3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xE4B880\xE4B880", $matches)); var_dump($matches); var_dump(preg_match('//u', "\xF0A0808B", $matches)); var_dump($matches); var_dump(preg_match('//u', "𠀋", $matches)); var_dump($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)
8.3.60.0170.00316.60
8.3.50.0120.01023.08
8.3.40.0170.00318.93
8.3.30.0070.00719.04
8.3.20.0090.00620.34
8.3.10.0040.00423.52
8.3.00.0000.00819.38
8.2.180.0110.00418.42
8.2.170.0090.00622.96
8.2.160.0060.00920.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.92
8.2.110.0060.00319.34
8.2.100.0070.00417.91
8.2.90.0000.00818.92
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0040.00417.68
8.2.50.0000.00818.10
8.2.40.0090.00019.88
8.2.30.0050.00618.02
8.2.20.0070.00017.79
8.2.10.0040.00417.95
8.2.00.0000.00717.70
8.1.280.0130.01025.92
8.1.270.0040.00423.79
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00322.21
8.1.230.0080.00417.66
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.25
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0040.00418.62
8.1.160.0040.00421.97
8.1.150.0070.00318.69
8.1.140.0020.01017.43
8.1.130.0030.00317.73
8.1.120.0040.00417.49
8.1.110.0030.00617.33
8.1.100.0000.00717.51
8.1.90.0040.00417.38
8.1.80.0000.00717.51
8.1.70.0030.00317.36
8.1.60.0030.00617.49
8.1.50.0000.00817.57
8.1.40.0040.00417.56
8.1.30.0000.00817.50
8.1.20.0000.00717.68
8.1.10.0000.00817.52
8.1.00.0060.00317.50
8.0.300.0030.00818.77
8.0.290.0050.00316.75
8.0.280.0000.01018.32
8.0.270.0030.00317.15
8.0.260.0030.00317.04
8.0.250.0070.00017.01
8.0.240.0080.00017.04
8.0.230.0030.00317.05
8.0.220.0070.00016.98
8.0.210.0000.00716.93
8.0.200.0000.00617.09
8.0.190.0000.00717.05
8.0.180.0030.00716.98
8.0.170.0030.00617.06
8.0.160.0040.00417.04
8.0.150.0000.00716.87
8.0.140.0070.00016.80
8.0.130.0040.00413.38
8.0.120.0000.00716.87
8.0.110.0050.00217.01
8.0.100.0030.00616.93
8.0.90.0040.00416.77
8.0.80.0080.00816.88
8.0.70.0000.00716.95
8.0.60.0040.00416.89
8.0.50.0000.00717.00
8.0.30.0170.00317.05
8.0.20.0090.00917.40
8.0.10.0000.00916.93
8.0.00.0120.00516.84
7.4.330.0060.00015.00
7.4.320.0030.00316.69
7.4.300.0040.00416.70
7.4.290.0030.00316.57
7.4.280.0030.00516.67
7.4.270.0000.00716.61
7.4.260.0050.00316.56
7.4.250.0070.00016.65
7.4.240.0030.00516.57
7.4.230.0070.00016.61
7.4.220.0090.00916.75
7.4.210.0030.01116.59
7.4.200.0000.00716.77
7.4.160.0090.00616.61
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0110.00816.58
7.4.120.0100.00716.57
7.4.110.0050.01316.55
7.4.100.0150.00316.46
7.4.90.0140.01016.64
7.4.80.0100.00719.39
7.4.70.0030.01316.52
7.4.60.0140.00316.40
7.4.50.0000.00516.61
7.4.40.0060.01016.44
7.4.30.0090.00616.75
7.4.00.0040.01215.18
7.3.330.0000.00613.14
7.3.320.0030.00313.07
7.3.310.0030.00316.47
7.3.300.0030.00316.22
7.3.290.0040.01516.35
7.3.280.0080.00916.31
7.3.270.0090.00617.40
7.3.260.0100.00916.68
7.3.250.0030.01416.62
7.3.240.0110.00616.26
7.3.230.0100.00716.39
7.3.210.0110.00716.30
7.3.200.0160.00019.39
7.3.190.0030.01816.19
7.3.180.0040.01116.49
7.3.170.0100.01016.51
7.3.160.0060.00916.73
7.2.330.0090.00916.71
7.2.320.0070.01016.53
7.2.310.0120.00916.59
7.2.300.0080.00816.41
7.2.290.0080.01116.40
7.1.70.0060.00617.25
7.1.60.0030.02019.46
7.1.50.0070.01117.12
7.1.00.0000.08022.55
7.0.200.0030.00616.86
7.0.140.0030.07322.04
7.0.60.0070.08019.93
7.0.50.0030.04017.96
7.0.40.0030.05020.07
