3v4l.org

run code in 300+ PHP versions simultaneously
<?php function validateDateA($date, $format = 'Y-m-d') { $dt = DateTime::createFromFormat($format, $date); return $dt && $dt->format($format) == $date; } function validateDateB($date, $format = 'Y-m-d') { DateTime::createFromFormat($format, $date); $a = DateTime::getLastErrors(); return !$a['warning_count'] && !$a['error_count']; } var_dump(validateDateA('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateA('Mon, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Fri, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Xxx, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateB('Aaa, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false

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)
8.3.60.0130.00618.56
8.3.50.0130.00521.14
8.3.40.0150.00619.08
8.3.30.0070.01019.17
8.3.20.0080.00020.20
8.3.10.0080.00022.09
8.3.00.0080.00022.39
8.2.180.0100.01716.75
8.2.170.0070.01122.96
8.2.160.0000.01419.29
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00919.61
8.2.110.0060.00320.70
8.2.100.0080.00418.09
8.2.90.0040.00419.46
8.2.80.0050.00318.00
8.2.70.0000.00817.87
8.2.60.0030.00618.05
8.2.50.0030.00518.07
8.2.40.0080.00018.28
8.2.30.0050.00318.26
8.2.20.0040.00418.09
8.2.10.0060.00318.16
8.2.00.0040.00417.97
8.1.280.0040.01125.92
8.1.270.0060.00322.17
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0040.00723.82
8.1.230.0040.00722.23
8.1.220.0030.00517.91
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0050.00317.66
8.1.180.0050.00318.88
8.1.170.0000.00818.83
8.1.160.0040.00422.20
8.1.150.0040.00418.89
8.1.140.0040.00417.71
8.1.130.0000.00717.95
8.1.120.0070.00017.68
8.1.110.0080.00017.71
8.1.100.0050.00217.66
8.1.90.0030.00317.65
8.1.80.0000.00817.71
8.1.70.0030.00317.61
8.1.60.0050.00317.65
8.1.50.0060.00317.59
8.1.40.0040.00417.65
8.1.30.0040.00417.65
8.1.20.0000.00817.84
8.1.10.0040.00417.69
8.1.00.0000.00817.69
8.0.300.0090.00018.77
8.0.290.0060.00317.13
8.0.280.0030.00318.54
8.0.270.0040.00417.43
8.0.260.0070.00018.62
8.0.250.0030.00317.27
8.0.240.0000.00717.27
8.0.230.0030.00317.22
8.0.220.0000.00717.24
8.0.210.0030.00317.18
8.0.200.0060.00317.14
8.0.190.0050.00317.16
8.0.180.0040.00417.07
8.0.170.0030.00617.13
8.0.160.0000.00817.13
8.0.150.0030.00417.09
8.0.140.0030.00317.16
8.0.130.0000.00513.55
8.0.120.0050.00317.26
8.0.110.0080.00017.09
8.0.100.0040.00417.02
8.0.90.0040.00417.16
8.0.80.0060.01217.15
8.0.70.0070.00017.04
8.0.60.0050.00317.12
8.0.50.0030.00517.07
8.0.30.0050.01417.24
8.0.20.0080.01017.40
8.0.10.0000.00817.30
8.0.00.0140.00617.08
7.4.330.0000.00515.00
7.4.320.0000.00816.76
7.4.300.0060.00016.73
7.4.290.0040.00416.73
7.4.280.0040.00416.79
