3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = "abcdefghijklmnopqrstuvwxyz"; $b = base64_encode($d); print "len ".count($d)."; enc: ". count($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)
8.3.60.0100.00718.43
8.3.50.0100.00921.94
8.3.40.0140.00018.71
8.3.30.0100.00720.17
8.3.20.0050.00318.80
8.3.10.0000.00821.21
8.3.00.0060.00319.79
8.2.180.0150.00616.38
8.2.170.0030.01022.96
8.2.160.0100.00720.52
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00019.77
8.2.110.0070.00320.35
8.2.100.0040.00817.72
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0050.00317.49
8.2.60.0030.00617.93
8.2.50.0000.00918.07
8.2.40.0070.00219.76
8.2.30.0030.00319.35
8.2.20.0040.00417.60
8.2.10.0000.00717.80
8.2.00.0030.00517.91
8.1.280.0110.00425.92
8.1.270.0000.00823.99
8.1.260.0000.00726.35
8.1.250.0040.01128.09
8.1.240.0090.00022.05
8.1.230.0070.00417.51
8.1.220.0040.00417.91
8.1.210.0080.00018.77
8.1.200.0030.00617.25
8.1.190.0060.00317.66
8.1.180.0000.00818.10
8.1.170.0000.00718.57
8.1.160.0000.00718.88
8.1.150.0000.00718.66
8.1.140.0030.00517.36
8.1.130.0030.00517.86
8.1.120.0000.00717.50
8.1.110.0070.00017.41
8.1.100.0000.00717.49
8.1.90.0070.00017.47
8.1.80.0080.00017.45
8.1.70.0030.00317.42
8.1.60.0100.00017.49
8.1.50.0040.00417.52
8.1.40.0040.00417.52
8.1.30.0080.00017.55
8.1.20.0040.00417.48
8.1.10.0000.00717.59
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00518.38
8.0.270.0040.00417.18
8.0.260.0030.00518.41
8.0.250.0000.00716.84
8.0.240.0030.00516.95
8.0.230.0030.00316.87
8.0.220.0000.00716.86
8.0.210.0030.00316.92
8.0.200.0030.00316.80
8.0.190.0000.00716.84
8.0.180.0040.00416.90
8.0.170.0030.00516.93
8.0.160.0000.00716.88
8.0.150.0030.00316.99
8.0.140.0040.00416.89
8.0.130.0030.00313.33
8.0.120.0040.00416.80
8.0.110.0040.00416.93
8.0.100.0030.00516.89
8.0.90.0000.00716.75
8.0.80.0030.01216.98
8.0.70.0080.00016.93
8.0.60.0000.00816.81
8.0.50.0050.00216.84
8.0.30.0150.00317.19
8.0.20.0140.00817.40
8.0.10.0070.00017.10
8.0.00.0130.00716.65
7.4.330.0050.00016.84
7.4.320.0030.00316.50
7.4.300.0000.00616.59
7.4.290.0070.00016.42
7.4.280.0000.00616.47
7.4.270.0070.00016.57
7.4.260.0030.00313.27
7.4.250.0000.00816.32
7.4.240.0000.00816.52
7.4.230.0070.00016.40
7.4.220.0110.01116.47
7.4.210.0100.00716.56
7.4.200.0070.00016.29
7.4.190.0030.00316.55
7.4.160.0070.01316.60
7.4.150.0110.00617.40
7.4.140.0130.01017.86
7.4.130.0120.00816.55
7.4.120.0090.00916.51
7.4.110.0120.00616.53
7.4.100.0060.01216.53
7.4.90.0110.00716.49
7.4.80.0130.00819.39
7.4.70.0190.00316.32
7.4.60.0060.01016.52
7.4.50.0000.00816.57
7.4.40.0060.00922.77
7.4.30.0050.01316.32
7.4.00.0100.00815.13
7.3.330.0050.00013.18
7.3.320.0020.00213.16
7.3.310.0000.00716.37
7.3.300.0000.00716.17
7.3.290.0000.01416.37
7.3.280.0120.00416.33
7.3.270.0150.00317.40
7.3.260.0100.01018.24
