3v4l.org

run code in 300+ PHP versions simultaneously
<?php $randomId = crypt(uniqid(rand(), 1)); $randomId = str_replace('.', '', $randomId); $randomId = strrev(str_replace('/', '', $randomId)); $randomId = substr($randomId, 0, 10); echo $randomId;

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)
7.3.10.0150.00416.46
7.3.00.0070.00716.01
7.2.130.0070.00716.63
7.2.120.0180.00016.35
7.2.110.0100.01016.23
7.2.100.0070.01016.27
7.2.90.0170.00716.58
7.2.80.0090.00616.90
7.2.70.0110.00816.59
7.2.60.0190.00616.82
7.2.50.0110.00816.73
7.2.40.0030.01016.73
7.2.30.0070.01016.58
7.2.20.0040.00816.61
7.2.10.0030.01316.91
7.2.00.0060.00518.24
7.1.250.0000.01115.66
7.1.70.0030.00617.31
7.1.60.0040.02219.82
7.1.50.0000.02117.03
7.1.00.0030.07722.43
7.0.200.0110.00416.71
7.0.140.0070.07022.10
7.0.100.0100.05019.91
7.0.90.0130.08019.82
7.0.80.0130.06019.88
7.0.70.0170.06319.86
7.0.60.0000.06719.93
7.0.50.0130.06720.37
7.0.40.0100.05720.14
7.0.30.0070.07020.04
7.0.20.0130.06320.04
7.0.10.0070.05020.09
7.0.00.0070.06020.13
5.6.280.0030.07320.98
5.6.250.0170.06320.60
5.6.240.0070.07720.68
5.6.230.0030.04720.67
5.6.220.0030.05720.64
5.6.210.0000.07320.42
5.6.200.0130.05021.02
5.6.190.0100.07721.03
5.6.180.0170.05721.13
5.6.170.0100.06321.18
5.6.160.0100.08021.09
5.6.150.0070.07321.08
5.6.140.0100.05021.01
5.6.130.0030.04721.16
5.6.120.0070.05021.07
5.6.110.0130.08021.11
5.6.100.0070.06721.15
5.6.90.0130.07321.01
5.6.80.0070.08020.44
5.6.70.0070.07320.46
5.6.60.0100.06320.31
5.6.50.0130.06320.45
5.6.40.0130.07720.28
5.6.30.0100.07720.46
5.6.20.0130.07720.29
5.6.10.0170.06720.51
5.6.00.0100.05720.41
5.5.380.0130.06720.53
5.5.370.0070.05720.46
5.5.360.0030.07720.32
5.5.350.0130.06720.40
5.5.340.0130.05320.73
5.5.330.0200.06020.86
5.5.320.0100.07320.83
5.5.310.0200.06020.79
5.5.300.0070.04020.92
5.5.290.0170.05020.74
5.5.280.0100.08320.87
5.5.270.0070.08320.90
5.5.260.0030.08020.77
5.5.250.0070.05720.53
5.5.240.0100.05020.02
5.5.230.0100.06720.26
5.5.220.0100.06720.23
5.5.210.0200.06720.23
5.5.200.0070.06720.08
5.5.190.0130.07020.07
5.5.180.0100.04320.25
5.5.160.0100.06320.05
5.5.150.0030.05020.07
5.5.140.0070.04720.08
5.5.130.0130.06320.26
5.5.120.0030.04320.11
5.5.110.0030.04720.16
5.5.100.0070.06720.15
5.5.90.0030.08720.03
5.5.80.0070.04720.05
5.5.70.0070.05720.11
5.5.60.0070.07320.03
5.5.50.0070.05020.06
5.5.40.0030.06320.09
5.5.30.0100.05720.04
5.5.20.0030.04720.03
5.5.10.0130.03320.09
5.5.00.0100.05720.03
5.4.450.0130.07719.36
5.4.440.0100.04319.45
5.4.430.0170.07319.45
5.4.420.0170.06719.27
5.4.410.0130.07719.34
5.4.400.0100.07318.95
5.4.390.0030.04319.06
5.4.380.0070.07019.03
