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)
8.3.70.0170.00016.50
8.3.60.0110.00718.30
8.3.50.0090.00616.54
8.3.40.0130.00718.59
8.3.30.0120.00818.47
8.3.20.0050.00220.11
8.3.10.0090.00023.45
8.3.00.0080.00019.56
8.2.180.0180.00317.95
8.2.170.0140.00422.96
8.2.160.0100.00318.79
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.38
8.2.120.0040.00426.35
8.2.110.0050.00520.35
8.2.100.0120.00017.78
8.2.90.0030.00619.09
8.2.80.0000.00817.97
8.2.70.0040.00417.25
8.2.60.0050.00217.80
8.2.50.0040.00418.10
8.2.40.0000.00720.42
8.2.30.0040.00420.79
8.2.20.0040.00418.11
8.2.10.0000.00717.88
8.2.00.0050.00218.01
8.1.280.0160.00625.92
8.1.270.0110.00722.06
8.1.260.0070.00026.35
8.1.250.0080.00828.09
8.1.240.0100.00320.81
8.1.230.0080.00418.97
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0090.00017.36
8.1.190.0030.00517.10
8.1.180.0070.00018.10
8.1.170.0060.00318.59
8.1.160.0000.00718.95
8.1.150.0000.00818.87
8.1.140.0040.00419.50
8.1.130.0030.00318.71
8.1.120.0050.00217.29
8.1.110.0000.00817.25
8.1.100.0060.00317.27
8.1.90.0000.00717.35
8.1.80.0050.00317.36
8.1.70.0030.00317.21
8.1.60.0030.00617.39
8.1.50.0040.00417.43
8.1.40.0000.00917.41
8.1.30.0000.00817.62
8.1.20.0000.00817.60
8.1.10.0030.00517.35
8.1.00.0000.00917.26
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0040.00418.30
8.0.270.0000.00717.22
8.0.260.0040.00416.71
8.0.250.0070.00016.86
8.0.240.0000.00616.84
8.0.230.0040.00416.86
8.0.220.0000.00716.84
8.0.210.0000.00816.82
8.0.200.0060.00016.79
8.0.190.0000.00916.84
8.0.180.0070.00016.75
8.0.170.0040.00416.82
8.0.160.0070.00016.88
8.0.150.0040.00416.72
8.0.140.0040.00416.77
8.0.130.0040.00413.22
8.0.120.0080.00016.77
8.0.110.0000.00716.83
8.0.100.0040.00416.76
8.0.90.0000.00716.74
8.0.80.0100.01016.70
8.0.70.0040.00416.63
8.0.60.0000.00716.64
8.0.50.0000.00716.64
8.0.30.0130.00516.92
8.0.20.0100.01017.40
8.0.10.0050.00316.94
8.0.00.0070.01016.51
7.4.330.0050.00015.55
7.4.320.0060.00016.52
7.4.300.0060.00016.50
7.4.290.0030.00616.48
7.4.280.0060.00316.43
7.4.270.0000.00716.50
7.4.260.0000.00816.43
7.4.250.0020.00516.42
7.4.240.0030.00316.57
7.4.230.0000.00816.37
7.4.220.0140.00416.39
7.4.210.0030.01216.36
7.4.200.0030.00316.61
7.4.160.0070.00916.42
7.4.150.0110.00717.40
7.4.140.0120.00917.86
7.4.130.0080.01116.13
7.4.120.0090.01116.38
7.4.110.0130.00316.21
7.4.100.0130.00316.36
7.4.90.0100.00616.52
7.4.80.0030.01519.39
7.4.70.0140.00316.24
7.4.60.0030.01316.23
7.4.50.0020.00916.40
7.4.40.0100.00716.36
7.4.30.0140.00316.48
7.4.00.0000.01414.71
7.3.330.0050.00013.06
7.3.320.0050.00013.13
7.3.310.0070.00016.24
7.3.300.0030.00316.23
7.3.290.0090.00616.22
7.3.280.0070.01116.22
7.3.270.0100.00717.40
7.3.260.0080.00916.27
7.3.250.0090.01016.31
7.3.240.0120.00516.21
7.3.230.0120.00416.39
7.3.210.0060.01016.14
7.3.200.0100.00616.17
7.3.190.0030.01316.41
7.3.180.0120.00316.30
7.3.170.0070.01016.25
7.3.160.0070.01016.25
7.2.330.0030.01416.39
7.2.320.0090.00916.32
7.2.310.0110.00616.25
7.2.300.0120.00416.30
7.2.290.0110.00816.29
7.2.60.0110.00316.52
7.2.00.0090.00419.32
7.1.200.0000.01315.56
7.1.100.0030.01017.94
7.1.70.0110.01116.97
7.1.60.0330.01635.11
7.1.50.0180.01434.66
7.1.40.0250.00934.08
7.1.30.0210.01234.42
7.1.20.0320.01634.56
7.1.10.0030.01416.67
7.1.00.0030.01716.73
7.0.200.0130.00916.70
7.0.190.0080.00816.37
7.0.180.0110.00616.01
7.0.170.0040.01516.02
7.0.160.0100.00716.05
7.0.150.0100.00716.33
7.0.140.0110.00916.39
7.0.130.0140.00316.61
7.0.120.0090.01516.27
7.0.110.0070.01516.34
7.0.100.0140.00716.11
7.0.90.0120.00915.96
7.0.80.0030.01816.20
7.0.70.0080.01416.26
7.0.60.0080.00816.09
7.0.50.0030.01216.33
7.0.40.0050.01116.54
7.0.30.0100.01016.45
7.0.20.0000.01616.17
7.0.10.0070.01016.41
7.0.00.0040.01216.40

preferences:
53.25 ms | 401 KiB | 5 Q