7.3.250.0080.01016.37
7.3.240.0070.01016.31
7.3.230.0120.00916.59
7.3.210.0140.00316.64
7.3.200.0090.01519.39
7.3.190.0090.00916.49
7.3.180.0130.00316.46
7.3.170.0100.00916.28
7.3.160.0100.00716.22
7.3.120.0030.01314.80
7.3.110.0070.00714.88
7.3.100.0030.01514.79
7.3.90.0090.00614.83
7.3.80.0080.00414.98
7.3.70.0000.01014.94
7.3.60.0000.01514.93
7.3.50.0040.00814.82
7.3.40.0100.00314.62
7.3.30.0070.00714.88
7.3.20.0060.00916.75
7.3.10.0090.00616.81
7.3.00.0090.00916.82
7.2.330.0070.01416.53
7.2.320.0120.00916.72
7.2.310.0120.01216.36
7.2.300.0070.01016.74
7.2.290.0070.01016.85
7.2.250.0040.01115.06
7.2.240.0100.00614.82
7.2.230.0060.00614.98
7.2.220.0090.00615.27
7.2.210.0040.01115.02
7.2.200.0000.01215.06
7.2.190.0030.01315.14
7.2.180.0090.00314.82
7.2.170.0070.00715.06
7.2.60.0070.01016.80
7.2.00.0040.00819.45
7.1.330.0060.00615.64
7.1.320.0090.00615.54
7.1.310.0060.00915.61
7.1.300.0100.00315.39
7.1.290.0070.00715.69
7.1.280.0120.00015.79
7.1.270.0100.00615.61
7.1.260.0120.00615.94
7.1.200.0100.00315.55
7.1.100.0000.01618.09
7.1.70.0000.01117.07
7.1.60.0140.01019.24
7.1.50.0130.01016.57
7.1.00.0030.07022.30
7.0.200.0050.00216.62
7.0.140.0100.06722.16
7.0.100.0270.08319.94
7.0.90.0300.09019.91
7.0.80.0330.07719.85
7.0.70.0400.07019.86
7.0.60.0330.04719.90
7.0.50.0170.07720.29
7.0.40.0030.05320.04
7.0.30.0070.08319.95
7.0.20.0030.08020.05
7.0.10.0170.04020.16
7.0.00.0100.08320.07
5.6.280.0000.07721.03
5.6.250.0030.08320.61
5.6.240.0030.08020.58
5.6.230.0070.04320.51
5.6.220.0100.07020.55
5.6.210.0030.08020.63
5.6.200.0170.07321.03
5.6.190.0170.07021.03
5.6.180.0100.06321.00
5.6.170.0100.07320.99
5.6.160.0070.08721.00
5.6.150.0100.07020.93
5.6.140.0070.08321.05
5.6.130.0130.08021.02
5.6.120.0100.07721.08
5.6.110.0100.08020.93
5.6.100.0070.08321.14
5.6.90.0130.07720.90
5.6.80.0130.07320.54
5.6.70.0030.06720.33
5.6.60.0130.04020.30
5.6.50.0130.08020.28
5.6.40.0030.04020.51
5.6.30.0030.04320.44
5.6.20.0130.03020.43
5.6.10.0100.03320.40
5.6.00.0030.04020.28
5.5.380.0100.07720.29
5.5.370.0130.07320.33
5.5.360.0100.08320.34
5.5.350.0100.07320.28
5.5.340.0070.07320.76
5.5.330.0070.07020.88
5.5.320.0000.05320.88
5.5.310.0070.07320.71
5.5.300.0000.07320.74
5.5.290.0070.05020.90
5.5.280.0030.08720.89
5.5.270.0100.08020.89
5.5.260.0070.08020.84
5.5.250.0070.08320.69
5.5.240.0100.07320.27
5.5.230.0070.05320.00
5.5.220.0030.08320.27
5.5.210.0170.06320.24
5.5.200.0000.04320.16
5.5.190.0070.04320.11
5.5.180.0000.05720.17
5.5.160.0070.04020.25
5.5.150.0000.04020.18
5.5.140.0070.04719.97
5.5.130.0070.04020.23
5.5.120.0030.04020.13
5.5.110.0070.03720.23
5.5.100.0030.03720.04
5.5.90.0030.07020.02
5.5.80.0030.04020.05
5.5.70.0030.04020.04
5.5.60.0130.03019.90
5.5.50.0030.04020.05
5.5.40.0070.03720.10
5.5.30.0070.03720.07
5.5.20.0070.03719.96
5.5.10.0000.04720.06
