3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string ='6370da0ad26d36846d1877b8c005c398-us2'; $encode = base64_encode('myuser: '.$string); var_dump($encode);

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)
8.3.60.0120.00618.39
8.3.50.0070.00718.00
8.3.40.0150.00018.68
8.3.30.0110.00318.34
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.180.0150.00325.92
8.2.170.0110.00318.87
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00721.00
8.2.110.0030.00719.52
8.2.100.0090.00317.78
8.2.90.0080.00022.28
8.2.80.0050.00517.97
8.2.70.0080.00017.50
8.2.60.0040.00417.50
8.2.50.0050.00317.80
8.2.40.0050.00318.05
8.2.30.0000.00817.57
8.2.20.0000.00820.70
8.2.10.0040.00417.77
8.2.00.0050.00319.24
8.1.280.0040.01125.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00022.45
8.1.230.0070.00420.96
8.1.220.0000.00817.77
8.1.210.0090.00018.93
8.1.200.0030.00617.35
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0050.00217.62
8.1.160.0030.00618.84
8.1.150.0040.00418.61
8.1.140.0030.00617.30
8.1.130.0000.00717.30
8.1.120.0040.00417.43
8.1.110.0030.00517.39
8.1.100.0040.00417.36
8.1.90.0000.00717.25
8.1.80.0080.00317.34
8.1.70.0030.00317.43
8.1.60.0050.00317.50
8.1.50.0040.00417.34
8.1.40.0030.00617.45
8.1.30.0000.00917.57
8.1.20.0040.00417.59
8.1.10.0040.00417.50
8.1.00.0000.00717.33
8.0.300.0020.00519.93
8.0.290.0080.00016.72
8.0.280.0030.00318.45
8.0.270.0000.00716.82
8.0.260.0040.00416.82
8.0.250.0040.00416.89
8.0.240.0000.00716.91
8.0.230.0070.00016.92
8.0.220.0000.00716.86
8.0.210.0000.00816.91
8.0.200.0000.00616.81
8.0.190.0060.00316.90
8.0.180.0070.00016.98
8.0.170.0090.00016.86
8.0.160.0030.00616.83
8.0.150.0040.00416.86
8.0.140.0000.00716.76
8.0.130.0110.00016.80
8.0.120.0060.00616.84
8.0.110.0070.00316.81
8.0.100.0100.00116.72
8.0.90.0000.01116.80
8.0.80.0050.00516.78
8.0.70.0130.00516.75
8.0.60.0200.00016.73
8.0.50.0130.00516.66
8.0.30.0060.00316.83
8.0.20.0080.01016.69
8.0.10.0160.00316.89
8.0.00.0070.00416.76
7.4.330.0000.00515.55
7.4.320.0030.00316.46
7.4.300.0060.00016.54
7.4.290.0000.00716.50
7.4.280.0000.00716.35
7.4.270.0030.00316.52
7.4.260.0140.00616.13
7.4.250.0150.00016.44
7.4.240.0140.00316.54
7.4.230.0110.00316.42
7.4.220.0080.00516.50
7.4.210.0150.00016.30
7.4.200.0060.00616.34
7.4.190.0090.00616.07
7.4.180.0050.01016.36
7.4.160.0150.00716.27
7.4.150.0090.00916.45
7.4.140.0180.00316.43
7.4.130.0110.00416.04
7.4.120.0150.00216.06
7.4.110.0190.00316.15
7.4.100.0110.00416.30
7.4.90.0140.00516.06
7.4.80.0100.00416.12
7.4.70.0080.00516.50
7.4.60.0190.00216.35
7.4.50.0100.00516.10
7.4.40.0110.00716.21
7.4.30.0130.00316.38
7.4.20.0140.00516.50
7.4.10.0140.00416.04
7.4.00.0170.00316.29
7.3.330.0180.00215.87
7.3.320.0140.00816.15
7.3.310.0140.00816.14
7.3.300.0110.00715.95
7.3.290.0150.00716.11
7.3.280.0060.01116.11
7.3.270.0180.00316.07
7.3.260.0140.00715.98
7.3.250.0160.00515.97
7.3.240.0170.00716.19
7.3.230.0140.00516.07
7.3.220.0170.00315.86
7.3.210.0200.00215.81
7.3.200.0080.00816.12
7.3.190.0150.00316.05
7.3.180.0180.00016.05
7.3.170.0050.00715.96
7.3.160.0110.00415.90
7.3.150.0120.00015.80
7.3.140.0030.00616.10
7.3.130.0050.00516.03

preferences:
61.5 ms | 400 KiB | 5 Q