3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oldTimestamp = strtotime("2014-02-20 19:30:00"); $newTimestamp = strtotime('-2 day', $oldTimestamp); echo $oldTimestamp; echo ' '; echo $newTimestamp; echo ' '; 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)
7.2.60.0030.01316.96
7.2.00.0070.00719.58
7.1.200.0100.00015.72
7.1.100.0030.00718.29
7.1.70.0070.00017.12
7.1.60.0090.01519.43
7.1.50.0090.01217.20
7.1.00.0000.03722.31
7.0.200.0390.00415.30
7.0.140.0070.07021.97
7.0.90.0400.05319.88
7.0.80.0100.07719.89
7.0.70.0200.05019.82
7.0.60.0570.07720.01
7.0.50.0570.06320.24
7.0.40.0130.07320.13
7.0.30.0130.07720.11
7.0.20.0130.08020.13
7.0.10.0170.07720.09
7.0.00.0170.08020.04
5.6.280.0100.06720.89
5.6.240.0030.05320.69
5.6.230.0030.09020.63
5.6.220.0000.04720.61
5.6.210.0100.08720.64
5.6.200.0100.08020.98
5.6.190.0130.07721.10
5.6.180.0070.05021.00
5.6.170.0130.07720.93
5.6.160.0130.06321.10
5.6.150.0030.09021.04
5.6.140.0130.06021.02
5.6.130.0070.04321.01
5.6.120.0070.06720.92
5.6.110.0100.08321.15
5.6.100.0100.08321.02
5.6.90.0130.05721.10
5.6.80.0030.07720.40
5.6.70.0130.06720.32
5.6.60.0030.08720.47
5.6.50.0130.07720.39
5.6.40.0000.07720.30
5.6.30.0100.04320.30
5.6.20.0070.06720.34
5.6.10.0100.07720.38
5.6.00.0100.08020.50
5.5.380.0070.08020.41
5.5.370.0100.07320.49
5.5.360.0130.06020.43
5.5.350.0100.08020.46
5.5.340.0100.07320.87
5.5.330.0130.07020.91
5.5.320.0100.05020.80
5.5.310.0070.08320.72
5.5.300.0030.09020.87
5.5.290.0130.04320.85
5.5.280.0130.07720.72
5.5.270.0070.08720.77
5.5.260.0070.08720.71
5.5.250.0070.08720.63
5.5.240.0130.07720.24
5.5.230.0070.08020.17
5.5.220.0170.07320.12
5.5.210.0000.06320.27
5.5.200.0070.08320.21
5.5.190.0070.04020.10
5.5.180.0030.08720.27
5.5.160.0170.07320.12
5.5.150.0130.06020.24
5.5.140.0130.03320.13
5.5.130.0070.09720.11
5.5.120.0170.06720.06
5.5.110.0130.07320.13
5.5.100.0030.09020.12
5.5.90.0100.07019.96
5.5.80.0130.07320.06
5.5.70.0070.07020.14
5.5.60.0130.06320.09
5.5.50.0130.07320.04
5.5.40.0100.08019.96
5.5.30.0100.08020.03
5.5.20.0100.08320.04
5.5.10.0070.07319.92
5.5.00.0200.06720.04
5.4.450.0030.05019.29
5.4.440.0070.08019.45
5.4.430.0230.05019.10
5.4.420.0100.07719.45
5.4.410.0000.08319.23
5.4.400.0000.05019.23
5.4.390.0170.06319.05
5.4.380.0200.06719.05
5.4.370.0100.07318.79
5.4.360.0130.07018.94
5.4.350.0070.04319.06
5.4.340.0130.07019.05
5.4.320.0030.05719.16
5.4.310.0170.04319.11
5.4.300.0100.06319.07
5.4.290.0070.04719.02
