3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123.45; $b = 1; $str = 'ー'; var_dump(bin2hex($str)); $str_2 = mb_convert_encoding($str, 'SJIS-win', 'UTF-8'); var_dump($str); var_dump($str_2); var_dump(bin2hex($str_2)); ?>

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)
8.3.60.0120.01218.27
8.3.50.0140.00318.19
8.3.40.0060.00818.58
8.3.30.0040.01118.63
8.3.20.0070.00021.77
8.3.10.0040.00421.60
8.3.00.0080.00023.61
8.2.180.0130.00716.51
8.2.170.0110.00422.96
8.2.160.0070.00720.69
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00019.50
8.2.120.0070.00026.35
8.2.110.0040.00721.11
8.2.100.0040.00818.03
8.2.90.0030.00619.57
8.2.80.0000.00819.88
8.2.70.0080.00018.16
8.2.60.0040.00417.63
8.2.50.0000.00718.28
8.2.40.0000.00820.73
8.2.30.0040.00419.39
8.2.20.0000.00818.16
8.2.10.0000.00817.91
8.2.00.0020.00518.07
8.1.280.0110.01125.92
8.1.270.0050.00223.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00620.67
8.1.230.0040.00822.88
8.1.220.0080.00017.74
8.1.210.0080.00018.88
8.1.200.0040.00417.47
8.1.190.0000.00817.46
8.1.180.0080.00018.10
8.1.170.0000.00818.75
8.1.160.0070.00019.09
8.1.150.0000.00720.34
8.1.140.0000.00717.74
8.1.130.0070.00020.98
8.1.120.0070.00017.66
8.1.110.0040.00417.58
8.1.100.0040.00417.61
8.1.90.0050.00217.67
8.1.80.0000.00817.65
8.1.70.0040.00417.53
8.1.60.0090.00017.76
8.1.50.0000.00817.68
8.1.40.0040.00417.70
8.1.30.0000.00817.80
8.1.20.0000.00817.79
8.1.10.0080.00017.75
8.1.00.0050.00617.50
8.0.300.0040.00419.91
8.0.290.0070.00016.75
8.0.280.0000.00718.41
8.0.270.0000.00717.24
8.0.260.0040.00416.83
8.0.250.0000.00717.02
8.0.240.0050.00316.97
8.0.230.0000.00716.95
8.0.220.0030.00616.98
8.0.210.0000.00716.80
8.0.200.0040.00416.90
8.0.190.0040.00416.99
8.0.180.0030.00516.99
8.0.170.0000.00816.86
8.0.160.0000.00716.95
8.0.150.0040.00416.93
8.0.140.0030.00616.92
8.0.130.0030.00313.45
8.0.120.0040.00416.89
8.0.110.0040.00416.89
8.0.100.0000.00717.06
8.0.90.0040.00416.98
8.0.80.0080.00816.91
8.0.70.0040.00416.96
8.0.60.0040.00417.05
8.0.50.0040.00416.99
8.0.30.0110.00616.95
8.0.20.0080.01017.40
8.0.10.0000.00817.05
8.0.00.0110.00916.74
7.4.330.0050.00015.55
7.4.320.0040.00416.61
7.4.300.0050.00316.46
7.4.290.0000.01016.62
7.4.280.0070.00016.61
7.4.270.0000.00716.71
7.4.260.0040.00416.49
7.4.250.0060.00316.71
7.4.240.0000.00716.61
7.4.230.0080.00016.52
7.4.220.0040.00416.74
7.4.210.0100.00316.48
7.4.200.0080.00016.75
7.4.160.0040.01116.58
7.4.140.0080.00917.86
7.4.130.0060.01116.37
7.4.120.0090.01016.52
7.4.110.0120.00416.71
7.4.100.0060.01616.62
7.4.90.0090.00916.64
7.4.80.0110.00619.39
7.4.70.0080.01416.49
7.4.60.0030.01216.41
7.4.50.0070.00616.23
7.4.40.0040.01216.50
7.4.00.0080.00815.15
7.3.330.0020.00213.14
7.3.320.0030.00312.96
7.3.310.0070.00016.32
7.3.300.0030.00316.24
7.3.290.0120.00416.25
7.3.280.0070.00916.24
7.3.260.0110.00816.27
7.3.250.0140.00416.48
7.3.240.0080.01016.38
7.3.230.0080.00916.35
7.3.210.0070.01016.17
7.3.200.0030.01316.43
7.3.190.0100.00716.32
7.3.180.0170.00016.35
7.3.170.0070.01016.49
7.3.160.0110.00516.58
7.3.120.0120.00614.92
7.3.110.0040.01114.79
7.3.100.0100.00314.82
7.3.90.0040.00814.48
7.3.80.0030.01014.93
7.3.70.0040.01114.45
7.3.60.0000.01314.77
7.3.50.0090.00014.92
7.3.40.0000.00914.51
7.3.30.0060.00615.05
7.3.20.0030.00916.83
7.3.10.0000.01616.27
7.3.00.0000.01316.44
7.2.330.0080.01216.39
7.2.320.0120.00916.58
7.2.310.0060.01016.48
7.2.300.0110.01216.50
7.2.290.0000.01616.54
7.2.250.0060.01014.92
7.2.240.0060.01214.92
7.2.230.0030.01315.08
7.2.220.0070.00715.21
7.2.210.0070.00815.14
7.2.200.0030.00715.05
7.2.190.0030.01315.09
7.2.180.0040.00814.80
7.2.170.0000.01214.95
7.2.160.0030.00614.88
7.2.150.0120.00416.86
7.2.140.0000.00916.90
7.2.130.0100.00716.91
7.2.120.0080.00617.09
7.2.110.0040.01416.80
7.2.100.0100.00016.79
7.2.90.0120.00617.03
7.2.80.0040.01216.95
7.2.70.0140.00016.84
7.2.60.0020.01116.83
7.2.50.0000.01316.83
7.2.40.0030.00717.05
7.2.30.0110.00817.36
7.2.20.0100.01117.28
7.2.10.0090.01217.33
7.2.00.0080.01017.38
7.1.330.0040.01115.98
7.1.320.0070.00415.96
7.1.310.0040.00815.84
7.1.300.0000.01615.79
7.1.290.0090.00315.76
7.1.280.0070.00716.08
7.1.270.0060.01015.73
7.1.260.0060.00316.02
7.1.250.0100.00315.84
7.1.240.0110.00415.69
7.1.230.0040.01115.57
7.1.220.0030.00715.96
7.1.210.0030.01015.95
7.1.200.0070.00715.89
7.1.190.0060.01015.96
7.1.180.0080.00616.00
7.1.170.0060.00615.60
7.1.160.0000.01115.85
7.1.150.0090.00716.20
7.1.140.0090.01116.37
7.1.130.0090.00916.24
7.1.120.0080.01016.22
7.1.110.0090.01415.94
7.1.100.0100.01016.01
7.1.90.0110.00815.81
7.1.80.0130.00815.92
7.1.70.0120.00515.47
7.1.60.0180.01124.53
7.1.50.0220.00924.33
7.1.40.0170.01024.39
7.1.30.0160.01124.30
7.1.20.0160.01024.35
7.1.10.0090.01015.37
7.1.00.0120.01115.36
7.0.330.0070.00415.39
5.6.400.0030.01014.37
5.6.390.0040.00814.53
5.6.380.0000.00914.44

preferences:
64.86 ms | 400 KiB | 5 Q