3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'this is é a test'; foreach(preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY) as $char) { echo bin2hex($char) . ' '; }

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)
8.3.60.0120.00318.18
8.3.50.0090.00918.46
8.3.40.0070.00718.64
8.3.30.0110.00418.79
8.3.20.0080.00021.90
8.3.10.0030.00718.85
8.3.00.0030.00617.75
8.2.180.0100.01016.63
8.2.170.0130.00322.96
8.2.160.0100.00322.18
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00418.09
8.2.120.0040.00426.35
8.2.110.0070.00321.12
8.2.100.0080.00418.03
8.2.90.0040.00418.16
8.2.80.0060.00317.97
8.2.70.0000.00817.93
8.2.60.0080.00018.22
8.2.50.0000.00818.10
8.2.40.0000.00819.28
8.2.30.0000.00719.32
8.2.20.0000.01018.08
8.2.10.0070.00319.20
8.2.00.0040.00418.08
8.1.280.0070.01325.92
8.1.270.0080.00023.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0090.00020.75
8.1.230.0030.00720.96
8.1.220.0040.00417.74
8.1.210.0050.00319.03
8.1.200.0040.00417.47
8.1.190.0040.00417.38
8.1.180.0080.00018.10
8.1.170.0080.00018.70
8.1.160.0030.00518.94
8.1.150.0040.00418.91
8.1.140.0040.00418.79
8.1.130.0000.00717.55
8.1.120.0000.00717.53
8.1.110.0040.00417.49
8.1.100.0040.00417.57
8.1.90.0000.00717.60
8.1.80.0040.00417.61
8.1.70.0040.00417.49
8.1.60.0030.00517.65
8.1.50.0080.00017.68
8.1.40.0040.00717.71
8.1.30.0030.00617.81
8.1.20.0040.00417.81
8.1.10.0040.00417.73
8.1.00.0040.00417.56
8.0.300.0040.00419.95
8.0.290.0040.00416.88
8.0.280.0040.00418.51
8.0.270.0040.00416.95
8.0.260.0030.00317.03
8.0.250.0000.00717.16
8.0.240.0070.00017.14
8.0.230.0030.00317.23
8.0.220.0100.00017.08
8.0.210.0070.00017.04
8.0.200.0050.00217.04
8.0.190.0030.00517.17
8.0.180.0030.00517.10
8.0.170.0050.00317.15
8.0.160.0030.00517.03
8.0.150.0040.00417.05
8.0.140.0040.00416.97
8.0.130.0040.00413.49
8.0.120.0000.00816.97
8.0.110.0030.00517.12
8.0.100.0080.00017.06
8.0.90.0040.00417.21
8.0.80.0060.01317.10
8.0.70.0000.01117.00
8.0.60.0000.00716.96
8.0.50.0040.00416.96
8.0.30.0110.00717.30
8.0.20.0130.00617.40
8.0.10.0030.00517.02
8.0.00.0150.00516.88
7.4.330.0000.00515.55
7.4.320.0030.00316.63
7.4.300.0000.00616.77
7.4.290.0030.00316.78
7.4.280.0000.00716.71
7.4.270.0000.00716.62
7.4.260.0040.00416.80
7.4.250.0040.00416.67
7.4.240.0070.00016.86
7.4.230.0080.00016.60
7.4.220.0000.00816.99
7.4.210.0100.00716.85
7.4.200.0040.00416.87
7.4.160.0110.00716.64
7.4.140.0190.00017.86
7.4.130.0090.00916.80
7.4.120.0120.00616.93
7.4.110.0100.00716.86
7.4.100.0110.00616.68
7.4.90.0090.00916.92
7.4.80.0080.00919.39
7.4.70.0110.00916.74
7.4.60.0060.00916.88
7.4.50.0070.01016.54
7.4.40.0120.00916.70
7.4.00.0070.01015.34
7.3.330.0000.00513.17
7.3.320.0030.00513.17
7.3.310.0000.00716.39
7.3.300.0040.00416.43
7.3.290.0030.00616.27
7.3.280.0080.00916.41
7.3.260.0110.00816.56
7.3.240.0100.00916.39
7.3.230.0070.01116.39
7.3.210.0140.00316.36
7.3.200.0100.00616.65
7.3.190.0110.00616.40
7.3.180.0090.00616.70
7.3.170.0140.00716.71
7.3.160.0100.01016.41
7.3.10.3440.00315.01
7.3.00.3900.01014.76
7.2.330.0060.01216.87
7.2.320.0110.00616.74
7.2.310.0070.01016.77
7.2.300.0040.01216.78
7.2.290.0060.01116.96
7.2.130.3340.00315.14
7.2.120.3130.01315.06
7.2.110.3450.00715.14
7.2.100.4740.00315.03
7.2.90.0730.00315.29
7.2.80.2770.00315.09
7.2.70.1750.00715.28
7.2.60.4790.00714.97
7.2.50.3390.01015.02
7.2.40.4590.00315.18
7.2.30.5340.00715.28
7.2.20.4800.00015.27
7.2.10.6280.01015.09
7.2.00.5400.02015.32
7.1.250.3200.01014.20

preferences:
53.33 ms | 401 KiB | 5 Q