3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = "abcdefghijklmnopqrstuvwxyz"; $b = base64_encode($d); print "len ".strlen($d)."; enc: ". strlen($b).";";

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)
8.3.60.0060.00918.56
8.3.50.0080.00821.14
8.3.40.0070.00718.64
8.3.30.0040.01420.07
8.3.20.0050.00318.48
8.3.10.0050.00320.92
8.3.00.0050.00319.56
8.2.180.0110.01116.63
8.2.170.0040.01122.96
8.2.160.0070.01020.52
8.2.150.0100.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0040.00419.83
8.2.110.0090.00021.12
8.2.100.0090.00617.84
8.2.90.0000.00919.22
8.2.80.0000.00719.21
8.2.70.0030.00617.63
8.2.60.0040.00418.05
8.2.50.0030.00518.07
8.2.40.0060.00319.95
8.2.30.0000.00721.21
8.2.20.0000.00717.64
8.2.10.0000.00717.69
8.2.00.0040.00417.71
8.1.280.0070.00725.92
8.1.270.0080.00023.99
8.1.260.0060.00326.35
8.1.250.0070.00728.09
8.1.240.0040.00422.46
8.1.230.0080.00420.95
8.1.220.0000.00718.77
8.1.210.0080.00019.02
8.1.200.0030.00717.35
8.1.190.0060.00317.41
8.1.180.0040.00418.10
8.1.170.0050.00318.43
8.1.160.0050.00318.88
8.1.150.0040.00418.66
8.1.140.0000.00817.43
8.1.130.0070.00017.87
8.1.120.0000.00717.52
8.1.110.0040.00417.38
8.1.100.0000.00717.49
8.1.90.0070.00017.51
8.1.80.0040.00417.49
8.1.70.0040.00417.42
8.1.60.0060.00617.48
8.1.50.0040.00417.46
8.1.40.0080.00017.56
8.1.30.0000.00817.53
8.1.20.0040.00417.52
8.1.10.0000.00717.46
8.1.00.0060.00317.41
8.0.300.0070.00019.88
8.0.290.0040.00417.16
8.0.280.0080.00018.39
8.0.270.0070.00017.12
8.0.260.0030.00316.74
8.0.250.0040.00416.82
8.0.240.0000.00816.82
8.0.230.0000.00716.98
8.0.220.0040.00416.78
8.0.210.0070.00016.77
8.0.200.0060.00016.97
8.0.190.0000.00716.86
8.0.180.0040.00416.95
8.0.170.0040.00416.91
8.0.160.0000.00717.01
8.0.150.0050.00216.71
8.0.140.0040.00416.80
8.0.130.0000.00613.27
8.0.120.0050.00316.83
8.0.110.0040.00416.94
8.0.100.0060.00316.75
8.0.90.0000.00716.93
8.0.80.0060.00916.89
8.0.70.0050.00216.95
8.0.60.0000.00716.74
8.0.50.0040.00416.97
8.0.30.0120.00617.11
8.0.20.0070.01117.40
8.0.10.0050.00217.00
8.0.00.0100.00816.68
7.4.330.0020.00216.82
7.4.320.0000.00716.50
7.4.300.0000.00616.60
7.4.290.0030.00316.50
7.4.280.0060.00016.48
7.4.270.0000.00716.41
7.4.260.0050.00013.26
7.4.250.0000.00816.46
7.4.240.0040.00416.55
7.4.230.0040.00416.51
7.4.220.0070.01116.58
7.4.210.0070.01016.51
7.4.200.0030.00316.34
7.4.190.0030.00316.70
7.4.160.0090.00616.46
7.4.150.0090.01417.40
7.4.140.0090.00817.86
7.4.130.0140.00716.55
7.4.120.0090.00816.48
7.4.110.0090.01216.48
7.4.100.0110.00816.39
7.4.90.0170.00416.27
7.4.80.0070.01719.39
7.4.70.0090.00916.46
7.4.60.0060.01016.39
7.4.50.0030.00316.49
