3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo generateKey(); function generateKey() { return base64encode(randBuffer(48)); } function base64encode($buf) { $enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; return $enc; } function randBuffer($n) { return openssl_random_pseudo_bytes($n); }

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)
8.3.60.0170.00018.43
8.3.50.0260.00522.10
8.3.40.0120.00318.81
8.3.30.0120.00319.24
8.3.20.0070.00020.29
8.3.10.0040.00423.66
8.3.00.0040.00420.93
8.2.180.0110.01116.75
8.2.170.0070.00722.96
8.2.160.0120.00920.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.83
8.2.110.0030.00720.91
8.2.100.0030.01017.91
8.2.90.0000.00819.13
8.2.80.0050.00317.97
8.2.70.0130.00017.75
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0000.00818.09
8.2.30.0000.00718.07
8.2.20.0050.00217.67
8.2.10.0000.00717.87
8.2.00.0090.00017.76
8.1.280.0170.00325.92
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0060.00322.30
8.1.230.0000.01217.76
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.46
8.1.160.0000.00821.87
8.1.150.0000.00718.52
8.1.140.0030.00617.34
8.1.130.0000.00717.76
8.1.120.0050.00317.36
8.1.110.0040.00417.29
8.1.100.0030.00317.18
8.1.90.0000.00717.26
8.1.80.0000.00917.22
8.1.70.0070.00017.32
8.1.60.0000.00817.45
8.1.50.0000.00817.50
8.1.40.0000.00817.52
8.1.30.0080.00017.65
8.1.20.0000.00717.46
8.1.10.0040.00417.49
8.1.00.0040.00717.30
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0000.00718.38
8.0.270.0040.00417.14
8.0.260.0030.00317.07
8.0.250.0000.00716.95
8.0.240.0030.00316.93
8.0.230.0030.00316.87
8.0.220.0030.00316.80
8.0.210.0050.00316.88
8.0.200.0060.00016.82
8.0.190.0090.00016.98
8.0.180.0000.00716.85
8.0.170.0050.00316.81
8.0.160.0000.00716.89
8.0.150.0040.00416.86
8.0.140.0000.00716.82
8.0.130.0030.00313.36
8.0.120.0000.00816.82
8.0.110.0040.00416.92
8.0.100.0030.00516.89
8.0.90.0040.00416.84
8.0.80.0060.00916.85
8.0.70.0040.00416.96
8.0.60.0050.00316.74
8.0.50.0040.00417.01
8.0.30.0090.01016.98
8.0.20.0120.00717.40
8.0.10.0000.00716.94
8.0.00.0070.01016.59
7.4.330.0050.00015.00
7.4.320.0070.00016.41
7.4.300.0030.00316.46
7.4.290.0030.00516.55
7.4.280.0000.00716.45
7.4.270.0000.00716.52
7.4.260.0030.00516.42
7.4.250.0000.00816.31
7.4.240.0020.00516.41
7.4.230.0000.00716.34
7.4.220.0060.01216.60
7.4.210.0070.00716.41
7.4.200.0000.00716.29
7.4.160.0040.01216.25
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0110.00616.64
7.4.120.0090.00916.48
7.4.110.0030.01516.49
7.4.100.0030.01316.48
7.4.90.0100.00716.43
7.4.80.0140.00919.39
7.4.70.0120.00916.64
7.4.60.0180.00616.38
7.4.50.0000.00916.34
7.4.40.0030.01516.42
7.4.30.0070.01016.41
7.3.330.0050.00013.19
7.3.320.0030.00313.10
7.3.310.0000.00716.20
7.3.300.0000.00716.32
7.3.290.0110.00416.32
7.3.280.0070.01316.31
7.3.270.0110.00617.40
7.3.260.0090.00916.66
7.3.250.0120.00516.32
7.3.240.0090.00916.47
7.3.230.0130.00316.39
7.3.210.0080.00816.33
7.3.200.0070.01019.39
7.3.190.0080.00816.50
7.3.180.0070.01116.30
7.3.170.0030.01716.30
7.3.160.0060.00916.25
7.2.330.0130.00616.64
7.2.320.0090.00916.27
7.2.310.0060.01116.49
7.2.300.0100.00716.27
7.2.290.0060.01216.47
7.1.70.0000.00917.00
7.1.60.0070.01619.70
7.1.50.0070.01017.09
7.1.00.0070.07322.46
7.0.200.0000.00916.89
7.0.140.0030.07321.93
7.0.60.0100.04720.09
7.0.50.0030.05017.91
7.0.40.0070.05720.09
7.0.30.0130.05320.26
7.0.20.0270.08020.22
