3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $daysInMonth = array(0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); $timestampFailing = false; for ($year = 1500; $year < 2000; $year++) { for ($month = 1; $month <= 12; $month++) { for ($day = 1; $day < $daysInMonth[$month]; $day++) { $baseString = sprintf("%4d-%02d-%02d 00:00:00", $year, $month, $day); $timestamp = strtotime($baseString); if (!$timestamp) { $timestampFailing = true; echo "Timestamp failing start at $baseString\n"; continue; } if ($timestampFailing && $timestamp) { $timestampFailing = false; echo "Timestamp failinng end at $baseString\n"; } $roundTrip = date("Y-m-d H:i:s", $timestamp); if ($baseString !== $roundTrip) { echo "$baseString ($timestamp) $roundTrip\n"; } } } }

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)
5.4.250.0050.03812.37
5.4.240.0050.03812.37
5.4.230.0060.03712.37
5.4.220.0040.03812.36
5.4.210.0040.03812.36
5.4.200.0060.03812.36
5.4.190.0070.03512.36
5.4.180.0070.03512.36
5.4.170.0050.03612.37
5.4.160.0060.03612.36
5.4.150.0060.03512.36
5.4.140.0040.03812.04
5.4.130.0060.03512.03
5.4.120.0050.03611.99
5.4.110.0080.03411.99
5.4.100.0050.03711.99
5.4.90.0070.03711.99
5.4.80.0050.03811.99
5.4.70.0060.03611.98
5.4.60.0080.03511.98
5.4.50.0040.03711.98
5.4.40.0050.03511.97
5.4.30.0050.03611.97
5.4.20.0050.03611.96
5.4.10.0070.03411.97
5.4.00.0070.03511.46
5.3.280.0070.03912.71
5.3.270.0050.04112.72
5.3.260.0060.03912.72
5.3.250.0060.03812.72
5.3.240.0080.04112.72
5.3.230.0050.05012.71
5.3.220.0100.04612.68
5.3.210.0070.04212.68
5.3.200.0070.03612.68
5.3.190.0060.03612.68
5.3.180.0060.03612.67
5.3.170.0070.03812.67
5.3.160.0050.04112.67
5.3.150.0070.03812.68
5.3.140.0040.03812.66
5.3.130.0060.04012.66
5.3.120.0080.03912.66
5.3.110.0060.04012.66
5.3.100.0070.03912.12
5.3.90.0060.03512.08
5.3.80.0040.03812.08
5.3.70.0070.03612.08
5.3.60.0050.03812.06
5.3.50.0060.03812.00
5.3.40.0050.03612.00
5.3.30.0060.03411.95
5.3.20.0080.03711.72
5.3.10.0050.03911.67
5.3.00.0080.03411.66

preferences:
148.21 ms | 1386 KiB | 7 Q