7.4.40.0060.00622.77
7.4.30.0150.00016.54
7.4.00.0070.01014.96
7.3.330.0000.00512.98
7.3.320.0030.00313.00
7.3.310.0070.00016.14
7.3.300.0040.00416.24
7.3.290.0030.01516.20
7.3.280.0040.01216.29
7.3.270.0180.00617.40
7.3.260.0140.00618.24
7.3.250.0170.00316.51
7.3.240.0090.00916.48
7.3.230.0090.00616.57
7.3.210.0130.00316.35
7.3.200.0060.01619.39
7.3.190.0070.01016.65
7.3.180.0120.00316.31
7.3.170.0060.01116.29
7.3.160.0160.00016.48
7.3.120.0040.01214.77
7.2.330.0100.00716.55
7.2.320.0090.00616.69
7.2.310.0040.01516.31
7.2.300.0100.01016.60
7.2.290.0060.00916.42
7.2.00.0030.01019.57
7.1.100.0000.01118.14
7.1.70.0000.00917.02
7.1.60.0040.01819.24
7.1.50.0070.01116.86
7.1.00.0000.08022.33
7.0.200.0000.00716.81
7.0.140.0070.07022.18
7.0.110.0400.08719.95
7.0.100.0170.04320.10
7.0.90.0200.08019.89
7.0.80.0170.06319.88
7.0.70.0130.08320.06
7.0.60.0130.05019.87
7.0.50.0100.04019.94
7.0.40.0130.07319.88
7.0.30.0030.05019.82
7.0.20.0170.07719.72
7.0.10.0130.06319.73
7.0.00.0070.04019.77
5.6.280.0070.07021.03
5.6.260.0100.03720.59
5.6.250.0070.07320.68
5.6.240.0000.04320.57
5.6.230.0070.08320.81
5.6.220.0170.03720.62
5.6.210.0100.07320.80
5.6.200.0030.09320.68
5.6.190.0130.06320.57
5.6.180.0130.04020.61
5.6.170.0230.06020.63
5.6.160.0130.07020.70
5.6.150.0200.03720.62
5.6.140.0000.05320.63
5.6.130.0100.07720.45
5.6.120.0030.08320.65
5.6.110.0070.07720.63
5.6.100.0100.04320.59
5.6.90.0070.08020.66
5.6.80.0100.07019.93
5.6.70.0100.04019.98
5.6.60.0070.06720.01
5.6.50.0030.04020.06
5.6.40.0130.06020.00
5.6.30.0100.03720.01
5.6.20.0100.04719.89
5.6.10.0070.06019.96
5.6.00.0070.07720.03
5.5.380.0030.07017.55
5.5.370.0100.03317.62
5.5.360.0100.06017.61
5.5.350.0070.07017.44
5.5.340.0070.04717.87
5.5.330.0030.05318.14
5.5.320.0100.06718.09
5.5.310.0070.07718.10
5.5.300.0070.07318.02
5.5.290.0030.07718.02
5.5.280.0030.08318.16
5.5.270.0070.06717.84
5.5.260.0030.08018.01
5.5.250.0070.08317.79
5.5.240.0030.04717.25
5.5.230.0070.04317.24
5.5.220.0100.03317.54
5.5.210.0030.04717.39
5.5.200.0030.05017.48
5.5.190.0030.03717.44
5.5.180.0070.03317.52
5.5.160.0170.06017.20
5.5.150.0070.03717.44
5.5.140.0100.04017.24
5.5.130.0030.04717.33
5.5.120.0130.07017.60
5.5.110.0070.07317.50
5.5.100.0070.07317.29
5.5.90.0070.07017.11
5.5.80.0030.08017.50
5.5.70.0130.07317.40
5.5.60.0070.05016.99
5.5.50.0000.08017.36
5.5.40.0270.06717.26
5.5.30.0230.03017.10
5.5.20.0030.05017.10
5.5.10.0030.04017.13
5.5.00.0070.07717.33
5.4.450.0170.07319.35
5.4.440.0030.05019.30
5.4.430.0070.07719.44
5.4.420.0030.07319.33
5.4.410.0100.07019.45
5.4.400.0070.05718.93
5.4.390.0000.05018.98
5.4.380.0100.07718.96