7.0.10.0130.08320.34
7.0.00.0130.07720.09
5.6.280.0070.07021.15
5.6.210.0130.06020.68
5.6.200.0070.06718.14
5.6.190.0170.07320.47
5.6.180.0100.08320.46
5.6.170.0230.04020.45
5.6.160.0100.04320.48
5.6.150.0100.07318.22
5.6.140.0100.07718.27
5.6.130.0000.07018.24
5.6.120.0100.06720.88
5.6.110.0000.09721.17
5.6.100.0030.08321.15
5.6.90.0130.03721.04
5.6.80.0100.07720.45
5.6.70.4370.04320.41
5.5.350.0100.08720.41
5.5.340.0070.03718.05
5.5.330.0070.07020.27
5.5.320.0100.07020.36
5.5.310.0270.05020.35
5.5.300.0070.04018.02
5.5.290.0030.08318.05
5.5.280.0100.06320.91
5.5.270.0070.03720.76
5.5.260.0030.04320.94
5.5.250.0070.08020.75
5.5.240.0100.03320.19
5.4.450.0230.04330.86
5.4.440.0170.05330.86
5.4.430.0300.03329.93
5.4.420.0200.03329.93
5.4.410.0330.04329.93
5.4.400.0100.05329.93
5.4.390.0430.04329.93
5.4.380.0170.05018.62
5.4.370.0200.04718.74
5.4.360.0170.04718.80
5.4.350.0230.04718.80
5.4.340.0200.04718.72
5.4.320.0050.04212.51
5.4.310.0080.03512.50
5.4.300.0030.04312.50
5.4.290.0070.05112.50
5.4.280.0090.03612.39
5.4.270.0070.04312.40
5.4.260.0060.04712.40
5.4.250.0050.05012.40
5.4.240.0060.04212.39
5.4.230.0060.04112.39
5.4.220.0110.05012.39
5.4.210.0060.04012.39
5.4.200.0070.04712.39
5.4.190.0050.05212.39
5.4.180.0120.04612.39
5.4.170.0060.04412.39
5.4.160.0040.04212.39
5.4.150.0090.03712.39
5.4.140.0070.04312.07
5.4.130.0060.03712.06
5.4.120.0050.03812.02
5.4.110.0070.03912.01
5.4.100.0090.04112.01
5.4.90.0060.04412.01
5.4.80.0100.04912.01
5.4.70.0120.04412.00
5.4.60.0090.03612.00
5.4.50.0070.03912.01
5.4.40.0110.03512.00
5.4.30.0090.03811.99
5.4.20.0060.04112.00
5.4.10.0080.03911.99
5.4.00.0060.03711.48
5.3.290.0080.03712.80
5.3.280.0100.03512.71
5.3.270.0110.04012.72
5.3.260.0080.04012.72
5.3.250.0070.03612.72
5.3.240.0080.03512.72
5.3.230.0060.04012.71
5.3.220.0080.04312.68
5.3.210.0050.04612.68
5.3.200.0090.04012.68
5.3.190.0060.04212.68
5.3.180.0070.04412.68
5.3.170.0110.04312.67
5.3.160.0090.03812.68
5.3.150.0080.04012.68
5.3.140.0080.04312.66
5.3.130.0060.04312.66
5.3.120.0090.04212.65
5.3.110.0050.05512.66
5.3.100.0070.04312.13
5.3.90.0100.04212.11
5.3.80.0110.03612.10
5.3.70.0070.04112.10
5.3.60.0060.04512.08
5.3.50.0100.03312.03
5.3.40.0090.04312.02
5.3.30.0060.04111.98
5.3.20.0060.04111.77
5.3.10.0050.04211.74
5.3.00.0080.04011.73
5.2.170.0080.0309.23
5.2.160.0050.0349.23
5.2.150.0080.0339.23
5.2.140.0050.0429.23
5.2.130.0060.0399.19
5.2.120.0050.0419.19
5.2.110.0060.0329.18
5.2.100.0110.0369.18
5.2.90.0050.0329.18
5.2.80.0060.0419.18
5.2.70.0080.0409.18
5.2.60.0060.0309.14
5.2.50.0050.0319.11
5.2.40.0040.0319.09
5.2.30.0060.0309.05
5.2.20.0070.0339.05
5.2.10.0080.0278.95
5.2.00.0070.0298.81
5.1.60.0050.0268.09
5.1.50.0070.0278.09
5.1.40.0060.0288.07
5.1.30.0090.0298.42
5.1.20.0050.0338.44
5.1.10.0050.0358.18
5.1.00.0020.0328.17
5.0.50.0040.0226.64
5.0.40.0070.0256.51
5.0.30.0030.0326.32
5.0.20.0030.0236.29
5.0.10.0020.0236.27
5.0.00.0050.0316.26
4.4.90.0060.0164.78
4.4.80.0030.0174.75
4.4.70.0010.0174.76
4.4.60.0040.0154.75
4.4.50.0010.0184.77
4.4.40.0010.0274.71
4.4.30.0040.0174.76
4.4.20.0000.0194.84
4.4.10.0030.0154.85
4.4.00.0040.0304.76
4.3.110.0030.0224.66
4.3.100.0030.0214.66
4.3.90.0020.0184.63
4.3.80.0010.0334.58
4.3.70.0020.0224.63
4.3.60.0050.0194.63
4.3.50.0010.0244.63
4.3.40.0050.0304.54
4.3.30.0040.0203.30
4.3.20.0010.0213.28
4.3.10.0030.0153.25
4.3.00.0000.01329.93

preferences:
59.17 ms | 400 KiB | 5 Q