5.5.00.0070.03720.09
5.4.450.0130.07019.14
5.4.440.0100.07019.44
5.4.430.0130.07019.55
5.4.420.0100.07019.30
5.4.410.0100.07319.20
5.4.400.0030.07319.13
5.4.390.0030.08318.83
5.4.380.0070.07319.03
5.4.370.0200.04019.12
5.4.360.0100.03318.81
5.4.350.0100.03318.81
5.4.340.0030.04019.03
5.4.320.0070.03318.81
5.4.310.0170.02719.12
5.4.300.0070.03319.12
5.4.290.0000.03719.04
5.4.280.0000.04319.14
5.4.270.0000.04318.98
5.4.260.0030.04018.80
5.4.250.0070.03718.93
5.4.240.0030.03719.02
5.4.230.0000.04019.12
5.4.220.0100.03319.08
5.4.210.0000.04019.04
5.4.200.0070.03719.04
5.4.190.0070.03319.02
5.4.180.0070.03719.22
5.4.170.0070.03718.79
5.4.160.0000.04019.00
5.4.150.0100.03319.10
5.4.140.0030.03716.00
5.4.130.0030.03716.30
5.4.120.0030.03316.31
5.4.110.0070.03316.30
5.4.100.0030.03716.41
5.4.90.0000.03316.30
5.4.80.0030.03716.32
5.4.70.0030.03016.19
5.4.60.0070.03316.18
5.4.50.0030.03716.18
5.4.40.0070.02716.27
5.4.30.0100.03016.19
5.4.20.0030.03016.32
5.4.10.0000.04716.21
5.4.00.0100.03015.79
5.3.290.0030.03714.48
5.3.280.0070.04314.41
5.3.270.0000.05014.44
5.3.260.0100.03314.61
5.3.250.0100.05314.44
5.3.240.0070.03314.46
5.3.230.0000.04714.60
5.3.220.0000.03714.51
5.3.210.0000.04014.51
5.3.200.0030.03714.42
5.3.190.0030.03714.55
5.3.180.0030.04014.42
5.3.170.0000.04014.55
5.3.160.0000.04014.42
5.3.150.0100.03014.50
5.3.140.0000.03314.54
5.3.130.0130.03314.55
5.3.120.0070.03014.40
5.3.110.0030.04014.45
5.3.100.0030.03013.89
5.3.90.0030.05713.97
5.3.80.0030.03713.97
5.3.70.0070.04013.88
5.3.60.0030.07713.86
5.3.50.0000.07313.80
5.3.40.0100.07013.95
5.3.30.0170.06013.78
5.3.20.0130.06013.46
5.3.10.0170.06013.41
5.3.00.0000.06313.61
5.2.170.0100.04011.21
5.2.160.0070.05710.98
5.2.150.0030.06011.06
5.2.140.0030.06011.18
5.2.130.0100.05311.08
5.2.120.0070.06010.93
5.2.110.0070.04011.12
5.2.100.0030.06311.15
5.2.90.0070.05310.96
5.2.80.0070.06311.14
5.2.70.0200.02011.18
5.2.60.0100.03310.99
5.2.50.0070.04310.94
5.2.40.0100.05311.03
5.2.30.0030.05010.96
5.2.20.0030.06310.91
5.2.10.0100.05310.95
5.2.00.0130.05010.71
5.1.60.0030.0509.99
5.1.50.0000.0579.82
5.1.40.0070.0509.96
5.1.30.0000.05710.39
5.1.20.0070.05010.27
5.1.10.0070.05710.11
5.1.00.0030.05710.13
5.0.50.0000.0508.56
5.0.40.0030.0408.56
5.0.30.0030.0508.56
5.0.20.0000.0438.56
5.0.10.0030.0338.56
5.0.00.0030.0638.56
4.4.90.0000.0338.56
4.4.80.0030.0338.56
4.4.70.0000.0278.56
4.4.60.0030.0138.56
4.4.50.0030.0278.56
4.4.40.0000.0538.56
4.4.30.0070.0338.56
4.4.20.0030.0338.56
4.4.10.0000.0378.56
4.4.00.0000.0538.56
4.3.110.0000.0378.56
4.3.100.0070.0308.56
4.3.90.0070.0338.56
4.3.80.0030.0278.56
4.3.70.0000.0238.56
4.3.60.0030.0238.56
4.3.50.0000.0338.56
4.3.40.0030.0238.56
4.3.30.0000.0308.56
4.3.20.0000.0378.56
4.3.10.0030.0338.56
4.3.00.0000.0278.56

preferences:
42.78 ms | 401 KiB | 5 Q