3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = (string) time(); $time = strrev($time); $time = substr($time, 0, 6); echo base64_encode($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)
7.2.60.0120.01616.93
7.2.00.0180.01118.86
7.1.200.0070.00715.42
7.1.100.0120.00618.08
7.1.70.0040.00817.03
7.1.60.0030.02219.82
7.1.50.0060.01216.85
7.1.00.0030.07722.49
7.0.200.0030.00916.82
7.0.140.0030.07322.09
7.0.100.0370.05319.99
7.0.90.0070.08019.85
7.0.80.0070.08019.89
7.0.70.0200.08719.93
7.0.60.0100.08319.95
7.0.50.0030.05320.33
7.0.40.0030.05320.04
7.0.30.0070.08720.00
7.0.20.0170.07720.00
7.0.10.0130.04019.94
7.0.00.0030.07319.95
5.6.280.0100.06720.92
5.6.250.0030.05020.59
5.6.240.0030.08320.63
5.6.230.0070.08020.62
5.6.220.0070.08020.64
5.6.210.0130.08020.61
5.6.200.0100.07321.17
5.6.190.0000.05021.00
5.6.180.0070.06021.04
5.6.170.0100.05321.02
5.6.160.0170.03321.07
5.6.150.0100.04721.17
5.6.140.0070.04021.07
5.6.130.0030.07021.07
5.6.120.0130.05020.95
5.6.110.0070.04320.95
5.6.100.0130.07721.09
5.6.90.0130.04320.90
5.6.80.0070.08020.55
5.6.70.0130.06020.41
5.6.60.0030.04020.31
5.6.50.0200.03320.38
5.6.40.0070.04720.39
5.6.30.0100.07720.38
5.6.20.0130.07320.38
5.6.10.0100.05320.23
5.6.00.0000.08020.35
5.5.380.0070.04720.32
5.5.370.0130.04020.39
5.5.360.0100.08320.35
5.5.350.0070.08020.40
5.5.340.0070.08720.86
5.5.330.0170.08720.72
5.5.320.0130.04020.75
5.5.310.0200.06020.87
5.5.300.0030.04320.91
5.5.290.0130.04720.92
5.5.280.0070.04720.76
5.5.270.0070.08320.87
5.5.260.0070.05320.81
5.5.250.0030.06020.61
5.5.240.0030.05320.21
5.5.230.0070.04020.23
5.5.220.0030.04720.19
5.5.210.0070.07020.22
5.5.200.0070.06320.21
5.5.190.0000.04720.20
5.5.180.0130.07020.18
5.5.160.0200.07020.15
5.5.150.0070.05320.26
5.5.140.0070.05320.20
5.5.130.0170.03720.21
5.5.120.0070.08320.25
5.5.110.0030.07319.98
5.5.100.0130.06720.16
5.5.90.0000.04320.07
5.5.80.0030.04020.07
5.5.70.0130.07319.96
5.5.60.0030.06720.04
5.5.50.0100.05320.11
5.5.40.0030.04720.05
5.5.30.0030.06720.03
5.5.20.0070.08020.08
5.5.10.0030.05020.03
5.5.00.0130.07320.12
5.4.450.0100.07719.42
5.4.440.0170.07319.27
5.4.430.0030.07719.35
5.4.420.0030.08019.42
5.4.410.0130.06319.43
5.4.400.0100.05319.10
5.4.390.0070.07319.14
5.4.380.0000.04719.07
5.4.370.0130.07319.05
5.4.360.0030.08718.96
5.4.350.0070.04019.12
5.4.340.0170.06319.14
5.4.320.0030.07019.24
5.4.310.0070.05019.09
5.4.300.0030.05319.04
5.4.290.0000.07718.96
5.4.280.0070.05319.06
5.4.270.0030.05319.07
5.4.260.0130.04019.08
5.4.250.0070.04019.02
5.4.240.0100.04019.05
5.4.230.0000.06318.89
5.4.220.0030.08019.22
5.4.210.0070.05318.75
5.4.200.0070.07719.02
5.4.190.0100.03719.13
5.4.180.0100.07719.13
5.4.170.0070.04319.11
5.4.160.0070.03719.12
5.4.150.0100.06318.88
5.4.140.0030.07716.30
5.4.130.0100.04316.30
5.4.120.0170.05016.34
5.4.110.0170.06316.30
5.4.100.0100.07316.21
5.4.90.0030.07716.39
5.4.80.0030.04316.30
5.4.70.0070.03716.19
5.4.60.0100.08016.18
5.4.50.0100.06016.23
5.4.40.0200.06316.34
5.4.30.0100.07316.19
5.4.20.0100.06016.18
5.4.10.0030.04316.27
5.4.00.0070.07715.76
5.3.290.0030.04014.84
5.3.280.0070.06714.84
5.3.270.0070.06714.84
5.3.260.0030.06014.84
5.3.250.0070.04014.84
5.3.240.0000.04314.84
5.3.230.0100.07014.84
5.3.220.0170.06714.84
5.3.210.0070.04714.84
5.3.200.0000.04714.84
5.3.190.0100.04714.84
5.3.180.0070.07014.84
5.3.170.0070.04314.84
5.3.160.0100.07014.84
5.3.150.0070.04314.84
5.3.140.0100.04314.84
5.3.130.0270.05014.84
5.3.120.0100.04014.84
5.3.110.0100.07714.84
5.3.100.0030.07714.84
5.3.90.0070.04714.84
5.3.80.0070.06314.84
5.3.70.0100.03714.84
5.3.60.0000.08714.84
5.3.50.0070.04014.84
5.3.40.0130.05014.84
5.3.30.0100.06014.84
5.3.20.0070.07314.84
5.3.10.0030.04314.84
5.3.00.0100.07014.84
5.2.170.0100.05314.84
5.2.160.0000.03314.84
5.2.150.0070.06714.84
5.2.140.0070.04314.84
5.2.130.0100.03314.84
5.2.120.0070.04314.84
5.2.110.0030.06014.84
5.2.100.0030.03314.84
5.2.90.0070.04014.84
5.2.80.0030.06314.84
5.2.70.0100.05014.84
5.2.60.0000.05714.84
5.2.50.0030.04014.84
5.2.40.0000.03314.84
5.2.30.0030.05714.84
5.2.20.0170.05714.84
5.2.10.0100.05014.84
5.2.00.0070.03714.84
5.1.60.0070.04314.84
5.1.50.0070.02714.84
5.1.40.0070.04314.84
5.1.30.0070.03714.84
5.1.20.0070.03014.84
5.1.10.0070.02314.84
5.1.00.0000.02714.84
5.0.50.0030.02014.84
5.0.40.0070.01314.84
5.0.30.0070.03014.84
5.0.20.0030.01714.84
5.0.10.0000.02014.84
5.0.00.0000.03014.84
4.4.90.0030.03314.84
4.4.80.0030.02714.84
4.4.70.0030.01714.84
4.4.60.0000.04014.84
4.4.50.0000.03714.84
4.4.40.0030.02714.84
4.4.30.0030.01714.84
4.4.20.0000.02014.84
4.4.10.0030.01714.84
4.4.00.0030.03314.84
4.3.110.0030.02014.84
4.3.100.0030.01314.84
4.3.90.0000.01714.84
4.3.80.0000.02314.84
4.3.70.0030.01314.84
4.3.60.0100.00314.84
4.3.50.0030.01314.84
4.3.40.0000.02314.84
4.3.30.0000.01714.84
4.3.20.0000.01314.84
4.3.10.0030.01314.84
4.3.00.0000.01714.84

preferences:
40.43 ms | 401 KiB | 5 Q