3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = new DateTime('2014-08-21 15:38:16'); $a = new DateTime('-1 hour'); if($b < $a) { echo 'expired'; } echo $b->format('c') . PHP_EOL; echo $a->format('c');

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)
8.3.60.0140.00016.60
8.3.50.0160.00722.84
8.3.40.0000.01518.78
8.3.30.0070.00719.09
8.3.20.0000.00820.33
8.3.10.0030.00523.65
8.3.00.0080.00017.75
8.2.180.0070.00718.63
8.2.170.0100.00322.96
8.2.160.0130.00320.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0000.00820.83
8.2.110.0040.00422.33
8.2.100.0120.00019.46
8.2.90.0030.00619.22
8.2.80.0000.00817.97
8.2.70.0050.00317.62
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00718.22
8.2.30.0070.00018.10
8.2.20.0050.00217.84
8.2.10.0030.00518.17
8.2.00.0040.00417.91
8.1.280.0130.00325.92
8.1.270.0040.00423.93
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.97
8.1.230.0100.00718.89
8.1.220.0060.00317.91
8.1.210.0040.00418.77
8.1.200.0030.00617.50
8.1.190.0080.00017.35
8.1.180.0030.00618.10
8.1.170.0030.00618.78
8.1.160.0000.00822.02
8.1.150.0080.00018.96
8.1.140.0040.00417.70
8.1.130.0000.00718.00
8.1.120.0040.00417.57
8.1.110.0040.00417.70
8.1.100.0070.00017.61
8.1.90.0000.00717.70
8.1.80.0000.00717.66
8.1.70.0030.00317.65
8.1.60.0060.00317.77
8.1.50.0050.00317.71
8.1.40.0040.00417.59
8.1.30.0080.00017.67
8.1.20.0100.00017.86
8.1.10.0050.00217.64
8.1.00.0000.00817.76
8.0.300.0040.00418.77
8.0.290.0000.00817.00
8.0.280.0000.00818.45
8.0.270.0000.00717.36
8.0.260.0000.00617.39
8.0.250.0000.00617.18
8.0.240.0040.00417.11
8.0.230.0030.00317.07
8.0.220.0030.00317.20
8.0.210.0070.00017.06
8.0.200.0070.00017.20
8.0.190.0000.00717.21
8.0.180.0060.00317.21
8.0.170.0060.00317.19
8.0.160.0030.00317.13
8.0.150.0050.00216.99
8.0.140.0030.00817.08
8.0.130.0060.00013.44
8.0.120.0070.00017.04
8.0.110.0030.00517.11
8.0.100.0040.00417.00
8.0.90.0000.00717.12
8.0.80.0040.01517.14
8.0.70.0060.00317.01
8.0.60.0040.00416.98
8.0.50.0070.00017.02
8.0.30.0110.00917.30
8.0.20.0110.00717.45
8.0.10.0050.00217.13
8.0.00.0150.00216.96
7.4.330.0030.00315.00
7.4.320.0030.00316.79
7.4.300.0040.00416.71
7.4.290.0050.00216.76
7.4.280.0000.00716.74
7.4.270.0040.00416.84
7.4.260.0040.00416.83
7.4.250.0000.00816.65
7.4.240.0070.00016.68
7.4.230.0030.00616.54
7.4.220.0190.00716.68
7.4.210.0070.00716.74
7.4.200.0030.00316.59
7.4.160.0000.01516.77
7.4.150.0160.00317.40
7.4.140.0160.00517.86
7.4.130.0100.01416.82
7.4.120.0080.01216.79
7.4.110.0090.00916.70
7.4.100.0140.00316.77
7.4.90.0040.01216.50
7.4.80.0100.01019.39
7.4.70.0070.01016.54
7.4.60.0070.01516.77
7.4.50.0050.00316.79
7.4.40.0130.00316.85
7.4.30.0080.00816.77
7.4.00.0060.01215.23
7.3.330.0000.00613.41
7.3.320.0050.00013.36
7.3.310.0000.00716.53
7.3.300.0070.00016.51
7.3.290.0030.01016.42
7.3.280.0070.00916.48
7.3.270.0120.00617.40
7.3.260.0000.01816.61
7.3.240.0110.00716.75
7.3.230.0110.00716.82
7.3.210.0090.00916.68
7.3.200.0080.00819.39
7.3.190.0090.00916.57
7.3.180.0130.00316.73
7.3.170.0090.00916.67
7.3.160.0040.01216.72
7.3.10.0040.01216.56
7.3.00.0100.01416.65
7.2.330.0070.01716.89
7.2.320.0170.00716.61
7.2.310.0070.01016.84
7.2.300.0150.00616.67
7.2.290.0100.00716.64
7.2.130.0130.00417.14
7.2.120.0140.00816.79
7.2.110.0070.00916.96
7.2.100.0060.00617.23
7.2.90.0160.00716.83
7.2.80.0090.01016.73
7.2.70.0080.00417.30
7.2.60.0180.00617.02
7.2.50.0160.01617.10
7.2.40.0030.01116.95
7.2.30.0180.00716.88
7.2.20.0080.00416.78
7.2.10.0160.00717.15
7.2.00.0060.00818.39
7.1.250.0070.01116.02
7.1.200.0080.00015.89
7.1.100.0000.01318.04
7.1.70.0050.00317.14
