3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'a'; echo dechex(ord($string)) . "\n"; var_export(preg_match('/[\x80-\xFF]/', $string, $matches)); echo"\n"; var_export($matches);

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)
8.3.60.0040.01118.68
8.3.50.0140.00621.36
8.3.40.0040.01118.67
8.3.30.0070.00718.79
8.3.20.0040.00420.29
8.3.10.0080.00023.32
8.3.00.0040.00419.50
8.2.180.0080.00616.63
8.2.170.0120.00322.96
8.2.160.0030.01020.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00722.27
8.2.110.0060.00320.35
8.2.100.0000.01117.90
8.2.90.0030.00619.22
8.2.80.0030.00617.97
8.2.70.0090.00317.75
8.2.60.0070.00318.03
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00418.17
8.2.20.0000.00717.80
8.2.10.0080.00017.88
8.2.00.0030.00517.63
8.1.280.0060.00925.92
8.1.270.0080.00023.84
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.77
8.1.230.0000.01220.82
8.1.220.0040.00417.76
8.1.210.0080.00018.77
8.1.200.0000.00917.47
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0060.00318.74
8.1.160.0050.00322.03
8.1.150.0050.00218.91
8.1.140.0020.00517.59
8.1.130.0000.00817.84
8.1.120.0040.00417.49
8.1.110.0000.00717.58
8.1.100.0030.00317.57
8.1.90.0030.00717.52
8.1.80.0050.00317.65
8.1.70.0000.00717.46
8.1.60.0000.00817.70
8.1.50.0050.00317.70
8.1.40.0030.00517.54
8.1.30.0030.00517.69
8.1.20.0000.00817.80
8.1.10.0030.00617.69
8.1.00.0050.00217.58
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00218.39
8.0.270.0030.00517.25
8.0.260.0000.00817.14
8.0.250.0030.00317.09
8.0.240.0030.00317.12
8.0.230.0040.00417.11
8.0.220.0030.00317.07
8.0.210.0000.00817.02
8.0.200.0030.00317.06
8.0.190.0030.00617.10
8.0.180.0060.00217.03
8.0.170.0000.00816.94
8.0.160.0030.00417.04
8.0.150.0030.00516.93
8.0.140.0050.00316.81
8.0.130.0000.00613.45
8.0.120.0000.00916.90
8.0.110.0000.00716.98
8.0.100.0000.00717.14
8.0.90.0040.00416.91
8.0.80.0060.01017.06
8.0.70.0000.00716.93
8.0.60.0000.00716.98
8.0.50.0040.00416.92
8.0.30.0090.01017.27
8.0.20.0100.01217.40
8.0.10.0080.00017.02
8.0.00.0100.00716.95
7.4.330.0000.00615.02
7.4.320.0030.00316.71
7.4.300.0030.00316.72
7.4.290.0030.00316.70
7.4.280.0080.00016.73
7.4.270.0000.00716.78
7.4.260.0000.00916.64
7.4.250.0040.00416.70
7.4.240.0040.00316.67
7.4.230.0040.00416.55
7.4.220.0150.00916.65
7.4.210.0090.00716.71
7.4.200.0030.00316.72
7.4.160.0140.00316.86
7.4.150.0040.01417.40
7.4.140.0170.00317.86
7.4.130.0060.01316.57
7.4.120.0100.01016.68
7.4.110.0100.01316.71
7.4.100.0060.01016.83
7.4.90.0000.01716.38
7.4.80.0160.00919.39
7.4.70.0070.01016.43
7.4.60.0080.00816.47
7.4.50.0060.00316.79
7.4.40.0000.01616.59
7.4.30.0110.00616.76
7.4.00.0060.01215.23
7.3.330.0030.00313.21
7.3.320.0030.00313.14
7.3.310.0000.00716.19
7.3.300.0030.00316.23
7.3.290.0060.00916.33
7.3.280.0070.00816.31
7.3.270.0090.01517.40
7.3.260.0110.00716.36
7.3.250.0100.00716.54
7.3.240.0110.00716.43
7.3.230.0120.00616.39
7.3.210.0100.01016.40
7.3.200.0100.01319.39
7.3.190.0100.01016.39
7.3.180.0070.01016.70
7.3.170.0040.01416.41
7.3.160.0060.01016.44
7.2.330.0140.00316.67
7.2.320.0070.01016.53
7.2.310.0140.00916.76
7.2.300.0100.00716.48
7.2.290.0100.01316.88
7.2.60.0060.00616.98
7.2.00.0000.01519.37
7.1.200.0000.01215.93
7.1.100.0130.00018.32
7.1.70.0110.00417.32
7.1.60.0100.01619.32
7.1.50.0070.01117.11
7.1.00.0070.07022.37
7.0.200.0000.00816.59
7.0.140.0000.07721.99
7.0.60.0030.04019.93
7.0.50.0170.03317.90
7.0.40.0130.08019.98
