3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timestamp = strtotime("2014-02-20 19:30:00"); $timestamp = strtotime('-2 day', $timestamp); echo $timestamp; echo time();

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)
7.2.60.0040.01117.10
7.1.200.0000.01215.69
7.1.70.0040.00417.12
7.1.60.0140.01019.43
7.1.50.0130.01017.17
7.1.00.0030.05722.45
7.0.200.0190.00316.77
7.0.140.0030.07022.10
7.0.90.0070.06321.66
7.0.80.0030.08321.73
7.0.70.0100.07721.68
7.0.60.0030.08021.58
7.0.50.0030.08322.18
7.0.40.0030.08720.09
7.0.30.0000.09020.14
7.0.20.0070.04720.13
7.0.10.0100.03720.00
7.0.00.0100.06020.14
5.6.280.0070.07021.09
5.6.240.0070.07320.57
5.6.230.0100.07720.65
5.6.220.0070.07720.47
5.6.210.0130.07720.67
5.6.200.0130.06320.94
5.6.190.0070.08320.93
5.6.180.0030.08320.95
5.6.170.0100.06320.95
5.6.160.0100.07721.11
5.6.150.0070.07321.10
5.6.140.0100.08021.07
5.6.130.0030.07721.04
5.6.120.0070.07320.94
5.6.110.0030.08320.92
5.6.100.0070.08021.02
5.6.90.0000.09021.07
5.6.80.0100.04020.49
5.6.70.0070.04020.47
5.6.60.0030.05020.53
5.6.50.0030.08020.39
5.6.40.0100.06020.43
5.6.30.0070.07320.41
5.6.20.0000.08020.38
5.6.10.0030.08320.41
5.6.00.0030.07720.42
5.5.380.0000.06320.35
5.5.370.0000.05020.50
5.5.360.0030.08720.46
5.5.350.0070.08020.39
5.5.340.0000.06020.77
5.5.330.0030.07720.77
5.5.320.0100.07320.75
5.5.310.0130.07020.63
5.5.300.0030.04320.87
5.5.290.0030.08720.86
5.5.280.0100.07020.74
5.5.270.0100.04320.87
5.5.260.0030.05720.81
5.5.250.0030.08020.72
5.5.240.0070.04720.28
5.5.230.0130.06720.14
5.5.220.0030.04720.13
5.5.210.0070.07320.10
5.5.200.0000.08020.23
5.5.190.0070.07320.07
5.5.180.0030.05320.21
5.5.160.0100.05020.22
5.5.150.0070.08020.21
5.5.140.0000.06320.16
5.5.130.0130.06719.98
5.5.120.0000.05720.20
5.5.110.0130.06020.25
5.5.100.0070.08020.06
5.5.90.0070.07720.06
5.5.80.0170.06719.92
5.5.70.0030.08020.05
5.5.60.0130.06720.08
5.5.50.0070.07020.05
5.5.40.0100.07019.92
5.5.30.0000.07020.12
5.5.20.0030.05720.02
5.5.10.0030.07320.10
5.5.00.0030.07719.93
5.4.450.0030.05019.46
5.4.440.0100.06719.45
5.4.430.0100.07019.38
5.4.420.0030.07319.10
5.4.410.0070.04019.38
5.4.400.0030.05319.13
5.4.390.0070.07319.11
5.4.380.0030.04318.96
5.4.370.0030.07318.98
5.4.360.0030.04319.14
5.4.350.0030.06319.07
5.4.340.0100.07319.10
5.4.320.0070.05718.98
5.4.310.0100.06018.95
5.4.300.0030.08019.02
5.4.290.0070.07319.09
5.4.280.0070.07018.78
5.4.270.0030.06719.07
5.4.260.0030.07319.02
5.4.250.0030.07718.78
5.4.240.0030.07018.80
5.4.230.0070.07318.96
5.4.220.0030.06719.07
5.4.210.0100.04719.09
5.4.200.0170.07019.07
5.4.190.0000.05319.05
5.4.180.0030.07019.03
5.4.170.0130.06719.09
5.4.160.0000.05718.76
5.4.150.0030.07318.88
5.4.140.0030.07016.36
5.4.130.0100.06716.35
5.4.120.0030.07716.11
5.4.110.0030.07016.41
5.4.100.0030.07316.31
5.4.90.0000.07316.29
5.4.80.0030.05316.48
5.4.70.0100.06016.30
5.4.60.0100.07016.38
5.4.50.0030.07716.28
5.4.40.0000.07716.43
5.4.30.0100.06716.41
5.4.20.0000.04716.18
5.4.10.0070.06016.35
5.4.00.0030.04315.62
5.3.290.0070.07014.52
5.3.280.0030.07314.58
5.3.270.0030.08014.46
5.3.260.0000.07714.42
5.3.250.0070.06314.54
5.3.240.0030.08014.58
5.3.230.0000.08014.55
5.3.220.0030.07314.38
5.3.210.0070.07014.42
5.3.200.0030.08014.42
5.3.190.0130.04314.57
5.3.180.0030.03714.38
5.3.170.0130.06714.42
5.3.160.0070.07714.52
5.3.150.0070.07014.46
5.3.140.0100.07314.51
5.3.130.0000.07014.41
5.3.120.0070.05014.53
5.3.110.0030.05314.53
5.3.100.0000.08013.94
5.3.90.0070.07314.00
5.3.80.0070.07714.00
5.3.70.0030.06013.97
5.3.60.0030.07313.75
5.3.50.0070.05013.92
5.3.40.0000.05013.82
5.3.30.0070.06013.88
5.3.20.0000.07713.67
5.3.10.0000.04013.64
5.3.00.0070.06713.64
5.2.170.0000.06311.20
5.2.160.0000.05711.12
5.2.150.0000.05310.89
5.2.140.0000.05011.19
5.2.130.0030.04011.08
5.2.120.0030.03710.95
5.2.110.0030.06310.94
5.2.100.0070.06011.09
5.2.90.0100.05711.14
5.2.80.0070.06311.08
5.2.70.0000.06010.95
5.2.60.0000.06710.89
5.2.50.0030.06011.04
5.2.40.0070.05010.99
5.2.30.0100.05010.76
5.2.20.0130.05310.82
5.2.10.0070.06010.87
5.2.00.0030.05710.84
5.1.60.0030.03010.18
5.1.50.0030.05010.18
5.1.40.0100.02010.18
5.1.30.0070.05310.32
5.1.20.0070.05010.46
5.1.10.0070.04710.18
5.1.00.0000.05710.18
5.0.50.0030.04010.18
5.0.40.0030.04010.18
5.0.30.0000.07010.18
5.0.20.0070.04010.18
5.0.10.0000.04010.18
5.0.00.0000.04710.18
4.4.90.0000.03310.18
4.4.80.0000.03710.18
4.4.70.0000.03710.18
4.4.60.0030.03010.18
4.4.50.0000.02710.18
4.4.40.0000.05310.18
4.4.30.0000.02310.18
4.4.20.0000.03010.18
4.4.10.0000.02710.18
4.4.00.0000.04710.18
4.3.110.0000.03710.18
4.3.100.0030.02010.18
4.3.90.0000.03310.18
4.3.80.0000.03310.18
4.3.70.0000.03010.18
4.3.60.0000.03010.18
4.3.50.0000.02310.18
4.3.40.0030.03010.18
4.3.30.0000.03010.18
4.3.20.0100.01710.18
4.3.10.0030.03010.18
4.3.00.0030.03310.18

preferences:
36.29 ms | 400 KiB | 5 Q