7.1.60.0190.00619.40
7.1.50.0070.01017.23
7.1.00.0030.07722.30
7.0.200.0000.00716.95
7.0.140.0000.07722.21
7.0.60.0070.06320.03
7.0.50.0130.04717.89
7.0.40.0170.07720.38
7.0.30.0170.07720.01
7.0.20.0330.05320.01
7.0.10.0070.04720.09
7.0.00.0130.08020.30
5.6.280.0000.07721.07
5.6.210.0070.03720.47
5.6.200.0100.08018.17
5.6.190.0030.04720.41
5.6.180.0230.06020.39
5.6.170.0200.08320.38
5.6.160.0130.06320.32
5.6.150.0030.04718.12
5.6.140.0030.05718.15
5.6.130.0130.07718.11
5.6.120.0100.08021.07
5.6.110.0130.03720.99
5.6.100.0100.04020.97
5.6.90.0000.09321.01
5.6.80.0070.08320.40
5.5.350.3200.03320.49
5.5.340.0070.07718.02
5.5.330.0100.04720.57
5.5.320.0430.07720.31
5.5.310.0300.06720.28
5.5.300.0000.08717.91
5.5.290.0070.08017.89
5.5.280.0030.04720.76
5.5.270.0070.07720.83
5.5.260.0100.03320.86
5.5.250.0030.04020.71
5.5.240.0070.04020.35
5.4.450.0570.03319.42
5.4.440.0470.03719.43
5.4.430.0570.04319.13
5.4.420.0400.03719.38
5.4.410.0130.04319.28
5.4.400.0230.04019.11
5.4.390.0200.04019.08
5.4.380.0270.05718.46
5.4.370.0370.06018.59
5.4.360.0330.05318.68
5.4.350.0430.05718.72
5.4.340.0300.05718.52
5.4.320.0080.04112.46
5.4.310.0100.04212.45
5.4.300.0080.03412.45
5.4.290.0030.04012.45
5.4.280.0080.03412.35
5.4.270.0070.03412.35
5.4.260.0070.03612.35
5.4.250.0040.04512.35
5.4.240.0070.03512.35
5.4.230.0050.03812.34
5.4.220.0050.03512.34
5.4.210.0060.03412.34
5.4.200.0090.04212.34
5.4.190.0030.03812.34
5.4.180.0030.03712.34
5.4.170.0060.03812.35
5.4.160.0060.04612.34
5.4.150.0050.03612.34
5.4.140.0030.04212.02
5.4.130.0080.03412.02
5.4.120.0050.03511.97
5.4.110.0040.04211.96
5.4.100.0110.03411.97
5.4.90.0050.04211.96
5.4.80.0070.03411.97
5.4.70.0020.03811.96
5.4.60.0080.03111.96
5.4.50.0060.03811.96
5.4.40.0080.03811.95
5.4.30.0050.03411.95
5.4.20.0080.03311.95
5.4.10.0070.03711.95
5.4.00.0080.03211.44
5.3.290.0060.03912.80
5.3.280.0100.03412.71
5.3.270.0100.03912.72
5.3.260.0100.03912.72
5.3.250.0100.03612.72
5.3.240.0080.03712.71
5.3.230.0030.04012.71
5.3.220.0070.03512.68
5.3.210.0060.03812.68
5.3.200.0040.04312.68
5.3.190.0080.03812.68
5.3.180.0070.03712.67
5.3.170.0060.03512.67
5.3.160.0060.04112.68
5.3.150.0060.04112.67
5.3.140.0030.03912.66
5.3.130.0090.04012.66
5.3.120.0080.03912.65
5.3.110.0080.04312.66
5.3.100.0100.03512.12
5.3.90.0050.03612.09
5.3.80.0080.03412.07
5.3.70.0050.03712.08
5.3.60.0050.03812.07
5.3.50.0060.03612.00
5.3.40.0050.03812.00
5.3.30.0040.03611.95
5.3.20.0050.03511.72
5.3.10.0050.03411.69
5.3.00.0060.04711.68
5.2.170.0080.0329.18
5.2.160.0030.0299.18
5.2.150.0040.0299.18
5.2.140.0030.0309.18
5.2.130.0030.0309.14
5.2.120.0040.0289.14
5.2.110.0040.0309.14
5.2.100.0070.0309.14
5.2.90.0050.0279.14
5.2.80.0040.0329.13
5.2.70.0070.0299.14
5.2.60.0050.0289.09
5.2.50.0050.0299.06
5.2.40.0020.0349.04
5.2.30.0050.0389.02
5.2.20.0020.0309.00
5.2.10.0050.0288.93
5.2.00.0060.0278.79
5.1.60.0050.0288.07
5.1.50.0010.0268.06
5.1.40.0040.0238.04
5.1.30.0040.0318.40
5.1.20.0040.0308.41
5.1.10.0070.0228.14
5.1.00.0030.0298.14
5.0.50.0020.0306.62
5.0.40.0070.0206.48
5.0.30.0050.0316.29
5.0.20.0060.0216.26
5.0.10.0030.0256.24
5.0.00.0060.0316.23
4.4.90.0020.0234.77
4.4.80.0020.0154.75
4.4.70.0030.0154.76
4.4.60.0020.0154.75
4.4.50.0050.0134.77
4.4.40.0030.0244.71
4.4.30.0030.0194.76
4.4.20.0020.0154.85
4.4.10.0010.0164.85
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0070.0134.63
4.3.80.0050.0214.59
4.3.70.0060.0184.63
4.3.60.0020.0144.63
4.3.50.0030.0214.63
4.3.40.0010.0244.53
4.3.30.0010.0163.28
4.3.20.0040.0213.26
4.3.10.0030.0143.22
4.3.00.0030.01315.96

preferences:
42.25 ms | 401 KiB | 5 Q