3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo base64_encode('hello' . ':' . 'how are you?');

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)
8.4.120.0090.00920.46
8.4.110.0130.00422.38
8.4.100.0070.00517.59
8.4.90.0060.00418.56
8.4.80.0140.00717.76
8.4.70.0130.00718.03
8.4.60.0070.00218.75
8.4.50.0050.00320.52
8.4.40.0180.00617.41
8.4.30.0100.01020.50
8.4.20.0060.00317.75
8.4.10.0040.00423.61
8.3.250.0090.01018.95
8.3.240.0090.00917.05
8.3.230.0110.00916.52
8.3.220.0080.00817.30
8.3.210.0110.00916.56
8.3.200.0070.00416.59
8.3.190.0100.00918.82
8.3.180.0100.00916.86
8.3.170.0120.00619.11
8.3.160.0090.01018.32
8.3.150.0000.00818.80
8.3.140.0090.00417.23
8.3.130.0050.00318.14
8.3.120.0060.00318.79
8.3.110.0070.00016.35
8.3.100.0030.00616.39
8.3.90.0040.00426.77
8.3.80.0050.00516.50
8.3.70.0110.00416.58
8.3.60.0140.00018.18
8.3.50.0100.01019.94
8.3.40.0070.00720.88
8.3.30.0000.01418.79
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0000.00826.16
8.2.290.0090.00422.10
8.2.280.0170.00318.44
8.2.270.0050.00917.14
8.2.260.0070.01016.89
8.2.250.0090.00616.46
8.2.240.0090.00018.15
8.2.230.0060.00320.94
8.2.220.0050.00524.06
8.2.210.0030.00726.77
8.2.200.0070.00416.63
8.2.190.0150.00318.16
8.2.180.0090.00925.92
8.2.170.0000.01418.91
8.2.160.0100.01022.96
8.2.150.0050.00225.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0070.00021.06
8.2.110.0090.01220.47
8.2.100.0080.00417.84
8.2.90.0050.00317.72
8.2.80.0000.00817.97
8.2.70.0080.00018.04
8.2.60.0050.00217.97
8.2.50.0030.00617.55
8.2.40.0040.00417.62
8.2.30.0080.00017.88
8.2.20.0040.00420.43
8.2.10.0030.00517.91
8.2.00.0050.00319.02
8.1.330.0110.00821.60
8.1.320.0080.01117.48
8.1.310.0120.00616.44
8.1.300.0040.00417.40
8.1.290.0060.00330.84
8.1.280.0130.00725.92
8.1.270.0070.00023.99
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.79
8.1.230.0080.00422.75
8.1.220.0030.00717.74
8.1.210.0000.00818.77
8.1.200.0080.00417.11
8.1.190.0030.00517.10
8.1.180.0030.00518.10
8.1.170.0000.00817.62
8.1.160.0050.00318.75
8.1.150.0000.00718.49
8.1.140.0040.00417.31
8.1.130.0070.00018.72
8.1.120.0000.00717.32
8.1.110.0000.00717.24
8.1.100.0000.00717.33
8.1.90.0000.00717.22
8.1.80.0070.00017.16
8.1.70.0040.00417.29
8.1.60.0140.00517.34
8.1.50.0180.00517.19
8.1.40.0180.00417.35
8.1.30.0200.00217.50
8.1.20.0170.00317.42
8.1.10.0110.00817.41
8.1.00.0140.00517.29
8.0.300.0040.00419.63
8.0.290.0050.00316.63
8.0.280.0000.00718.28
8.0.270.0000.00716.74
8.0.260.0040.00418.27
8.0.250.0030.00316.79
8.0.240.0000.00716.88
8.0.230.0080.00016.73
8.0.220.0070.00016.65
8.0.210.0070.00016.73
8.0.200.0050.00316.82
8.0.190.0000.01416.71
8.0.180.0110.00516.77
8.0.170.0060.00916.52
8.0.160.0100.00716.70
8.0.150.0150.00016.63
8.0.140.0080.00816.55
8.0.130.0080.00816.50
8.0.120.0090.00916.64
8.0.110.0110.00416.69
8.0.100.0150.00016.52
8.0.90.0110.00016.62
8.0.80.0080.00316.71
8.0.70.0050.00516.68
8.0.60.0110.00316.62
8.0.50.0140.00016.48
8.0.30.0070.00416.77
8.0.20.0080.00416.82
8.0.10.0110.00316.88
7.4.330.0020.00215.55
7.4.320.0030.00316.42
7.4.300.0030.00316.25
7.4.290.0070.00716.43
7.4.280.0080.01016.42
7.4.270.0100.00416.35
7.4.260.0190.00016.30
7.4.250.0060.01216.35
7.4.240.0120.00516.31
7.4.230.0100.00516.32
7.4.220.0120.00316.23
7.4.210.0150.00016.22
7.4.200.0080.00816.44
7.4.190.0160.00016.32
7.4.180.0130.00316.46
7.4.160.0090.00616.44
7.4.150.0120.00416.23
7.4.140.0120.00316.40
7.4.130.0080.00816.30
7.4.120.0120.00316.32
7.4.110.0070.00716.17
7.4.100.0120.00216.18
7.4.90.0160.00016.32
7.4.80.0150.00316.27
7.4.70.0110.00416.40
7.4.60.0100.00516.18
7.4.50.0080.00616.32
7.4.40.0090.00616.26
7.4.30.0120.00316.34
7.4.20.0120.00416.27
7.4.10.0150.00016.26
7.4.00.0150.00016.24

preferences:
27.55 ms | 403 KiB | 5 Q