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, 29 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)
8.3.60.0140.00416.75
8.3.50.0050.01021.15
8.3.40.0070.00718.95
8.3.30.0070.00719.08
8.3.20.0080.00020.16
8.3.10.0040.00422.09
8.3.00.0040.00422.51
8.2.180.0190.00316.88
8.2.170.0070.01122.96
8.2.160.0130.00619.46
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0090.00626.16
8.2.120.0080.00019.73
8.2.110.0090.00022.25
8.2.100.0120.00019.82
8.2.90.0040.00419.34
8.2.80.0060.00317.97
8.2.70.0000.00817.75
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0080.00018.41
8.2.30.0000.00818.25
8.2.20.0090.00018.07
8.2.10.0030.00518.13
8.2.00.0040.00418.13
8.1.280.0140.00325.92
8.1.270.0140.00022.37
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.00323.86
8.1.230.0120.00019.28
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00717.48
8.1.190.0080.00017.53
8.1.180.0000.00818.88
8.1.170.0000.00818.67
8.1.160.0030.00522.20
8.1.150.0000.00718.86
8.1.140.0000.00717.67
8.1.130.0040.00417.98
8.1.120.0050.00217.69
8.1.110.0060.00317.75
8.1.100.0040.00417.74
8.1.90.0000.00717.64
8.1.80.0040.00417.59
8.1.70.0030.00317.67
8.1.60.0030.00617.75
8.1.50.0040.00417.58
8.1.40.0040.00417.65
8.1.30.0080.00017.69
8.1.20.0000.00917.86
8.1.10.0060.00317.72
8.1.00.0060.00317.64
8.0.300.0050.00318.77
8.0.290.0000.00717.30
8.0.280.0070.00018.54
8.0.270.0070.00017.39
8.0.260.0030.00317.11
8.0.250.0000.00717.15
8.0.240.0040.00417.23
8.0.230.0040.00417.18
8.0.220.0040.00417.08
8.0.210.0000.00717.08
8.0.200.0000.00617.25
8.0.190.0000.00717.27
8.0.180.0050.00317.18
8.0.170.0030.00517.21
8.0.160.0000.00717.08
8.0.150.0040.00417.12
8.0.140.0030.00517.20
8.0.130.0000.00513.52
8.0.120.0000.00817.14
8.0.110.0000.00817.22
8.0.100.0020.00517.15
8.0.90.0070.00017.24
8.0.80.0060.00917.07
8.0.70.0000.00717.21
8.0.60.0070.00017.31
8.0.50.0000.00816.97
8.0.30.0110.00817.33
8.0.20.0120.00717.42
8.0.10.0080.00017.20
8.0.00.0120.00617.00
7.4.330.0020.00215.32
7.4.320.0060.00016.78
7.4.300.0030.00316.77
7.4.290.0070.00016.70
7.4.280.0030.00316.67
7.4.270.0030.00316.78
7.4.260.0000.00716.80
7.4.250.0030.00316.61
7.4.240.0070.00016.72
7.4.230.0030.00316.75
7.4.220.0110.01416.63
7.4.210.0090.00616.73
7.4.200.0040.00416.75
7.4.190.0000.00716.79
7.4.160.0110.01116.68
7.4.150.0070.01017.40
7.4.140.0080.01317.86
7.4.130.0090.00816.76
7.4.120.0060.01116.84
7.4.110.0030.01316.73
7.4.100.0040.01316.73
7.4.90.0100.01316.92
7.4.80.0150.00919.39
7.4.70.0170.00516.75
7.4.60.0130.00316.64
7.4.50.0060.00316.66
7.4.40.0070.00722.77
7.4.30.0030.01716.74
7.4.00.0030.01315.12
7.3.330.0020.00313.42
7.3.320.0000.00513.50
7.3.310.0030.00316.63
7.3.300.0070.00016.58
7.3.290.0070.00816.54
7.3.280.0070.00816.57
7.3.270.0030.01317.40
7.3.260.0150.00616.52
7.3.250.0120.00916.67
7.3.240.0070.01016.67
7.3.230.0100.00716.59
7.3.210.0090.00616.78
7.3.200.0030.01619.39
7.3.190.0100.00716.74
7.3.180.0040.01416.82
7.3.170.0140.01116.93
7.3.160.0070.01016.93
7.3.120.0100.00715.02
7.2.330.0090.00917.05
7.2.320.0060.01216.83
7.2.310.0070.01116.57
7.2.300.0140.00316.68
7.2.290.0120.00917.04
7.1.70.0000.00817.21
7.1.60.0100.01019.82
7.1.50.0150.00317.39
7.1.00.0030.07722.48
7.0.200.0000.01016.99
7.0.140.0130.06321.92
7.0.60.0000.07719.98
7.0.50.0100.07717.78
7.0.40.0100.03720.08
7.0.30.0230.08720.23
7.0.20.0330.07020.23
7.0.10.0030.07020.24
7.0.00.0100.05020.25