7.0.30.0530.05320.05
7.0.20.0270.03020.15
7.0.10.0200.09020.13
7.0.00.0070.08720.18
5.6.280.0070.07021.14
5.6.210.0170.06020.66
5.6.200.0130.07018.08
5.6.190.0070.08320.41
5.6.180.0230.04720.48
5.6.170.0130.07020.53
5.6.160.0100.06320.51
5.6.150.0070.04018.09
5.6.140.0200.03718.21
5.6.130.0130.07718.20
5.6.120.0070.08721.11
5.6.110.0100.04021.02
5.6.100.0070.03721.00
5.6.90.0170.07020.94
5.6.80.0100.07320.39
5.6.70.0070.04720.38
5.5.350.0270.07320.47
5.5.340.0100.07717.94
5.5.330.0100.04020.07
5.5.320.0130.04320.27
5.5.310.0270.08020.29
5.5.300.0030.08718.02
5.5.290.0100.06717.94
5.5.280.0070.05320.87
5.5.270.0130.07720.76
5.5.260.0170.07720.73
5.5.250.0070.08720.79
5.5.240.0070.04720.36
5.4.450.0300.03319.43
5.4.440.1470.04719.27
5.4.430.0330.04019.54
5.4.420.0170.04319.23
5.4.410.0200.04019.44
5.4.400.0270.03719.07
5.4.390.0100.05718.68
5.4.380.0330.05018.74
5.4.370.0400.05018.61
5.4.360.0300.06318.61
5.4.350.0370.05318.68
5.4.340.0230.06018.46
5.4.320.0060.03712.45
5.4.310.0110.04112.45
5.4.300.0090.03912.45
5.4.290.0040.03912.45
5.4.280.0050.03712.34
5.4.270.0050.03812.34
5.4.260.0060.03712.34
5.4.250.0070.03712.35
5.4.240.0050.03712.35
5.4.230.0090.03412.34
5.4.220.0070.03512.34
5.4.210.0100.03612.34
5.4.200.0110.04012.34
5.4.190.0060.04312.33
5.4.180.0030.03912.33
5.4.170.0030.04812.34
5.4.160.0080.03412.34
5.4.150.0050.03812.34
5.4.140.0050.03812.02
5.4.130.0050.03612.01
5.4.120.0080.03911.97
5.4.110.0030.04211.96
5.4.100.0080.03811.96
5.4.90.0030.03911.96
5.4.80.0060.03611.96
5.4.70.0070.03311.96
5.4.60.0080.03211.96
5.4.50.0070.04111.96
5.4.40.0060.03611.95
5.4.30.0100.03511.94
5.4.20.0060.03811.95
5.4.10.0040.03511.95
5.4.00.0070.03311.43
5.3.290.0100.03412.80
5.3.280.0050.03812.71
5.3.270.0030.04112.72
5.3.260.0040.04012.71
5.3.250.0060.03712.72
5.3.240.0090.03512.72
5.3.230.0120.03912.71
5.3.220.0070.03712.68
5.3.210.0050.03912.68
5.3.200.0050.03712.68
5.3.190.0050.03912.68
5.3.180.0030.03912.67
5.3.170.0080.03412.67
5.3.160.0080.03512.68
5.3.150.0080.03512.67
5.3.140.0110.04912.66
5.3.130.0090.03612.66
5.3.120.0060.03912.65
5.3.110.0080.04512.66
5.3.100.0050.03912.12
5.3.90.0070.03512.09
5.3.80.0060.03612.07
5.3.70.0040.03812.08
5.3.60.0060.03612.06
5.3.50.0050.04112.00
5.3.40.0070.03712.00
5.3.30.0050.03711.94
5.3.20.0040.03811.72
5.3.10.0080.03211.69
5.3.00.0060.03511.68
5.2.170.0080.0269.18
5.2.160.0060.0299.18
5.2.150.0090.0289.18
5.2.140.0060.0299.17
5.2.130.0050.0319.14
5.2.120.0070.0369.13
5.2.110.0050.0349.14
5.2.100.0000.0409.14
5.2.90.0050.0369.14
5.2.80.0080.0369.13
5.2.70.0050.0319.14
5.2.60.0050.0339.09
5.2.50.0040.0319.06
5.2.40.0020.0309.04
5.2.30.0040.0399.01
5.2.20.0060.0369.00
5.2.10.0050.0318.92
5.2.00.0060.0308.77
5.1.60.0060.0218.06
5.1.50.0050.0288.05
5.1.40.0070.0268.04
5.1.30.0030.0268.39
5.1.20.0070.0298.41
5.1.10.0070.0268.13
5.1.00.0020.0278.14
5.0.50.0060.0246.61
5.0.40.0040.0186.48
5.0.30.0040.0306.29
5.0.20.0050.0176.26
5.0.10.0030.0256.23
5.0.00.0050.0336.23
4.4.90.0040.0194.78
4.4.80.0030.0144.75
4.4.70.0010.0174.75
4.4.60.0010.0184.75
4.4.50.0040.0174.77
4.4.40.0030.0284.71
4.4.30.0030.0194.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0020.0154.64
4.3.80.0010.0264.58
4.3.70.0010.0164.63
4.3.60.0000.0174.63
4.3.50.0030.0154.63
4.3.40.0050.0314.54
4.3.30.0040.0153.28
4.3.20.0040.0143.25
4.3.10.0040.0183.22
4.3.00.0070.01715.69

preferences:
38.28 ms | 401 KiB | 5 Q