7.4.270.0000.00916.70
7.4.260.0030.00316.57
7.4.250.0050.00316.78
7.4.240.0020.00516.68
7.4.230.0030.00316.79
7.4.220.0090.00916.81
7.4.210.0050.00916.82
7.4.200.0070.00016.88
7.4.190.0000.00716.87
7.4.160.0130.00316.63
7.4.150.0000.01817.40
7.4.140.0110.00717.86
7.4.130.0080.01016.68
7.4.120.0080.00916.84
7.4.110.0110.00716.79
7.4.100.0030.01416.82
7.4.90.0120.00616.53
7.4.80.0140.00819.39
7.4.70.0070.01016.58
7.4.60.0160.00716.79
7.4.50.0040.00416.78
7.4.40.0030.01022.77
7.4.30.0060.00916.87
7.4.00.0090.00915.29
7.3.330.0020.00213.34
7.3.320.0050.00013.63
7.3.310.0040.00416.45
7.3.300.0060.00016.43
7.3.290.0060.01016.54
7.3.280.0070.01116.54
7.3.270.0070.01017.40
7.3.260.0130.00416.73
7.3.250.0130.00816.62
7.3.240.0150.00416.49
7.3.230.0120.00816.52
7.3.210.0040.01516.65
7.3.200.0100.01119.39
7.3.190.0060.01516.69
7.3.180.0100.00716.70
7.3.170.0060.00916.61
7.3.160.0170.00016.50
7.3.120.0040.01415.21
7.3.110.0030.01314.98
7.3.100.0140.00314.81
7.3.90.0120.00315.12
7.3.80.0040.01014.82
7.3.70.0100.00615.08
7.3.60.0030.00715.14
7.3.50.0030.01014.70
7.3.40.0030.00714.99
7.3.30.0110.00415.00
7.3.20.0030.01316.94
7.3.10.0090.00416.79
7.3.00.0030.01016.68
7.2.330.0040.01617.05
7.2.320.0070.01316.72
7.2.310.0110.00716.68
7.2.300.0100.00716.77
7.2.290.0030.01316.63
7.2.250.0070.01015.56
7.2.240.0030.01615.51
7.2.230.0000.01415.18
7.2.220.0110.00715.06
7.2.210.0040.00815.36
7.2.200.0100.00015.11
7.2.190.0060.00615.03
7.2.180.0120.00315.18
7.2.170.0030.00615.09
7.2.00.0000.00919.58
7.1.330.0000.01516.07
7.1.320.0040.01115.92
7.1.310.0110.00415.93
7.1.300.0040.00816.04
7.1.290.0070.00716.09
7.1.280.0000.00815.84
7.1.270.0030.01016.11
7.1.260.0030.01015.87
7.1.100.0070.00718.33
7.1.70.0030.00617.36
7.1.60.0070.01719.82
7.1.50.0000.01817.37
7.1.00.0030.03322.36
7.0.200.0030.00617.00
7.0.140.0030.07022.00
7.0.60.0070.06020.07
7.0.50.0070.07317.87
7.0.40.0070.08020.21
7.0.30.0130.04720.26
7.0.20.0300.04020.24
7.0.10.0270.06020.25
7.0.00.0100.04720.14
5.6.280.0000.07720.82
5.6.210.0000.05320.77
5.6.200.0070.08318.15
5.6.190.0100.06320.57
5.6.180.3570.04020.52
5.6.170.0300.04720.54
5.6.160.0130.04720.57
5.6.150.0070.04718.21
5.6.140.0170.05718.18
5.6.130.0100.07318.18
5.6.120.0030.05320.98
5.6.110.0100.08321.02
5.6.100.0230.05721.00
5.6.90.0170.07320.98
5.6.80.0030.04020.41
5.6.70.0270.07020.52
5.5.350.0200.04020.42
5.5.340.0030.07018.00
5.5.330.0070.04020.40
5.5.320.0300.07720.35
5.5.310.0230.03720.28
5.5.300.0030.08318.07
5.5.290.0070.03718.07
5.5.280.0030.04720.99
5.5.270.0100.07320.68
5.5.260.0030.04020.77
5.5.250.0270.04720.62
5.5.240.0130.06320.16
5.4.450.0300.06019.65
5.4.440.0800.05719.46
5.4.430.0900.05319.35
5.4.420.0470.05019.33
5.4.410.0800.05719.06
