3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = strtotime('2017-07-13'); $b= strtotime('2017-07-13 4:00PM'); print ($b-$a)/3600;

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)
8.3.60.0030.01918.43
8.3.50.0100.00316.37
8.3.40.0070.01418.79
8.3.30.0040.01118.65
8.3.20.0070.00020.16
8.3.10.0080.00321.85
8.3.00.0080.00019.68
8.2.180.0090.00618.54
8.2.170.0150.00022.96
8.2.160.0140.00019.25
8.2.150.0050.00324.18
8.2.140.0100.00324.66
8.2.130.0040.00419.14
8.2.120.0080.00026.35
8.2.110.0080.00020.30
8.2.100.0080.00417.84
8.2.90.0000.00817.75
8.2.80.0040.00418.61
8.2.70.0040.00418.02
8.2.60.0030.00618.28
8.2.50.0040.00419.35
8.2.40.0030.00621.02
8.2.30.0040.00421.14
8.2.20.0030.00518.10
8.2.10.0000.00718.17
8.2.00.0070.00017.99
8.1.280.0100.01025.92
8.1.270.0070.00022.14
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00922.05
8.1.230.0080.00417.83
8.1.220.0050.00317.76
8.1.210.0080.00018.77
8.1.200.0050.00517.48
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0060.00318.74
8.1.160.0000.00719.02
8.1.150.0070.00318.88
8.1.140.0080.00019.45
8.1.130.0030.00318.78
8.1.120.0000.00717.51
8.1.110.0040.00417.56
8.1.100.0000.00717.59
8.1.90.0040.00417.47
8.1.80.0070.00017.48
8.1.70.0040.00417.53
8.1.60.0040.00417.61
8.1.50.0040.00417.63
8.1.40.0000.00917.43
8.1.30.0050.00317.62
8.1.20.0000.00817.73
8.1.10.0030.00517.63
8.1.00.0000.00817.63
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.38
8.0.270.0070.00017.23
8.0.260.0040.00417.00
8.0.250.0000.00717.06
8.0.240.0040.00417.07
8.0.230.0030.00317.15
8.0.220.0030.00317.09
8.0.210.0050.00216.98
8.0.200.0000.00616.97
8.0.190.0030.00517.03
8.0.180.0040.00416.98
8.0.170.0040.00417.13
8.0.160.0040.00416.91
8.0.150.0030.00316.84
8.0.140.0040.00416.93
8.0.130.0030.00313.32
8.0.120.0000.00716.96
8.0.110.0000.00716.96
8.0.100.0040.00417.04
8.0.90.0000.00717.02
8.0.80.0090.01317.08
8.0.70.0000.00716.83
8.0.60.0000.00716.85
8.0.50.0030.00317.08
8.0.30.0050.01417.13
8.0.20.0090.01317.40
8.0.10.0000.00817.03
8.0.00.0120.00616.62
7.4.330.0030.00315.55
7.4.320.0000.00616.69
7.4.300.0000.00616.71
7.4.290.0000.00716.66
7.4.280.0050.00516.66
7.4.270.0000.00716.66
7.4.260.0000.00816.64
7.4.250.0030.00316.63
7.4.240.0000.00716.71
7.4.230.0000.00716.76
7.4.220.0180.00716.63
7.4.210.0120.00616.69
7.4.200.0070.00016.48
7.4.160.0080.00816.57
7.4.150.0170.00917.40
7.4.140.0110.00917.86
7.4.130.0120.01216.63
7.4.120.0080.01216.62
7.4.110.0150.00716.63
7.4.100.0080.01616.57
7.4.90.0130.00316.54
7.4.80.0130.01219.39
7.4.70.0090.00916.61
7.4.60.0090.01416.66
7.4.50.0100.00716.52
7.4.40.0100.00616.41
7.4.30.0140.00616.59
7.4.00.0100.00714.61
7.3.330.0000.00513.29
7.3.320.0020.00213.14
7.3.310.0030.00316.28
7.3.300.0060.00016.45
7.3.290.0000.00716.30
7.3.280.0070.01116.42
7.3.270.0140.00717.40
7.3.260.0130.00716.51
7.3.250.0160.00316.41
7.3.240.0090.01016.40
7.3.230.0100.01016.56
7.3.210.0090.00916.84
7.3.200.0110.00816.62
7.3.190.0100.01316.60
7.3.180.0070.01616.61
7.3.170.0090.00716.58
7.3.160.0060.01116.74
7.2.330.0120.00916.65
7.2.320.0060.01016.82
7.2.310.0060.01016.71
7.2.300.0040.01216.65
7.2.290.0150.00316.62
7.2.60.0070.00716.61
7.2.00.0030.01319.38
7.1.200.0000.01215.85
7.1.100.0040.00918.07
7.1.70.0150.00217.38
7.1.60.0180.02035.39
7.1.50.0210.01634.92
7.1.40.0230.01234.51
7.1.30.0160.01934.49
7.1.20.0190.01834.54
7.1.10.0100.00716.58
7.1.00.0030.01216.63
7.0.200.0110.00616.89
7.0.190.0100.00716.73
7.0.180.0030.01316.29
7.0.170.0040.01416.46
7.0.160.0060.01216.18
7.0.150.0070.01016.47
7.0.140.0100.00616.35
7.0.130.0060.01216.57
7.0.120.0030.01416.54
7.0.110.0000.01316.59
7.0.100.0030.01016.61
7.0.90.0070.00716.61
7.0.80.0030.01016.46
7.0.70.0070.00716.34
7.0.60.0030.01216.18
7.0.50.0080.00616.50
7.0.40.0050.01516.64
7.0.30.0030.01416.51
7.0.20.0080.00816.47
7.0.10.0060.01216.62
7.0.00.0030.01416.47

preferences:
80.28 ms | 401 KiB | 5 Q