3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string ='öl??lö aßßhda äödasdas'; var_dump($without = preg_split('/\s+/', $string)); var_dump($with = preg_split('/\s+/u', $string)); var_dump($with == $without);

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)
8.3.60.0140.00316.75
8.3.50.0080.01123.06
8.3.40.0090.00618.96
8.3.30.0100.00319.03
8.3.20.0040.00420.34
8.3.10.0030.00521.90
8.3.00.0030.00619.38
8.2.180.0130.00717.00
8.2.170.0050.01022.96
8.2.160.0110.00420.35
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.14
8.2.110.0030.00620.35
8.2.100.0090.00319.59
8.2.90.0050.00318.16
8.2.80.0050.00317.97
8.2.70.0080.00417.75
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0030.00618.16
8.2.30.0000.00718.06
8.2.20.0040.00417.89
8.2.10.0030.00618.25
8.2.00.0080.00017.99
8.1.280.0130.00325.92
8.1.270.0050.00323.79
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00822.05
8.1.230.0070.00420.90
8.1.220.0000.00817.74
8.1.210.0050.00319.04
8.1.200.0080.00317.48
8.1.190.0000.00817.47
8.1.180.0040.00418.89
8.1.170.0060.00318.77
8.1.160.0040.00422.03
8.1.150.0000.00718.95
8.1.140.0000.00717.66
8.1.130.0000.00817.81
8.1.120.0040.00417.64
8.1.110.0040.00417.63
8.1.100.0040.00417.54
8.1.90.0040.00317.49
8.1.80.0000.00717.59
8.1.70.0030.00517.48
8.1.60.0030.00617.74
8.1.50.0040.00417.53
8.1.40.0030.00617.63
8.1.30.0090.00017.77
8.1.20.0030.00617.82
8.1.10.0040.00417.52
8.1.00.0070.00017.52
8.0.300.0040.00420.23
8.0.290.0040.00416.88
8.0.280.0040.00418.52
8.0.270.0030.00317.27
8.0.260.0000.00817.20
8.0.250.0030.00317.14
8.0.240.0030.00317.13
8.0.230.0090.00016.96
8.0.220.0040.00417.05
8.0.210.0030.00317.11
8.0.200.0070.00017.16
8.0.190.0000.00817.07
8.0.180.0000.00717.11
8.0.170.0070.00017.02
8.0.160.0080.00017.15
8.0.150.0000.01017.01
8.0.140.0120.00017.01
8.0.130.0040.00213.48
8.0.120.0050.00317.11
8.0.110.0040.00417.14
8.0.100.0040.00417.25
8.0.90.0040.00417.07
8.0.80.0070.01317.04
8.0.70.0070.00017.11
8.0.60.0070.00017.19
8.0.50.0000.00817.14
8.0.30.0070.01217.05
8.0.20.0120.01017.40
8.0.10.0040.00417.00
8.0.00.0120.00716.92
7.4.330.0000.00615.21
7.4.320.0000.00616.86
7.4.300.0060.00016.77
7.4.290.0000.00716.89
7.4.280.0050.00216.75
7.4.270.0030.00316.72
7.4.260.0040.00416.86
7.4.250.0070.00016.75
7.4.240.0030.00416.78
7.4.230.0000.00716.75
7.4.220.0030.01316.77
7.4.210.0060.00916.77
7.4.200.0040.00416.95
7.4.160.0120.01216.62
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0170.00516.74
7.4.120.0120.00716.74
7.4.110.0040.01416.72
7.4.100.0150.00916.65
7.4.90.0170.00016.77
7.4.80.0150.00319.39
7.4.70.0130.00616.92
7.4.60.0090.00916.86
7.4.50.0040.00416.58
7.4.40.0170.00316.76
7.4.30.0030.01416.98
7.4.00.0000.01415.09
7.3.330.0050.00013.14
7.3.320.0030.00313.27
7.3.310.0000.00716.24
7.3.300.0070.00016.24
7.3.290.0070.01016.39
7.3.280.0060.01116.39
7.3.270.0130.00317.40
7.3.260.0090.01316.67
7.3.250.0070.01116.60
7.3.240.0030.01316.45
7.3.230.0090.00916.45
7.3.210.0130.00316.40
7.3.200.0100.00719.39
7.3.190.0090.01216.40
7.3.180.0070.01416.43
7.3.170.0160.00416.45
7.3.160.0060.01016.68
7.2.330.0070.01316.75
7.2.320.0060.01216.79
7.2.310.0050.01516.75
7.2.300.0140.00716.47
7.2.290.0060.01116.72
7.2.60.0120.00016.84
7.2.00.0000.01119.35
7.1.200.0080.00815.77
7.1.100.0050.00518.52
7.1.70.0000.00817.50
7.1.60.0100.01319.40
7.1.50.0070.01317.11
7.1.00.0070.07022.38
7.0.200.0040.00416.81
7.0.140.0100.06722.15
7.0.60.0000.04319.88
7.0.50.0070.05317.91
7.0.40.0070.07720.21
