3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(bin2hex(mb_convert_encoding('@', 'UTF-16', 'UTF-8')));

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)
8.3.40.0110.00818.58
8.3.30.0150.00018.45
8.3.20.0020.00520.12
8.3.10.0030.00623.45
8.3.00.0040.00719.43
8.2.170.0090.00622.96
8.2.160.0060.00918.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00319.24
8.2.120.0050.00326.35
8.2.110.0100.00020.55
8.2.100.0030.00717.78
8.2.90.0000.00817.63
8.2.80.0080.00018.66
8.2.70.0080.00017.80
8.2.60.0100.00017.97
8.2.50.0060.00319.21
8.2.40.0040.00420.90
8.2.30.0030.00621.02
8.2.20.0000.00817.86
8.2.10.0040.00418.03
8.2.00.0040.00418.04
8.1.270.0070.00022.14
8.1.260.0060.00326.35
8.1.250.0040.01128.09
8.1.240.0060.00322.13
8.1.230.0000.01217.76
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0030.00617.23
8.1.180.0030.00518.10
8.1.170.0050.00320.44
8.1.160.0070.00019.00
8.1.150.0040.00418.73
8.1.140.0000.00719.45
8.1.130.0090.00018.81
8.1.120.0040.00417.41
8.1.110.0030.00517.29
8.1.100.0040.00417.39
8.1.90.0000.00817.42
8.1.80.0040.00417.34
8.1.70.0000.00817.37
8.1.60.0000.00917.50
8.1.50.0030.00617.34
8.1.40.0000.00817.35
8.1.30.0030.00617.57
8.1.20.0040.00417.46
8.1.10.0000.00717.34
8.1.00.0000.00917.26
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0070.00018.38
8.0.270.0040.00417.12
8.0.260.0090.00016.62
8.0.250.0050.00316.75
8.0.240.0030.00316.76
8.0.230.0000.00816.79
8.0.220.0000.00716.70
8.0.210.0070.00016.84
8.0.200.0070.00016.86
8.0.190.0030.00516.71
8.0.180.0040.00416.85
8.0.170.0030.00516.83
8.0.160.0070.00016.77
8.0.150.0000.00716.77
8.0.140.0000.00716.73
8.0.130.0030.00313.24
8.0.120.0000.00716.81
8.0.110.0070.00016.76
8.0.100.0000.00816.64
8.0.90.0000.00816.64
8.0.80.0060.01616.71
8.0.70.0070.00016.93
8.0.60.0040.00416.68
8.0.50.0020.00516.86
8.0.30.0100.00916.94
8.0.20.0080.01117.40
8.0.10.0040.00416.75
8.0.00.0100.00716.50
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0030.00316.33
7.4.290.0070.00316.51
7.4.280.0030.00316.34
7.4.270.0000.00716.32
7.4.260.0050.00316.27
7.4.250.0000.00816.53
7.4.240.0030.00316.52
7.4.230.0000.00716.32
7.4.220.0110.00716.45
7.4.210.0090.00616.48
7.4.200.0070.00016.54
7.4.160.0090.00716.27
7.4.150.0140.00417.40
7.4.140.0110.00817.86
7.4.130.0130.01416.45
7.4.120.0040.01416.46
7.4.110.0040.01516.33
7.4.100.0120.00616.38
7.4.90.0100.00716.39
7.4.80.0090.00819.39
7.4.70.0130.00316.40
7.4.60.0100.00716.55
7.4.50.0070.00316.50
7.4.40.0100.01116.43
7.4.30.0100.00716.34
7.4.00.0000.01314.97
7.3.330.0030.00313.08
7.3.320.0030.00313.09
7.3.310.0000.00716.25
7.3.300.0070.00016.23
7.3.290.0070.00616.18
7.3.280.0070.01016.16
7.3.270.0140.00417.40
7.3.260.0080.01316.15
7.3.250.0080.01116.32
7.3.240.0050.01116.29
7.3.230.0100.00616.43
7.3.210.0070.01016.34
7.3.200.0030.01416.18
7.3.190.0040.01216.00
7.3.180.0060.01016.25
7.3.170.0080.00816.39
7.3.160.0040.01816.23
7.3.10.0020.01316.61
7.3.00.0040.00916.68
7.2.330.0100.00716.44
7.2.320.0110.01416.18
7.2.310.0100.01316.29
7.2.300.0040.01416.39
7.2.290.0080.01216.56
7.2.130.0070.00716.70
7.2.120.0050.00816.77
7.2.110.0080.00816.81
7.2.100.0040.01016.59
7.2.90.0030.00716.73
7.2.80.0070.00716.77
7.2.70.0060.00816.79
7.2.60.0060.00716.74
7.2.50.0070.00616.82
7.2.40.0040.00916.62
7.2.30.0030.00916.79
7.2.20.0060.00816.84
7.2.10.0020.01116.63
7.2.00.0060.00517.40
7.1.250.0060.00715.84
7.1.200.0100.00315.65
7.1.100.0030.01018.03
7.1.70.0100.01016.75
7.1.60.0260.00734.96
7.1.50.0280.01134.75
7.1.40.0330.00634.32
7.1.30.0230.01334.35
7.1.20.0240.01434.50
7.1.10.0050.01416.30
7.1.00.0080.00816.55
7.0.200.0150.00416.71
7.0.190.0000.01916.46
7.0.180.0040.01616.24
7.0.170.0030.01616.12
7.0.160.0040.01216.05
7.0.150.0090.00616.16
7.0.140.0090.01916.21
7.0.130.0030.01516.44
7.0.120.0100.01016.27
7.0.110.0070.01016.43
7.0.100.0070.01016.20
7.0.90.0090.00616.11
7.0.80.0140.01116.34
7.0.70.0030.01316.36
7.0.60.0000.01815.94
7.0.50.0090.00916.35
7.0.40.0080.00816.41
7.0.30.0060.01216.45
7.0.20.0030.01416.37
7.0.10.0120.00916.52
7.0.00.0090.00916.44

preferences:
40.71 ms | 400 KiB | 5 Q