5.4.400.1330.06318.90
5.4.390.1570.06018.73
5.4.380.0270.06018.81
5.4.370.0100.05318.47
5.4.360.0170.05018.80
5.4.350.0200.05018.54
5.4.340.0270.04018.64
5.4.320.0110.04412.50
5.4.310.0070.04012.51
5.4.300.0090.03512.51
5.4.290.0090.04112.50
5.4.280.0050.04012.40
5.4.270.0080.04312.41
5.4.260.0070.06018.82
5.4.250.0270.06318.74
5.4.240.0200.07018.75
5.4.230.0070.05318.65
5.4.220.0170.04318.95
5.4.210.0200.06718.94
5.4.200.0170.06318.79
5.4.190.0130.05318.84
5.4.180.0070.06018.86
5.4.170.0070.06319.01
5.4.160.0130.05018.98
5.4.150.0170.06718.82
5.4.140.0100.07016.36
5.4.130.0100.04716.64
5.4.120.0070.07316.43
5.4.110.0200.05016.54
5.4.100.0100.05716.70
5.4.90.0070.07316.54
5.4.80.0100.05016.61
5.4.70.0070.05016.53
5.4.60.0100.04716.61
5.4.50.0130.04316.50
5.4.40.0070.05316.50
5.4.30.0130.05716.62
5.4.20.0070.05716.49
5.4.10.0230.05316.62
5.4.00.0130.06015.83
5.3.290.0080.04412.80
5.3.280.0130.05714.62
5.3.270.0100.06014.70
5.3.260.0200.06014.69
5.3.250.0130.05014.63
5.3.240.0070.06714.83
5.3.230.0070.05714.83
5.3.220.0130.04714.66
5.3.210.0030.07714.59
5.3.200.0130.05014.75
5.3.190.0100.04714.48
5.3.180.0030.05314.49
5.3.170.0030.05714.74
5.3.160.0100.05014.71
5.3.150.0070.05014.64
5.3.140.0200.04714.70
5.3.130.0230.05714.69
5.3.120.0100.05714.73
5.3.110.0170.04714.53
5.3.100.0170.05014.04
5.3.90.0130.05014.03
5.3.80.0070.05014.02
5.3.70.0100.05014.11
5.3.60.0070.07013.83
5.3.50.0100.05714.03
5.3.40.0100.05313.94
5.3.30.0070.06014.08
5.3.20.0100.05013.53
5.3.10.0170.05713.64
5.3.00.0100.04713.55
5.2.170.0070.06011.14
5.2.160.0100.05711.23
5.2.150.0100.04011.24
5.2.140.0070.04011.05
5.2.130.0030.05310.93
5.2.120.0130.05311.06
5.2.110.0070.04010.93
5.2.100.0130.05311.19
5.2.90.0100.04311.19
5.2.80.0130.05311.09
5.2.70.0030.04311.18
5.2.60.0030.04311.28
5.2.50.0100.03711.25
5.2.40.0070.03711.08
5.2.30.0100.05311.14
5.2.20.0030.04310.95
5.2.10.0070.04011.05
5.2.00.0070.05310.91
5.1.60.0070.03310.17
5.1.50.0000.04710.17
5.1.40.0070.04310.17
5.1.30.0100.03010.56
5.1.20.0100.03310.45
5.1.10.0000.04310.17
5.1.00.0170.04310.23
5.0.50.0030.04010.17
5.0.40.0030.03010.17
5.0.30.0130.05010.17
5.0.20.0070.03310.17
5.0.10.0070.02710.17
5.0.00.0030.04010.17
4.4.90.0030.02010.17
4.4.80.0030.02710.17
4.4.70.0070.02310.17
4.4.60.0070.02010.17
4.4.50.0000.02310.17
4.4.40.0070.04010.17
4.4.30.0030.03010.17
4.4.20.0000.02310.17
4.4.10.0000.03310.17
4.4.00.0030.03310.17
4.3.110.0030.02310.17
4.3.100.0070.02710.17
4.3.90.0030.02010.17
4.3.80.0000.04010.17
4.3.70.0030.02010.17
4.3.60.0000.02310.17
4.3.50.0000.02710.17
4.3.40.0030.03010.17
4.3.30.0070.01710.17
4.3.20.0030.02710.17
4.3.10.0030.02010.17
4.3.00.0070.0236.81

preferences:
39.07 ms | 401 KiB | 5 Q