3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date1 = "2013-03-01 19:12:45"; $date2 = "2014-03-01 06:37:04"; //Convert them to timestamps. $date1Timestamp = strtotime($date1); $date2Timestamp = strtotime($date2); //Calculate the difference. $difference = $date2Timestamp - $date1Timestamp; echo $difference;

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)
8.3.60.0090.00616.75
8.3.50.0110.00821.96
8.3.40.0150.00918.84
8.3.30.0070.00718.67
8.3.20.0000.00820.23
8.3.10.0040.00423.74
8.3.00.0040.00419.38
8.2.180.0070.01018.28
8.2.170.0110.00422.96
8.2.160.0130.00021.98
8.2.150.0090.00024.18
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00020.93
8.2.110.0000.00922.30
8.2.100.0070.00417.93
8.2.90.0070.00019.21
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0030.00618.04
8.2.50.0090.00018.07
8.2.40.0040.00419.28
8.2.30.0040.00320.50
8.2.20.0030.00517.83
8.2.10.0060.00318.13
8.2.00.0040.00418.04
8.1.280.0090.01225.92
8.1.270.0050.00323.96
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00322.46
8.1.230.0000.01117.79
8.1.220.0050.00317.78
8.1.210.0040.00818.77
8.1.200.0060.00317.25
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0040.00421.98
8.1.150.0020.00518.76
8.1.140.0040.00419.57
8.1.130.0000.00717.73
8.1.120.0040.00417.53
8.1.110.0060.00317.58
8.1.100.0020.00517.52
8.1.90.0040.00417.64
8.1.80.0040.00417.45
8.1.70.0000.00817.55
8.1.60.0050.00217.61
8.1.50.0050.00317.59
8.1.40.0030.00617.58
8.1.30.0090.00017.71
8.1.20.0070.00017.61
8.1.10.0070.00017.69
8.1.00.0050.00317.63
8.0.300.0030.00618.77
8.0.290.0040.00417.00
8.0.280.0030.00518.39
8.0.270.0070.00017.31
8.0.260.0060.00017.32
8.0.250.0000.00717.18
8.0.240.0060.00017.10
8.0.230.0000.00616.96
8.0.220.0030.00317.05
8.0.210.0000.00717.02
8.0.200.0060.00017.07
8.0.190.0090.00017.14
8.0.180.0040.00417.02
8.0.170.0040.00416.93
8.0.160.0000.00717.03
8.0.150.0070.00016.82
8.0.140.0040.00416.88
8.0.130.0080.00013.38
8.0.120.0040.00416.87
8.0.110.0040.00416.92
8.0.100.0040.00416.90
8.0.90.0040.00416.99
8.0.80.0100.01016.97
8.0.70.0000.00816.83
8.0.60.0030.00516.90
8.0.50.0000.00716.90
8.0.30.0080.01017.29
8.0.20.0080.01217.40
8.0.10.0050.00317.05
8.0.00.0090.00816.83
7.4.330.0020.00215.08
7.4.320.0060.00016.59
7.4.300.0040.00416.70
7.4.290.0030.00316.63
7.4.280.0060.00316.54
7.4.270.0030.00316.59
7.4.260.0030.00316.66
7.4.250.0040.00416.61
7.4.240.0020.00516.50
7.4.230.0070.00016.73
7.4.220.0110.00716.68
7.4.210.0080.01216.60
7.4.200.0030.00316.52
7.4.160.0120.00316.45
7.4.150.0180.00017.40
7.4.140.0080.01317.86
7.4.130.0170.00416.54
7.4.120.0090.00916.71