7.0.30.0230.04020.32
7.0.20.0330.07320.16
7.0.10.0000.04720.12
7.0.00.0130.03720.13
5.6.280.0030.07321.07
5.6.210.0100.08320.61
5.6.200.0070.05018.23
5.6.190.0130.08020.67
5.6.180.3830.03720.39
5.6.170.0200.05320.38
5.6.160.0070.04020.48
5.6.150.0070.07318.21
5.6.140.0030.04318.10
5.6.130.0030.09018.11
5.6.120.0030.09020.98
5.6.110.0130.08020.99
5.6.100.0030.09321.07
5.6.90.0200.07020.87
5.6.80.0030.04720.52
5.6.70.4470.04020.39
5.5.350.0230.05720.36
5.5.340.0070.08717.95
5.5.330.0130.07720.40
5.5.320.3070.04320.32
5.5.310.0100.05320.26
5.5.300.0030.07717.91
5.5.290.0070.09017.92
5.5.280.0000.05020.95
5.5.270.0130.08020.74
5.5.260.0100.08020.75
5.5.250.0030.04020.61
5.5.240.0200.06320.23
5.4.450.0800.04319.46
5.4.440.0330.02719.48
5.4.430.0470.04719.41
5.4.420.0430.03719.24
5.4.410.0400.03719.25
5.4.400.0130.04319.18
5.4.390.0470.04018.91
5.4.380.0770.06318.67
5.4.370.1130.05318.69
5.4.360.1070.04718.67
5.4.350.1000.05718.60
5.4.340.1070.04318.61
5.4.320.0040.04812.45
5.4.310.0100.03412.45
5.4.300.0060.03612.45
5.4.290.0080.03512.45
5.4.280.0080.03312.34
5.4.270.0040.03812.35
5.4.260.0060.03712.34
5.4.250.0030.04412.35
5.4.240.0060.03512.35
5.4.230.0040.03912.34
5.4.220.0050.03712.34
5.4.210.0050.03712.34
5.4.200.0040.04012.34
5.4.190.0050.03712.33
5.4.180.0050.03712.34
5.4.170.0040.03712.34
5.4.160.0070.03512.34
5.4.150.0030.03912.34
5.4.140.0040.03912.02
5.4.130.0050.03512.01
5.4.120.0080.03211.96
5.4.110.0060.03411.97
5.4.100.0060.03411.96
5.4.90.0040.03811.96
5.4.80.0070.03411.96
5.4.70.0070.03311.96
5.4.60.0020.03911.96
5.4.50.0080.03311.96
5.4.40.0050.04011.95
5.4.30.0040.03711.95
5.4.20.0070.03411.95
5.4.10.0050.03511.95
5.4.00.0040.03811.43
5.3.290.0070.04312.80
5.3.280.0070.03712.71
5.3.270.0090.03512.72
5.3.260.0070.04312.72
5.3.250.0060.03612.72
5.3.240.0050.03712.71
5.3.230.0080.03612.71
5.3.220.0070.03512.68
5.3.210.0040.04112.68
5.3.200.0040.04012.68
5.3.190.0080.03512.67
5.3.180.0050.04312.67
5.3.170.0060.03712.66
5.3.160.0060.03712.68
5.3.150.0040.03912.67
5.3.140.0060.03712.66
5.3.130.0030.04212.66
5.3.120.0080.03612.66
5.3.110.0040.04112.66
5.3.100.0040.03912.12
5.3.90.0050.03712.08
5.3.80.0060.03612.07
5.3.70.0070.03812.07
5.3.60.0060.03812.07
5.3.50.0060.03512.00
5.3.40.0030.04012.00
5.3.30.0070.03611.94
5.3.20.0080.03311.72
5.3.10.0040.04011.69
5.3.00.0060.04111.68
5.2.170.0070.0289.18
5.2.160.0040.0299.18
5.2.150.0020.0369.18
5.2.140.0030.0329.17
5.2.130.0040.0309.13
5.2.120.0040.0289.13
5.2.110.0040.0299.14
5.2.100.0040.0309.14
5.2.90.0080.0269.14
5.2.80.0070.0339.14
5.2.70.0070.0299.13
5.2.60.0030.0369.09
5.2.50.0070.0289.06
5.2.40.0060.0289.04
5.2.30.0030.0329.02
5.2.20.0030.0319.00
5.2.10.0060.0278.92
5.2.00.0030.0308.78
5.1.60.0060.0238.06
5.1.50.0030.0278.05
5.1.40.0050.0248.04
5.1.30.0060.0298.39
5.1.20.0060.0278.41
5.1.10.0050.0268.14
5.1.00.0030.0288.13
5.0.50.0040.0206.62
5.0.40.0040.0196.47
5.0.30.0040.0356.29
5.0.20.0050.0186.26
5.0.10.0040.0206.24
5.0.00.0050.0326.23
4.4.90.0020.0174.78
4.4.80.0040.0214.75
4.4.70.0030.0214.75
4.4.60.0040.0204.76
4.4.50.0040.0174.77
4.4.40.0050.0314.71
4.4.30.0030.0154.76
4.4.20.0050.0144.85
4.4.10.0020.0164.85
4.4.00.0000.0354.76
4.3.110.0030.0164.67
4.3.100.0040.0144.67
4.3.90.0020.0154.64
4.3.80.0050.0304.58
4.3.70.0030.0144.63
4.3.60.0020.0184.63
4.3.50.0040.0244.62
4.3.40.0020.0314.54
4.3.30.0020.0223.29
4.3.20.0030.0193.27
4.3.10.0010.0263.22
4.3.00.0270.01715.91

preferences:
47.42 ms | 401 KiB | 5 Q