3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($message, $seed) { return base64_encode($message.$seed); } function decode($data, $seed) { return substr(base64_decode($data), 0, strlen($seed)*-1); } var_dump($data = encode('hi this is a string','seed123'), decode($data, 'seed123'));

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)
8.3.60.0030.01216.75
8.3.50.0070.01316.53
8.3.40.0100.00618.69
8.3.30.0060.01218.59
8.3.20.0050.00318.68
8.3.10.0060.00318.52
8.3.00.0080.00417.38
8.2.180.0150.00016.50
8.2.170.0110.00422.96
8.2.160.0160.00018.79
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0090.00020.70
8.2.110.0120.00621.04
8.2.100.0080.00417.72
8.2.90.0080.00017.91
8.2.80.0080.00017.97
8.2.70.0040.00417.93
8.2.60.0050.00318.22
8.2.50.0050.00318.10
8.2.40.0030.00519.48
8.2.30.0030.00519.12
8.2.20.0030.00917.56
8.2.10.0080.00017.60
8.2.00.0060.00317.63
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0070.00322.24
8.1.230.0040.00822.62
8.1.220.0000.00817.74
8.1.210.0050.00320.05
8.1.200.0000.00817.36
8.1.190.0000.00817.25
8.1.180.0050.00318.10
8.1.170.0050.00318.49
8.1.160.0040.00418.91
8.1.150.0070.00018.51
8.1.140.0070.00017.21
8.1.130.0070.00017.87
8.1.120.0050.00317.35
8.1.110.0040.00417.30
8.1.100.0000.00717.38
8.1.90.0000.00717.27
8.1.80.0040.00417.30
8.1.70.0030.00317.24
8.1.60.0040.00417.44
8.1.50.0000.00717.46
8.1.40.0000.00817.40
8.1.30.0000.00917.65
8.1.20.0060.00317.59
8.1.10.0000.00717.49
8.1.00.0040.00417.43
8.0.300.0050.00222.03
8.0.290.0060.00316.75
8.0.280.0070.00018.49
8.0.270.0070.00017.18
8.0.260.0070.00016.81
8.0.250.0000.00716.93
8.0.240.0030.00516.92
8.0.230.0030.00316.84
8.0.220.0000.00716.77
8.0.210.0070.00016.81
8.0.200.0070.00016.91
8.0.190.0000.00916.98
8.0.180.0030.00516.91
8.0.170.0040.00416.73
8.0.160.0040.00316.87
8.0.150.0000.00816.91
8.0.140.0080.00016.81
8.0.130.0050.00013.35
8.0.120.0100.00016.85
8.0.110.0070.00016.74
8.0.100.0040.00416.89
8.0.90.0070.00016.75
8.0.80.0130.00916.89
8.0.70.0040.00416.94
8.0.60.0040.00416.72
8.0.50.0000.00716.76
8.0.30.0070.00716.79
8.0.20.0050.01217.17
8.0.10.0040.00416.84
8.0.00.0150.00616.67
7.4.330.0000.00512.88
7.4.320.0070.00016.55
7.4.300.0060.00016.59
7.4.290.0000.00616.58
7.4.280.0040.00416.63
7.4.270.0000.00716.59
7.4.260.0000.00513.26
7.4.250.0030.00616.54
7.4.240.0000.00716.51
7.4.230.0070.00016.46
7.4.220.0090.00916.50
7.4.210.0100.00716.61
7.4.200.0040.00416.42
7.4.190.0080.00016.38
7.4.160.0030.01316.46
7.4.150.0070.01016.36
7.4.140.0040.01416.43
7.4.130.0190.01016.49
7.4.120.0060.01116.38
7.4.110.0120.00616.61
7.4.100.0150.00616.62
7.4.90.0080.01116.46
7.4.80.0060.01019.39
7.4.70.0030.01516.46
7.4.60.0120.00316.51
7.4.50.0090.00316.36
7.4.40.0000.01016.62
7.4.30.0120.00916.45
7.4.00.0060.01015.07
7.3.330.0000.00613.22
7.3.320.0020.00213.08
7.3.310.0000.00716.41
7.3.300.0000.00616.23
7.3.290.0100.00616.34
7.3.280.0130.00616.34
7.3.270.0160.00016.55
7.3.260.0160.00516.48
7.3.250.0180.00516.40
7.3.240.0110.01316.34
7.3.230.0190.00316.56
7.3.210.0070.01016.47
7.3.200.0100.00616.49
7.3.190.0070.01116.44
7.3.180.0110.00716.44
7.3.170.0100.00716.44
7.3.160.0070.01616.43
7.3.120.0070.00714.80
7.2.330.0030.01516.54
7.2.320.0060.01216.74
7.2.310.0090.01416.41
7.2.300.0030.01416.58
7.2.290.0040.01216.41
7.2.00.0040.01119.17
7.1.100.0040.01118.14
7.1.70.0000.00917.27
7.1.60.0120.01219.30
7.1.50.0070.01416.76
7.1.00.0000.07722.41
7.0.200.0040.00816.77
7.0.140.0070.07021.95
7.0.120.0000.04322.05
7.0.60.0070.07719.97
7.0.50.0070.05317.88