5.6.280.0070.06721.14
5.6.210.0070.07720.48
5.6.200.0070.05018.25
5.6.190.0070.06720.49
5.6.180.0400.04720.51
5.6.170.0270.08020.46
5.6.160.0070.05020.56
5.6.150.0070.08018.29
5.6.140.0130.05718.28
5.6.130.0070.07018.11
5.6.120.0100.07721.12
5.6.110.0070.07720.98
5.6.100.0230.05020.99
5.6.90.0070.08021.04
5.6.80.0130.05720.54
5.5.350.3970.03720.42
5.5.340.0130.07717.98
5.5.330.0130.06720.56
5.5.320.0000.07020.42
5.5.310.0130.04720.27
5.5.300.0000.04018.03
5.5.290.0070.08317.94
5.5.280.0200.07020.81
5.5.270.0070.05020.77
5.5.260.0130.08020.86
5.5.250.0030.04320.66
5.5.240.0100.08020.13
5.4.450.0430.06319.46
5.4.440.0370.04319.27
5.4.430.0470.07319.37
5.4.420.0570.03719.30
5.4.410.0470.05019.05
5.4.400.0570.04719.07
5.4.390.0470.04019.06
5.4.380.0530.04719.23
5.4.370.0470.03718.85
5.4.360.0530.04319.10
5.4.350.0500.06719.09
5.4.340.0400.05319.14
5.4.320.0500.06719.19
5.4.310.0430.06719.20
5.4.300.0500.05019.22
5.4.290.0400.06319.08
5.4.280.0530.03719.24
5.4.270.0530.06719.04
5.4.260.0430.03719.32
5.4.250.0500.07319.21
5.4.240.0530.04719.30
5.4.230.0500.04018.83
5.4.220.0570.07019.16
5.4.210.0600.05019.07
5.4.200.0530.03718.98
5.4.190.0500.05019.19
5.4.180.0630.03319.25
5.4.170.0500.04018.88
5.4.160.0430.04318.84
5.4.150.0430.03719.23
5.4.140.0470.03316.44
5.4.130.0430.04016.43
5.4.120.0630.03716.39
5.4.110.0530.06316.32
5.4.100.0570.05016.50
5.4.90.0600.06016.58
5.4.80.0500.06016.59
5.4.70.0530.05716.59
5.4.60.0570.05316.43
5.4.50.0500.04716.53
5.4.40.0600.06016.43
5.4.30.0430.04716.37
5.4.20.0570.04316.16
5.4.10.0570.04016.24
5.4.00.0400.04015.73
5.3.290.0370.04014.61
5.3.280.0430.04714.59
5.3.270.0470.04314.73
5.3.260.0600.06314.61
5.3.250.0570.05714.53
5.3.240.0400.04314.73
5.3.230.0530.04314.57
5.3.220.0600.06714.79
5.3.210.0430.05014.49
5.3.200.0470.06014.47
5.3.190.0500.04014.48
5.3.180.0500.06714.48
5.3.170.0500.04314.48
5.3.160.0570.06014.57
5.3.150.0570.06014.79
5.3.140.0570.06314.79
5.3.130.0570.05714.52
5.3.120.0500.04314.71
5.3.110.0530.07014.48
5.3.100.0430.03314.20
5.3.90.0430.04313.95
5.3.80.0430.03314.11
5.3.70.0370.03714.04
5.3.60.0430.03314.01
5.3.50.0330.03713.87
5.3.40.0330.03713.87
5.3.30.0370.03013.94
5.3.20.0330.04713.68
5.3.10.0370.03013.56
5.3.00.0500.05313.57
5.2.170.0370.02011.20
5.2.160.0270.03011.05
5.2.150.0300.03711.13
5.2.140.0330.02311.13
5.2.130.0400.05311.09
5.2.120.0230.03311.23
5.2.110.0300.03311.02
5.2.100.0270.03011.27
5.2.90.0370.05011.27
5.2.80.0230.03311.20
5.2.70.0330.02711.08
5.2.60.0300.02711.17
5.2.50.0370.05711.14
5.2.40.0270.03011.00
5.2.30.0230.02710.88
5.2.20.0200.04011.04
5.2.10.0170.03310.84
5.2.00.0230.02710.73
5.1.60.0270.02710.23
5.1.50.0230.02310.08
5.1.40.0200.0279.91
5.1.30.0200.03010.31
5.1.20.0230.02710.41
5.1.10.0200.03010.20
5.1.00.0200.03710.05
5.0.50.0100.0208.64
5.0.40.0100.0208.29
5.0.30.0130.0308.24
5.0.20.0100.0208.30
5.0.10.0100.0208.26
5.0.00.0070.0378.32
4.4.90.0170.0107.87
4.4.80.0100.0207.87
4.4.70.0130.0137.87
4.4.60.0100.0237.87
4.4.50.0130.0137.87
4.4.40.0100.0237.87
4.4.30.0100.0177.87
4.4.20.0130.0137.87
4.4.10.0100.0177.87
4.4.00.0100.0237.87
4.3.110.0100.0177.87
4.3.100.0100.0207.87
4.3.90.0100.0177.87
4.3.80.0070.0277.87
4.3.70.0170.0107.87
4.3.60.0100.0137.87
4.3.50.0100.0177.87
4.3.40.0130.0237.87
4.3.30.0030.0177.87
4.3.20.0030.0177.87
4.3.10.0030.0177.87
4.3.00.0070.0137.87

preferences:
52.83 ms | 400 KiB | 5 Q