5.4.370.0000.04018.95
5.4.360.0030.06018.93
5.4.350.0030.03319.16
5.4.340.0070.07019.08
5.4.320.0030.04319.08
5.4.310.0070.04719.01
5.4.300.0100.07018.90
5.4.290.0130.07319.00
5.4.280.0070.05019.00
5.4.270.0030.04718.98
5.4.260.0030.08019.09
5.4.250.0030.06019.02
5.4.240.0030.06318.94
5.4.230.0070.04019.09
5.4.220.0130.06719.24
5.4.210.0100.07718.99
5.4.200.0000.05718.93
5.4.190.0030.07319.15
5.4.180.0070.06319.18
5.4.170.0030.04018.91
5.4.160.0000.05719.22
5.4.150.0170.06318.95
5.4.140.0100.07316.23
5.4.130.0130.06316.21
5.4.120.0170.03716.34
5.4.110.0130.06316.09
5.4.100.0100.06016.50
5.4.90.0130.06716.48
5.4.80.0100.04016.39
5.4.70.0030.07716.36
5.4.60.0030.07016.35
5.4.50.0170.06016.25
5.4.40.0070.07016.31
5.4.30.0030.05716.34
5.4.20.0170.05716.34
5.4.10.0070.03316.38
5.4.00.0170.06715.67
5.3.290.0100.06014.59
5.3.280.0130.05714.50
5.3.270.0070.05314.67
5.3.260.0070.04314.51
5.3.250.0070.05014.53
5.3.240.0030.06314.48
5.3.230.0030.08014.53
5.3.220.0030.04014.51
5.3.210.0070.07314.63
5.3.200.0100.04014.63
5.3.190.0070.08014.50
5.3.180.0030.07314.46
5.3.170.0070.07014.63
5.3.160.0030.06714.35
5.3.150.0030.06714.42
5.3.140.0030.05014.42
5.3.130.0100.03314.48
5.3.120.0170.05014.42
5.3.110.0030.07314.58
5.3.100.0030.07313.98
5.3.90.0100.04313.91
5.3.80.0070.05713.86
5.3.70.0030.05714.03
5.3.60.0070.06014.07
5.3.50.0030.04313.80
5.3.40.0100.07014.04
5.3.30.0070.07013.92
5.3.20.0030.05013.59
5.3.10.0000.05713.59
5.3.00.0030.04013.49
5.2.170.0000.05012.21
5.2.160.0070.03312.21
5.2.150.0070.02712.21
5.2.140.0030.06012.21
5.2.130.0100.05312.21
5.2.120.0000.06312.21
5.2.110.0030.03012.21
5.2.100.0070.03012.21
5.2.90.0070.05712.21
5.2.80.0030.03712.21
5.2.70.0030.05712.21
5.2.60.0100.04312.21
5.2.50.0170.04712.21
5.2.40.0070.04312.21
5.2.30.0100.06012.21
5.2.20.0070.05312.21
5.2.10.0070.05312.21
5.2.00.0100.05712.21
5.1.60.0070.05012.21
5.1.50.0070.02312.21
5.1.40.0030.02712.21
5.1.30.0070.02712.21
5.1.20.0030.02312.21
5.1.10.0030.04712.21
5.1.00.0030.05312.21
5.0.50.0000.02712.21
5.0.40.0000.02312.21
5.0.30.0000.03712.21
5.0.20.0030.03712.21
5.0.10.0030.02012.21
5.0.00.0000.03712.21
4.4.90.0070.03312.21
4.4.80.0030.03312.21
4.4.70.0000.03712.21
4.4.60.0030.03712.21
4.4.50.0100.03012.21
4.4.40.0100.03012.21
4.4.30.0000.03712.21
4.4.20.0030.03312.21
4.4.10.0000.02012.21
4.4.00.0030.05012.21
4.3.110.0000.02012.21
4.3.100.0000.02012.21
4.3.90.0000.02712.21
4.3.80.0000.03012.21
4.3.70.0100.00712.21
4.3.60.0030.01312.21
4.3.50.0000.01712.21
4.3.40.0000.03012.21
4.3.30.0000.01712.21
4.3.20.0000.02012.21
4.3.10.0030.01312.21
4.3.00.0000.01712.21

preferences:
42.9 ms | 401 KiB | 5 Q