7.4.110.0030.01416.45
7.4.100.0110.00616.54
7.4.90.0070.01016.56
7.4.80.0170.00819.39
7.4.70.0130.00516.48
7.4.60.0030.01316.73
7.4.50.0030.00616.66
7.4.40.0180.00616.63
7.4.30.0110.00816.57
7.4.00.0100.00715.19
7.3.330.0030.00313.07
7.3.320.0000.00613.02
7.3.310.0000.00716.26
7.3.300.0070.00016.36
7.3.290.0060.01316.29
7.3.280.0090.01216.32
7.3.270.0100.01017.40
7.3.260.0130.00416.58
7.3.250.0130.00616.55
7.3.240.0100.00716.45
7.3.230.0070.01016.53
7.3.210.0100.00616.46
7.3.200.0060.00916.22
7.3.190.0090.00616.41
7.3.180.0120.00616.58
7.3.170.0070.01016.59
7.3.160.0120.00316.44
7.2.330.0100.00716.67
7.2.320.0070.01416.83
7.2.310.0030.01316.43
7.2.300.0110.00616.84
7.2.290.0040.01216.85
7.2.00.0100.01019.30
7.1.100.0000.01518.12
7.1.70.0040.00417.43
7.1.60.0110.01119.43
7.1.50.0140.01017.04
7.1.00.0070.07322.45
7.0.200.0060.00915.16
7.0.60.0100.05019.97
7.0.50.0070.06017.79
7.0.40.0000.08720.04
7.0.30.0070.08320.01
7.0.20.0200.08320.16
7.0.10.0070.08720.21
7.0.00.0070.08320.08
5.6.280.0070.07021.02
5.6.210.0030.08320.49
5.6.200.0070.06718.21
5.6.190.0030.04020.64
5.6.180.0370.06720.67
5.6.170.0270.04020.48
5.6.160.0100.07020.44
5.6.150.0070.07018.09
5.6.140.0030.09018.07
5.6.130.0070.07318.11
5.6.120.0130.08020.99
5.6.110.0030.05320.93
5.6.100.0100.08021.08
5.6.90.0200.07021.09
5.6.80.0130.07320.34
5.5.350.0230.03020.32
5.5.340.0100.03717.89
5.5.330.0030.08320.23
5.5.320.0200.07320.12
5.5.310.0200.07020.33
5.5.300.0100.08017.88
5.5.290.0070.08017.91
5.5.280.0170.07320.68
5.5.270.0000.06020.86
5.5.260.0130.07720.88
5.5.250.0170.05720.61
5.5.240.0130.07320.15
5.4.450.0530.05719.61
5.4.440.0600.05019.56
5.4.430.0630.04719.09
5.4.420.0670.05019.38
5.4.410.0730.05019.16
5.4.400.0600.05718.77
5.4.390.0670.06018.79
5.4.380.0770.05718.99
5.4.370.0570.05319.16
5.4.360.0600.05019.27
5.4.350.0570.04719.21
5.4.340.0600.06718.77
5.4.320.0500.06018.95
5.4.310.0670.06019.18
5.4.300.0670.05319.19
5.4.290.0870.05019.18
5.4.280.0700.06019.18
5.4.270.0600.05719.05
5.4.260.0700.04718.76
5.4.250.0530.05319.16
5.4.240.0870.07019.10
5.4.230.0830.07719.15
5.4.220.0700.04719.23
5.4.210.0630.05719.07
5.4.200.0670.06018.98
5.4.190.0800.04319.14
5.4.180.0630.07319.27
5.4.170.0700.05719.18
5.4.160.0670.05319.17
5.4.150.0570.06718.93
5.4.140.0700.05716.34
5.4.130.0730.05016.23
5.4.120.0630.05016.51
5.4.110.0570.05316.12
5.4.100.0670.04316.54
5.4.90.0800.06016.12
5.4.80.0500.05316.22
5.4.70.0470.04716.48
5.4.60.0500.05316.49
5.4.50.0670.03316.01
5.4.40.0600.04316.16
5.4.30.0670.03716.21
5.4.20.0670.04716.42
5.4.10.0500.06316.15
5.4.00.0700.04715.79

preferences:
33 ms | 401 KiB | 5 Q