7.0.30.0430.05720.19
7.0.20.0230.03720.32
7.0.10.0070.04720.13
7.0.00.0070.04020.24
5.6.280.0030.07321.04
5.6.210.0000.04320.60
5.6.200.0070.09018.12
5.6.190.0030.06020.76
5.6.180.0300.07720.63
5.6.170.0230.08020.35
5.6.160.0030.04020.66
5.6.150.0070.03318.12
5.6.140.0100.06718.10
5.6.130.0000.06318.08
5.6.120.0130.08321.11
5.6.110.0070.04321.07
5.6.100.0100.08020.95
5.6.90.0130.08021.09
5.6.80.0130.07720.38
5.6.70.2570.04320.49
5.5.350.0270.07320.41
5.5.340.0030.05717.99
5.5.330.0030.08020.14
5.5.320.0230.04320.28
5.5.310.0330.06020.29
5.5.300.0130.03017.91
5.5.290.0100.08017.88
5.5.280.0000.08320.87
5.5.270.0100.04720.75
5.5.260.0070.06020.75
5.5.250.0000.08720.69
5.5.240.0100.04320.34
5.4.450.0870.05719.63
5.4.440.0770.07319.27
5.4.430.0900.06019.57
5.4.420.0730.06019.23
5.4.410.0130.05019.38
5.4.400.0700.05319.08
5.4.390.0200.04318.78
5.4.380.0930.05318.77
5.4.370.0700.04719.12
5.4.360.0670.05718.95
5.4.350.0830.05719.16
5.4.340.0030.03711.97
5.4.320.0100.04012.45
5.4.310.0070.03612.45
5.4.300.0070.04112.45
5.4.290.0060.03712.45
5.4.280.0050.04212.35
5.4.270.0050.03712.34
5.4.260.0070.03812.34
5.4.250.0060.04112.35
5.4.240.0100.03312.34
5.4.230.0100.03412.34
5.4.220.0050.03712.34
5.4.210.0080.03612.34
5.4.200.0070.03712.34
5.4.190.0100.03212.34
5.4.180.0080.03312.33
5.4.170.0060.04512.35
5.4.160.0070.03612.34
5.4.150.0050.03712.34
5.4.140.0070.04112.02
5.4.130.0060.03612.01
5.4.120.0070.03411.97
5.4.110.0030.03811.96
5.4.100.0040.03711.96
5.4.90.0020.04111.96
5.4.80.0060.03711.96
5.4.70.0070.03411.96
5.4.60.0040.03611.96
5.4.50.0090.04711.96
5.4.40.0070.03411.95
5.4.30.0060.03511.95
5.4.20.0040.03911.95
5.4.10.0070.03411.95
5.4.00.0110.03911.43
5.3.290.0050.04212.80
5.3.280.0110.03312.71
5.3.270.0110.03512.72
5.3.260.0060.04012.72
5.3.250.0070.03812.72
5.3.240.0050.03912.72
5.3.230.0070.03712.70
5.3.220.0040.03912.68
5.3.210.0070.03912.68
5.3.200.0060.03712.68
5.3.190.0060.03912.68
5.3.180.0070.04012.67
5.3.170.0090.03812.67
5.3.160.0090.03812.68
5.3.150.0020.04212.67
5.3.140.0070.03612.66
5.3.130.0080.03712.66
5.3.120.0030.04112.65
5.3.110.0020.04212.66
5.3.100.0100.03412.12
5.3.90.0100.03312.08
5.3.80.0040.03812.08
5.3.70.0070.04012.08
5.3.60.0080.03812.06
5.3.50.0060.03912.00
5.3.40.0060.03812.00
5.3.30.0100.03311.95
5.3.20.0040.04211.72
5.3.10.0050.03611.69
5.3.00.0060.04211.68
5.2.170.0080.0289.18
5.2.160.0070.0279.18
5.2.150.0030.0329.18
5.2.140.0040.0309.17
5.2.130.0040.0299.13
5.2.120.0040.0289.13
5.2.110.0060.0289.14
5.2.100.0030.0309.14
5.2.90.0040.0309.14
5.2.80.0040.0309.14
5.2.70.0050.0309.13
5.2.60.0060.0299.09
5.2.50.0060.0299.05
5.2.40.0040.0299.04
5.2.30.0060.0309.02
5.2.20.0060.0269.00
5.2.10.0040.0358.91
5.2.00.0040.0348.78
5.1.60.0030.0258.06
5.1.50.0030.0258.06
5.1.40.0030.0308.04
5.1.30.0060.0248.39
5.1.20.0070.0238.41
5.1.10.0050.0258.14
5.1.00.0050.0248.14
5.0.50.0030.0216.61
5.0.40.0040.0186.47
5.0.30.0070.0286.29
5.0.20.0050.0236.26
5.0.10.0050.0256.23
5.0.00.0020.0316.23
4.4.90.0030.0154.78
4.4.80.0020.0164.76
4.4.70.0030.0154.75
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0020.0294.71
4.4.30.0020.0154.75
4.4.20.0040.0144.84
4.4.10.0010.0174.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0030.0154.67
4.3.90.0040.0134.64
4.3.80.0060.0224.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0163.28
4.3.20.0020.0153.25
4.3.10.0040.0133.22
4.3.00.0070.0237.07

preferences:
47.29 ms | 401 KiB | 5 Q