7.0.40.0030.04320.18
7.0.30.0670.03720.10
7.0.20.0270.07020.06
7.0.10.0270.08020.30
7.0.00.0070.05720.07
5.6.280.0030.07320.86
5.6.210.0030.08320.65
5.6.200.0030.06018.27
5.6.190.0000.06320.63
5.6.180.0330.08320.61
5.6.170.0270.06720.54
5.6.160.0130.06320.50
5.6.150.0100.04018.29
5.6.140.0130.04718.23
5.6.130.0100.07718.17
5.6.120.0070.08721.14
5.6.110.0100.06721.04
5.6.100.0100.08721.05
5.6.90.0100.07720.88
5.6.80.0030.04020.51
5.6.70.0330.07020.38
5.5.350.0200.07720.41
5.5.340.0070.08317.92
5.5.330.0070.04020.27
5.5.320.0370.05720.27
5.5.310.0270.07720.27
5.5.300.0070.04317.95
5.5.290.0070.04017.98
5.5.280.0000.05320.77
5.5.270.0100.08020.96
5.5.260.0170.05720.97
5.5.250.0030.04020.62
5.5.240.0070.08320.26
5.4.450.0000.04719.35
5.4.440.0130.07319.34
5.4.430.0070.04019.46
5.4.420.0030.04719.47
5.4.410.0070.04319.43
5.4.400.0130.07319.25
5.4.390.0070.03719.14
5.4.380.0000.05719.01
5.4.370.0030.04019.14
5.4.360.0070.07319.23
5.4.350.0030.06319.25
5.4.340.0100.07318.87
5.4.320.0070.06719.08
5.4.310.0130.04019.20
5.4.300.0100.05019.00
5.4.290.0100.06019.14
5.4.280.0070.07719.25
5.4.270.0070.06719.24
5.4.260.0100.07019.24
5.4.250.0030.04019.00
5.4.240.0070.08018.85
5.4.230.0030.05019.20
5.4.220.0030.08719.00
5.4.210.0070.07318.97
5.4.200.0030.07719.19
5.4.190.0170.04018.84
5.4.180.0170.03719.00
5.4.170.0070.07719.14
5.4.160.0030.07719.14
5.4.150.0070.03719.22
5.4.140.0070.07316.45
5.4.130.0100.04716.46
5.4.120.0100.04316.34
5.4.110.0100.06316.54
5.4.100.0030.03716.54
5.4.90.0100.06716.32
5.4.80.0070.03316.44
5.4.70.0100.04016.44
5.4.60.0200.05316.39
5.4.50.0030.04316.34
5.4.40.0100.03316.40
5.4.30.0100.07016.46
5.4.20.0070.07016.25
5.4.10.0030.06716.34
5.4.00.0030.07015.79
5.3.290.0070.05014.67
5.3.280.0070.06014.51
5.3.270.0000.05714.63
5.3.260.0100.06714.66
5.3.250.0100.03714.64
5.3.240.0000.08014.61
5.3.230.0030.07014.60
5.3.220.0030.05314.60
5.3.210.0070.07714.60
5.3.200.0170.08014.73
5.3.190.0030.04714.60
5.3.180.0030.03714.73
5.3.170.0130.03014.55
5.3.160.0100.06314.60
5.3.150.0030.07714.52
5.3.140.0100.07314.71
5.3.130.0170.05714.63
5.3.120.0030.06714.60
5.3.110.0070.07714.55
5.3.100.0130.06014.19
5.3.90.0030.06714.09
5.3.80.0170.04313.91
5.3.70.0070.03714.18
5.3.60.0130.03314.16
5.3.50.0130.06713.98
5.3.40.0030.06313.97
5.3.30.0000.04013.91
5.3.20.0000.07713.86
5.3.10.0200.05713.63
5.3.00.0000.04313.69
5.2.170.0130.05711.30
5.2.160.0070.05011.22
5.2.150.0070.05711.07
5.2.140.0000.04011.07
5.2.130.0070.04311.12
5.2.120.0030.04011.15
5.2.110.0030.06711.20
5.2.100.0100.05311.02
5.2.90.0030.06010.98
5.2.80.0030.04011.15
5.2.70.0070.05011.11
5.2.60.0030.06311.11
5.2.50.0030.06310.91
5.2.40.0100.05710.89
5.2.30.0070.05711.13
5.2.20.0030.06011.02
5.2.10.0000.06310.87
5.2.00.0070.02710.71
5.1.60.0070.0509.96
5.1.50.0100.03310.06
5.1.40.0030.0379.90
5.1.30.0070.04010.39
5.1.20.0070.05010.31
5.1.10.0070.05010.24
5.1.00.0070.04010.08
5.0.50.0000.0508.59
5.0.40.0000.0478.48
5.0.30.0030.0608.25
5.0.20.0100.0408.12
5.0.10.0030.0438.23
5.0.00.0070.0478.23
4.4.90.0030.0237.96
4.4.80.0000.0307.96
4.4.70.0030.0377.96
4.4.60.0000.0377.96
4.4.50.0070.0277.96
4.4.40.0070.0477.96
4.4.30.0070.0277.96
4.4.20.0070.0307.96
4.4.10.0030.0337.96
4.4.00.0000.0507.96
4.3.110.0000.0277.96
4.3.100.0030.0337.96
4.3.90.0030.0237.96
4.3.80.0030.0537.96
4.3.70.0000.0407.96
4.3.60.0030.0137.96
4.3.50.0030.0207.96
4.3.40.0030.0537.96
4.3.30.0000.0237.96
4.3.20.0000.0337.96
4.3.10.0000.0207.96
4.3.00.0070.0307.96

preferences:
47.81 ms | 401 KiB | 5 Q