3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; for ($x=0,$r=null;$x<8;$x++) { $r .= $a[mt_rand(0, strlen($a) - 1)]; } echo $r;

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)
7.2.00.0060.00619.36
7.1.70.0040.00416.91
7.1.60.0090.00619.17
7.1.50.0090.01616.82
7.1.00.0070.03022.32
7.0.200.0070.00716.83
7.0.140.0070.07022.08
7.0.110.0470.08019.95
7.0.100.0500.09019.95
7.0.90.0630.07719.96
7.0.80.0370.07319.93
7.0.70.0500.05020.02
7.0.60.0700.07020.00
7.0.50.0570.07720.37
7.0.40.0030.07020.18
7.0.30.0100.08020.06
7.0.20.0070.06720.19
7.0.10.0100.06320.04
7.0.00.0200.06720.18
5.6.280.0000.08020.98
5.6.260.0130.07320.50
5.6.250.0070.08020.50
5.6.240.0170.07320.57
5.6.230.0070.08720.85
5.6.220.0100.08020.65
5.6.210.0070.07320.62
5.6.200.0100.07321.02
5.6.190.0130.05320.98
5.6.180.0030.07721.21
5.6.170.0130.07321.14
5.6.160.0130.07321.11
5.6.150.0100.05021.02
5.6.140.0170.06321.13
5.6.130.0030.09021.18
5.6.120.0030.08721.09
5.6.110.0100.07721.00
5.6.100.0130.08021.12
5.6.90.0100.07321.00
5.6.80.0100.07320.57
5.6.70.0130.07020.43
5.6.60.0100.06020.46
5.6.50.0130.08020.53
5.6.40.0030.08320.51
5.6.30.0000.08320.41
5.6.20.0030.08320.54
5.6.10.0100.08020.30
5.6.00.0200.07020.36
5.5.380.0030.04320.54
5.5.370.0030.08020.37
5.5.360.0030.08720.53
5.5.350.0130.07020.44
5.5.340.0100.04720.94
5.5.330.0070.04720.90
5.5.320.0170.07720.77
5.5.310.0100.08020.78
5.5.300.0100.07720.98
5.5.290.0130.06020.94
5.5.280.0030.08020.76
5.5.270.0030.08320.77
5.5.260.0100.08020.93
5.5.250.0070.08320.50
5.5.240.0070.07720.19
5.5.230.0100.06320.27
5.5.220.0070.07320.18
5.5.210.0030.05320.41
5.5.200.0100.07720.19
5.5.190.0030.07720.13
5.5.180.0170.07020.30
5.5.160.0030.07320.15
5.5.150.0100.07720.25
5.5.140.0100.07320.25
5.5.130.0070.07020.18
5.5.120.0170.06320.38
5.5.110.0100.06720.20
5.5.100.0100.07719.98
5.5.90.0170.05019.98
5.5.80.0100.07020.27
5.5.70.0130.06720.24
5.5.60.0030.08320.13
5.5.50.0170.07020.08
5.5.40.0100.07020.18
5.5.30.0030.08320.02
5.5.20.0130.07720.16
5.5.10.0130.06720.09
5.5.00.0130.07320.23
5.4.450.0000.07319.25
5.4.440.0100.07719.57
5.4.430.0030.05719.59
5.4.420.0030.07719.50
5.4.410.0100.08019.20
5.4.400.0030.07719.15
5.4.390.0100.07719.00
5.4.380.0070.07719.03
5.4.370.0070.07719.10
5.4.360.0130.03319.00
5.4.350.0030.05319.00
5.4.340.0100.07319.11
5.4.320.0070.06718.95
5.4.310.0070.05019.01
5.4.300.0170.07018.95
5.4.290.0130.07719.17
5.4.280.0100.05318.95
5.4.270.0100.07319.16
5.4.260.0030.07319.25
5.4.250.0170.06719.07
5.4.240.0030.07018.89
5.4.230.0070.05019.09
5.4.220.0000.07718.94
5.4.210.0130.07019.00
5.4.200.0130.06319.26
5.4.190.0100.07718.94
5.4.180.0000.07719.24
5.4.170.0100.05719.26
5.4.160.0000.05318.96
5.4.150.0070.07318.97
5.4.140.0100.07016.46
5.4.130.0070.07316.46
5.4.120.0130.06016.52
5.4.110.0130.06716.28
5.4.100.0100.05716.40
5.4.90.0130.06316.29
5.4.80.0130.06316.47
5.4.70.0100.07016.46
5.4.60.0130.06316.21
5.4.50.0200.05716.50
5.4.40.0030.04716.21
5.4.30.0030.08016.10
5.4.20.0070.06016.37
5.4.10.0070.07016.47
5.4.00.0030.07315.69
5.3.290.0030.06714.74
5.3.280.0200.06014.48
5.3.270.0030.08014.45
5.3.260.0100.06714.62
5.3.250.0170.06714.54
5.3.240.0070.07714.43
5.3.230.0030.07714.63
5.3.220.0130.06714.35
5.3.210.0030.05014.44
5.3.200.0070.07014.42
5.3.190.0070.07314.45
5.3.180.0100.07014.60
5.3.170.0100.06714.43
5.3.160.0030.04714.46
5.3.150.0030.08014.45
5.3.140.0070.07314.34
5.3.130.0030.08314.56
5.3.120.0070.08014.40
5.3.110.0100.07714.64
5.3.100.0130.06313.86
5.3.90.0030.07713.91
5.3.80.0070.07313.95
5.3.70.0130.06713.87
5.3.60.0100.05013.90
5.3.50.0100.06713.83
5.3.40.0100.06713.77
5.3.30.0030.05713.80
5.3.20.0070.07713.63
5.3.10.0070.06713.59
5.3.00.0070.07013.55
5.2.170.0100.05312.33
5.2.160.0030.06312.33
5.2.150.0000.06712.33
5.2.140.0100.06012.33
5.2.130.0100.03312.33
5.2.120.0130.04312.33
5.2.110.0130.05312.33
5.2.100.0030.05712.33
5.2.90.0130.05012.33
5.2.80.0030.06712.33
5.2.70.0070.06012.33
5.2.60.0100.06012.33
5.2.50.0100.05312.33
5.2.40.0000.06312.33
5.2.30.0100.05712.33
5.2.20.0030.06712.33
5.2.10.0030.06312.33
5.2.00.0030.06012.33
5.1.60.0070.05012.33
5.1.50.0030.05312.33
5.1.40.0070.05012.33
5.1.30.0100.05312.33
5.1.20.0100.05312.33
5.1.10.0100.03712.33
5.1.00.0030.04712.33
5.0.50.0070.02712.33
5.0.40.0030.02012.33
5.0.30.0030.05012.33
5.0.20.0030.03712.33
5.0.10.0000.02012.33
5.0.00.0000.03012.33
4.4.90.0070.03012.33
4.4.80.0000.03712.33
4.4.70.0000.03012.33
4.4.60.0030.03712.33
4.4.50.0000.03712.33
4.4.40.0070.05012.33
4.4.30.0030.03312.33
4.4.20.0030.03312.33
4.4.10.0070.03312.33
4.4.00.0000.03312.33
4.3.110.0000.02012.33
4.3.100.0000.01712.33
4.3.90.0000.02712.33
4.3.80.0000.02712.33
4.3.70.0000.01312.33
4.3.60.0000.01712.33
4.3.50.0000.01712.33
4.3.40.0000.02312.33
4.3.30.0000.01712.33
4.3.20.0000.01712.33
4.3.10.0000.01312.33
4.3.00.0000.01312.33

preferences:
34.25 ms | 401 KiB | 5 Q