.00.0030.02310.78
5.1.60.0000.02710.01
5.1.50.0000.0239.89
5.1.40.0030.0239.85
5.1.30.0030.02310.41
5.1.20.0000.02710.27
5.1.10.0000.03010.08
5.1.00.0070.03310.07
5.0.50.0000.0408.45
5.0.40.0030.0438.42
5.0.30.0070.0608.28
5.0.20.0000.0438.25
5.0.10.0030.0478.25
5.0.00.0100.0638.18
4.4.90.0100.0137.08
4.4.80.0000.0177.08
4.4.70.0000.0277.08
4.4.60.0000.0207.08
4.4.50.0000.0207.08
4.4.40.0000.0207.08
4.4.30.0000.0137.08
4.4.20.0030.0137.08
4.4.10.0000.0337.08
4.4.00.0070.0407.08
4.3.110.0030.0377.08
4.3.100.0070.0277.08
4.3.90.0000.0337.08
4.3.80.0000.0607.08
4.3.70.0030.0277.08
4.3.60.0100.0237.08
4.3.50.0030.0337.08
4.3.40.0070.0377.08
4.3.30.0030.0337.08
4.3.20.0030.0337.08
4.3.10.0030.0277.08
4.3.00.0000.0277.08

preferences:
41.81 ms | 400 KiB | 5 Q