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(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)
8.3.60.0180.00618.53
8.3.50.0080.00818.12
8.3.40.0110.00418.85
8.3.30.0070.00718.54
8.3.20.0000.00721.89
8.3.10.0030.00523.48
8.3.00.0030.00523.69
8.2.180.0190.00016.57
8.2.170.0140.00022.96
8.2.160.0150.00420.65
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00319.16
8.2.120.0040.00426.35
8.2.110.0060.00321.11
8.2.100.0110.00017.84
8.2.90.0040.00417.91
8.2.80.0060.00318.15
8.2.70.0060.00318.18
8.2.60.0060.00318.16
8.2.50.0040.00418.10
8.2.40.0040.00420.56
8.2.30.0000.00819.40
8.2.20.0030.00618.18
8.2.10.0060.00317.75
8.2.00.0000.00718.22
8.1.280.0130.00725.92
8.1.270.0070.00024.09
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00022.59
8.1.230.0040.00820.96
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00717.48
8.1.190.0060.00317.38
8.1.180.0040.00418.10
8.1.170.0050.00318.52
8.1.160.0040.00419.06
8.1.150.0060.00320.35
8.1.140.0000.00717.82
8.1.130.0040.00421.02
8.1.120.0000.00817.59
8.1.110.0000.00717.64
8.1.100.0030.00617.66
8.1.90.0070.00017.67
8.1.80.0030.00617.56
8.1.70.0030.00617.54
8.1.60.0060.00317.67
8.1.50.0030.00517.77
8.1.40.0080.00017.75
8.1.30.0040.00417.82
8.1.20.0000.00917.82
8.1.10.0000.00717.68
8.1.00.0140.00017.65
8.0.300.0040.00420.15
8.0.290.0040.00416.75
8.0.280.0070.00018.59
8.0.270.0000.00717.23
8.0.260.0030.00316.87
8.0.250.0000.00716.98
8.0.240.0070.00016.90
8.0.230.0030.00316.88
8.0.220.0000.00716.96
8.0.210.0050.00316.92
8.0.200.0000.00716.87
8.0.190.0000.00717.00
8.0.180.0070.00016.98
8.0.170.0000.00816.96
8.0.160.0000.00716.86
8.0.150.0030.00516.96
8.0.140.0000.00716.82
8.0.130.0050.00013.35
8.0.120.0050.00216.89
8.0.110.0040.00416.96
8.0.100.0000.00716.93
8.0.90.0040.00416.90
8.0.80.0060.00816.87
8.0.70.0000.00716.89
8.0.60.0040.00416.77
8.0.50.0000.00716.98
8.0.30.0130.00817.05
8.0.20.0120.01017.40
8.0.10.0050.00317.02
8.0.00.0080.01016.86
7.4.330.0050.00015.55
7.4.320.0000.00716.53
7.4.300.0050.00216.54
7.4.290.0050.00516.63
7.4.280.0000.00816.64
7.4.270.0070.00016.59
7.4.260.0070.00016.53
7.4.250.0030.00516.48
7.4.240.0030.00316.70
7.4.230.0000.00716.53
7.4.220.0000.00716.47
7.4.210.0000.01516.64
7.4.200.0030.00316.50
7.4.160.0090.00916.51
7.4.140.0090.00917.86
7.4.130.0060.01116.41
7.4.120.0100.00716.63
7.4.110.0110.00616.50
7.4.100.0090.00916.71
7.4.90.0170.01116.38
7.4.80.0060.01319.39
7.4.70.0160.00316.84
7.4.60.0130.00316.48
7.4.50.0120.00316.56
7.4.40.0030.01216.68
7.4.00.0000.01615.10
7.3.330.0000.00513.02
7.3.320.0000.00513.09
7.3.310.0000.00716.38
7.3.300.0030.00316.30
7.3.290.0080.00916.24
7.3.280.0110.00716.25
7.3.260.0100.01016.29
7.3.250.0090.01116.53
7.3.240.0110.00816.33
7.3.230.0130.01016.27
7.3.210.0170.00316.32
7.3.200.0120.00416.38
7.3.190.0120.00616.29
7.3.180.0110.01116.44
7.3.170.0040.01116.39
7.3.160.0050.01116.27
7.3.120.0090.00914.61
7.3.110.0030.01414.56
7.3.100.0070.01014.97
7.3.90.0030.01314.86
7.3.80.0030.01214.66
7.3.70.0040.00714.81
7.3.60.0040.01114.89
7.3.50.0060.00914.95
7.3.40.0070.00714.81
7.3.30.0070.00714.81
7.3.20.0080.00816.63
7.3.10.0070.01016.41
7.3.00.0110.00416.66
7.2.330.0030.01716.76
7.2.320.0070.01016.66
7.2.310.0030.01316.45
7.2.300.0150.00316.80
7.2.290.0030.01416.58
7.2.250.0080.00915.07
7.2.240.0090.00914.99
7.2.230.0040.01115.17
7.2.220.0060.01315.22
7.2.210.0030.00715.07
7.2.200.0030.01514.98
7.2.190.0030.01015.00
7.2.180.0000.01514.99
7.2.170.0060.01114.93
7.2.110.0280.00716.87
7.2.60.0080.00817.04
7.2.30.0120.01218.13
7.2.20.0150.00817.89
7.2.10.0130.01317.72
7.2.00.0150.01317.97
7.1.330.0040.01115.81
7.1.320.0070.00716.11
7.1.310.0030.01515.96
7.1.300.0060.00615.79
7.1.290.0060.00615.77
7.1.280.0000.01015.73
7.1.270.0060.00915.90
7.1.260.0050.00515.95
7.1.200.0000.01115.73
7.1.150.0130.01016.64
7.1.140.0120.01116.81
7.1.130.0610.01117.00
7.1.120.0160.01016.74
7.1.110.0200.01216.06
7.1.100.0160.00916.09
7.1.90.0210.00616.19
7.1.80.0190.00916.11
7.1.70.0140.01315.35
7.1.60.0340.01733.36
7.1.50.0340.01033.07
7.1.40.0390.01832.53
7.1.30.0390.01332.41
7.1.20.0430.01732.84
7.1.10.0150.01314.60
7.1.00.0110.01114.98

preferences:
41.6 ms | 400 KiB | 5 Q