3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abcdefghijklmnopqrstuvwxyz0123456789'; for ($x=0,$r=null;$x<8;$x++) { $r .= substr($a, mt_rand(0, strlen($a) - 1), 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)
7.3.10.0250.00616.24
7.3.00.0140.00416.40
7.2.130.0070.01016.71
7.2.120.0110.01116.31
7.2.110.0230.00916.82
7.2.100.0120.00616.71
7.2.90.0110.01016.53
7.2.80.0170.00616.07
7.2.70.0170.00916.70
7.2.60.0130.01016.65
7.2.50.0090.00916.68
7.2.40.0180.01516.69
7.2.30.0080.01516.16
7.2.20.0180.00916.53
7.2.10.0070.01116.12
7.2.00.0170.00617.81
7.1.250.0070.00715.56
7.1.70.0070.00316.95
7.1.60.0040.02119.82
7.1.50.0130.00716.69
7.1.00.0000.07322.40
7.0.200.0070.00016.61
7.0.140.0030.06721.95
7.0.60.0130.08720.01
7.0.50.0130.07317.80
7.0.40.0130.07020.03
7.0.30.0330.07320.17
7.0.20.0200.04320.33
7.0.10.0270.07720.09
7.0.00.0030.08720.20
5.6.280.0070.07020.89
5.6.210.0070.08020.55
5.6.200.0130.08018.13
5.6.190.0030.08020.40
5.6.180.3170.05020.67
5.6.170.0300.08020.51
5.6.160.0070.04020.50
5.6.150.0100.07318.19
5.6.140.0030.08318.13
5.6.130.0030.08318.11
5.6.120.0030.05021.01
5.6.110.0070.08020.98
5.6.100.0130.06321.13
5.6.90.0100.07020.97
5.6.80.0100.08020.38
5.6.70.0300.07020.37
5.5.350.0070.07320.38
5.5.340.0030.08317.92
5.5.330.0100.05020.40
5.5.320.0370.07720.24
5.5.310.0230.06720.29
5.5.300.0070.08318.02
5.5.290.0030.08017.98
5.5.280.0070.05720.87
5.5.270.0000.05020.66
5.5.260.0100.04020.89
5.5.250.0100.03320.55
5.5.240.0100.08020.33
5.4.450.0300.05719.48
5.4.440.0370.06019.63
5.4.430.0230.05319.42
5.4.420.0400.06019.49
5.4.410.0030.06018.93
5.4.400.0100.05318.72
5.4.390.0170.04318.63
5.4.380.0330.04718.63
5.4.370.0100.05318.70
5.4.360.0200.04318.52
5.4.350.0070.06318.66
5.4.340.0070.06318.68
5.4.320.0060.03812.45
5.4.310.0100.04412.45
5.4.300.0050.04012.46
5.4.290.0100.03912.45
5.4.280.0090.03812.35
5.4.270.0170.04319.10
5.4.260.0100.04719.00
5.4.250.0000.06018.93
5.4.240.0030.05719.07
5.4.230.0100.05718.98
5.4.220.0130.05318.79
5.4.210.0030.05718.88
5.4.200.0030.06018.95
5.4.190.0200.06318.93
5.4.180.0130.05018.98
5.4.170.0070.05318.84
5.4.160.0070.07719.04
5.4.150.0030.06318.99
5.4.140.0100.05016.50
5.4.130.0070.06016.58
5.4.120.0100.07016.37
5.4.110.0070.07316.48
5.4.100.0000.05716.35
5.4.90.0130.06016.44
5.4.80.0200.05316.50
5.4.70.0030.05316.53
5.4.60.0030.07016.60
5.4.50.0100.05016.56
5.4.40.0070.05716.33
5.4.30.0000.06316.47
5.4.20.0070.06016.37
5.4.10.0000.05716.49
5.4.00.0030.06015.99
5.3.290.0060.04012.80
5.3.280.0030.05714.48
5.3.270.0130.05014.53
5.3.260.0100.05014.77
5.3.250.0100.06714.77
5.3.240.0070.06014.75
5.3.230.0130.05314.79
5.3.220.0100.05314.55
5.3.210.0070.06314.40
5.3.200.0100.04714.66
5.3.190.0130.06014.71
5.3.180.0100.06314.71
5.3.170.0030.06014.65
5.3.160.0200.04314.54
5.3.150.0030.06014.73
5.3.140.0000.05714.72
5.3.130.0030.07014.47
5.3.120.0130.05714.70
5.3.110.0070.05714.36
5.3.100.0070.05014.01
5.3.90.0030.05314.05
5.3.80.0200.04714.13
5.3.70.0170.04714.18
5.3.60.0030.05314.06
5.3.50.0100.05014.11
5.3.40.0130.04313.93
5.3.30.0070.05714.10
5.3.20.0100.06313.70
5.3.10.0170.05013.76
5.3.00.0000.05713.73
5.2.170.0070.04311.29
5.2.160.0030.04711.36
5.2.150.0070.04311.29
5.2.140.0070.04311.38
5.2.130.0070.04711.24
5.2.120.0030.04011.10
5.2.110.0130.04011.22
5.2.100.0000.05011.32
5.2.90.0000.04711.24
5.2.80.0000.04311.21
5.2.70.0070.04011.02
5.2.60.0000.04710.86
5.2.50.0000.04310.95
5.2.40.0030.05711.14
5.2.30.0130.05010.90
5.2.20.0030.04011.09
5.2.10.0100.03311.13
5.2.00.0000.04710.97
5.1.60.0000.0409.93
5.1.50.0030.0339.97
5.1.40.0070.03310.25
5.1.30.0000.04010.60
5.1.20.0070.04710.22
5.1.10.0000.04010.04
5.1.00.0070.03010.35
5.0.50.0030.0308.82
5.0.40.0000.0378.72
5.0.30.0000.0478.33
5.0.20.0070.0338.45
5.0.10.0030.0308.34
5.0.00.0030.0438.33
4.4.90.0070.0208.33
4.4.80.0130.0178.33
4.4.70.0070.0238.33
4.4.60.0100.0238.33
4.4.50.0000.0308.33
4.4.40.0000.0338.33
4.4.30.0000.0238.33
4.4.20.0000.0238.33
4.4.10.0030.0308.33
4.4.00.0000.0378.33
4.3.110.0000.0278.33
4.3.100.0030.0238.33
4.3.90.0030.0208.33
4.3.80.0030.0308.33
4.3.70.0030.0238.33
4.3.60.0000.0338.33
4.3.50.0030.0208.33
4.3.40.0030.0408.33
4.3.30.0000.0308.33
4.3.20.0030.0238.33
4.3.10.0030.0238.33
4.3.00.0230.0174.39

preferences:
37 ms | 401 KiB | 5 Q