5.4.280.0070.07318.97
5.4.270.0100.06718.96
5.4.260.0170.06019.09
5.4.250.0070.04019.02
5.4.240.0070.08019.12
5.4.230.0030.08318.94
5.4.220.0030.05319.11
5.4.210.0070.04719.07
5.4.200.0030.07718.94
5.4.190.0030.07019.04
5.4.180.0070.07719.07
5.4.170.0070.04318.89
5.4.160.0130.07018.76
5.4.150.0100.05019.10
5.4.140.0000.07316.34
5.4.130.0100.07016.43
5.4.120.0070.07016.34
5.4.110.0070.07016.27
5.4.100.0130.06716.43
5.4.90.0100.07316.48
5.4.80.0100.07016.34
5.4.70.0070.07016.50
5.4.60.0000.06016.29
5.4.50.0030.07316.35
5.4.40.0030.06716.36
5.4.30.0070.07316.18
5.4.20.0000.04316.34
5.4.10.0070.07716.26
5.4.00.0130.07015.81
5.3.290.0100.07314.91
5.3.280.0100.07314.91
5.3.270.0130.05314.91
5.3.260.0030.07314.91
5.3.250.0100.06714.91
5.3.240.0130.07314.91
5.3.230.0030.05714.91
5.3.220.0070.08014.91
5.3.210.0130.05014.91
5.3.200.0100.07314.91
5.3.190.0130.05014.91
5.3.180.0100.07014.91
5.3.170.0100.07014.91
5.3.160.0130.07014.91
5.3.150.0030.05314.91
5.3.140.0100.07314.91
5.3.130.0130.07314.91
5.3.120.0100.07314.91
5.3.110.0070.08014.91
5.3.100.0070.07314.91
5.3.90.0170.06314.91
5.3.80.0030.08014.91
5.3.70.0030.07014.91
5.3.60.0130.04314.91
5.3.50.0170.06314.91
5.3.40.0030.07314.91
5.3.30.0130.03314.91
5.3.20.0170.05314.91
5.3.10.0070.06714.91
5.3.00.0100.06314.91
5.2.170.0030.04314.91
5.2.160.0070.03314.91
5.2.150.0030.04014.91
5.2.140.0130.05714.91
5.2.130.0030.06714.91
5.2.120.0000.05714.91
5.2.110.0070.04314.91
5.2.100.0030.07314.91
5.2.90.0130.05014.91
5.2.80.0070.04714.91
5.2.70.0000.04014.91
5.2.60.0070.06314.91
5.2.50.0100.05714.91
5.2.40.0030.06314.91
5.2.30.0070.03014.91
5.2.20.0070.03014.91
5.2.10.0030.04714.91
5.2.00.0070.04314.91
5.1.60.0000.04014.91
5.1.50.0030.03714.91
5.1.40.0000.04014.91
5.1.30.0170.03714.91
5.1.20.0100.04714.91
5.1.10.0130.03314.91
5.1.00.0000.05714.91
5.0.50.0070.04714.91
5.0.40.0070.03714.91
5.0.30.0000.07014.91
5.0.20.0000.02714.91
5.0.10.0030.03714.91
5.0.00.0030.06314.91
4.4.90.0000.01714.91
4.4.80.0030.02314.91
4.4.70.0000.02314.91
4.4.60.0070.03014.91
4.4.50.0030.03314.91
4.4.40.0070.05014.91
4.4.30.0100.03014.91
4.4.20.0000.02014.91
4.4.10.0000.02314.91
4.4.00.0000.05714.91
4.3.110.0070.02314.91
4.3.100.0070.02714.91
4.3.90.0000.03714.91
4.3.80.0000.04014.91
4.3.70.0070.03014.91
4.3.60.0000.03714.91
4.3.50.0030.03314.91
4.3.40.0030.04014.91
4.3.30.0030.03314.91
4.3.20.0000.03014.91
4.3.10.0070.02714.91
4.3.00.0000.02314.91

preferences:
35.2 ms | 401 KiB | 5 Q