5.4.370.0070.05319.05
5.4.360.0170.06318.98
5.4.350.0100.07319.05
5.4.340.0030.03719.03
5.4.320.0030.06019.05
5.4.310.0070.04018.92
5.4.300.0070.06018.99
5.4.290.0200.05718.95
5.4.280.0070.06018.78
5.4.270.0030.05318.97
5.4.260.0100.06318.96
5.4.250.0000.05318.97
5.4.240.0070.06318.77
5.4.230.0070.04019.05
5.4.220.0100.07319.11
5.4.210.0130.06319.11
5.4.200.0100.04719.09
5.4.190.0030.06018.91
5.4.180.0130.06318.93
5.4.170.0070.04319.04
5.4.160.0000.05319.02
5.4.150.0030.06718.92
5.4.140.0300.03316.23
5.4.130.0100.05316.12
5.4.120.0100.05716.34
5.4.110.0000.06016.31
5.4.100.0070.06716.41
5.4.90.0130.04716.43
5.4.80.0030.03716.20
5.4.70.0070.05316.45
5.4.60.0070.04016.35
5.4.50.0030.06316.33
5.4.40.0100.04316.46
5.4.30.0070.06716.26
5.4.20.0030.05716.29
5.4.10.0070.07716.18
5.4.00.0100.04315.73
5.3.290.0030.06314.66
5.3.280.0070.07014.45
5.3.270.0100.07014.59
5.3.260.0100.03714.59
5.3.250.0130.04714.51
5.3.240.0070.06314.44
5.3.230.0170.05714.53
5.3.220.0030.04714.55
5.3.210.0030.04014.42
5.3.200.0030.05014.56
5.3.190.0100.04314.55
5.3.180.0100.07314.43
5.3.170.0000.04714.42
5.3.160.0030.07314.55
5.3.150.0100.05714.54
5.3.140.0070.05314.52
5.3.130.0130.04314.54
5.3.120.0070.07014.41
5.3.110.0070.06014.48
5.3.100.0100.06313.85
5.3.90.0100.05013.98
5.3.80.0100.06313.95
5.3.70.0200.04714.01
5.3.60.0070.05013.87
5.3.50.0070.06313.80
5.3.40.0100.06713.90
5.3.30.0070.03713.76
5.3.20.0070.04313.63
5.3.10.0030.05713.51
5.3.00.0000.05013.54
5.2.170.0030.05011.16
5.2.160.0070.03011.06
5.2.150.0100.05011.00
5.2.140.0030.05011.10
5.2.130.0070.05311.17
5.2.120.0030.04010.95
5.2.110.0030.05711.13
5.2.100.0030.04011.06
5.2.90.0030.05711.14
5.2.80.0130.05311.13
5.2.70.0030.05311.05
5.2.60.0030.06011.00
5.2.50.0000.05310.96
5.2.40.0000.04710.84
5.2.30.0070.04010.82
5.2.20.0000.04011.01
5.2.10.0000.03710.76
5.2.00.0130.05310.72
5.1.60.0030.03710.66
5.1.50.0030.03710.66
5.1.40.0030.02710.66
5.1.30.0000.03010.66
5.1.20.0030.02710.66
5.1.10.0030.02310.66
5.1.00.0030.04710.66
5.0.50.0030.02710.66
5.0.40.0000.02310.66
5.0.30.0070.02710.66
5.0.20.0100.01310.66
5.0.10.0030.01710.66
5.0.00.0100.02310.66
4.4.90.0070.03010.66
4.4.80.0000.02710.66
4.4.70.0030.01710.66
4.4.60.0000.02710.66
4.4.50.0070.02310.66
4.4.40.0000.03710.66
4.4.30.0000.02010.66
4.4.20.0000.01710.66
4.4.10.0000.02010.66
4.4.00.0000.02710.66
4.3.110.0030.01310.66
4.3.100.0030.01310.66
4.3.90.0100.01010.66
4.3.80.0000.02310.66
4.3.70.0070.00710.66
4.3.60.0000.01710.66
4.3.50.0070.01010.66
4.3.40.0030.01710.66
4.3.30.0000.01310.66
4.3.20.0000.01710.66
4.3.10.0030.01010.66
4.3.00.0000.01310.66

preferences:
78.86 ms | 401 KiB | 5 Q