3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = 'ямайка и так далее'; $result = preg_replace('/(\s)?ямайка(?(1)|\s?)/x', '', $subject); echo $result;

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)
8.3.40.0100.00618.96
8.3.30.0070.00719.04
8.3.20.0040.00420.34
8.3.10.0080.00021.85
8.3.00.0080.00019.51
8.2.170.0100.00722.96
8.2.160.0070.01020.35
8.2.150.0040.00424.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00322.36
8.2.110.0040.00422.33
8.2.100.0060.00618.22
8.2.90.0000.00919.25
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0100.00017.80
8.2.50.0040.00418.07
8.2.40.0030.00619.95
8.2.30.0070.00018.07
8.2.20.0060.00317.76
8.2.10.0000.00818.23
8.2.00.0000.00717.77
8.1.270.0090.00021.95
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.68
8.1.230.0070.00419.48
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0050.00517.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0040.00418.62
8.1.160.0000.00721.89
8.1.150.0000.00718.86
8.1.140.0080.00017.49
8.1.130.0050.00317.76
8.1.120.0040.00317.47
8.1.110.0000.00717.59
8.1.100.0040.00417.57
8.1.90.0040.00417.47
8.1.80.0040.00417.44
8.1.70.0030.00317.47
8.1.60.0030.00517.70
8.1.50.0050.00317.63
8.1.40.0040.00417.52
8.1.30.0030.00617.73
8.1.20.0050.00317.64
8.1.10.0000.00817.65
8.1.00.0040.00417.61
8.0.300.0000.00818.77
8.0.290.0000.00816.75
8.0.280.0000.00718.39
8.0.270.0030.00317.20
8.0.260.0030.00317.29
8.0.250.0040.00417.09
8.0.240.0040.00416.97
8.0.230.0000.00717.04
8.0.220.0060.00316.99
8.0.210.0060.00017.00
8.0.200.0000.00616.99
8.0.190.0040.00416.97
8.0.180.0070.00016.96
8.0.170.0040.00416.92
8.0.160.0040.00416.99
8.0.150.0040.00416.85
8.0.140.0070.00016.93
8.0.130.0060.00013.45
8.0.120.0000.00716.88
8.0.110.0050.00317.04
8.0.100.0080.00016.99
8.0.90.0000.00716.89
8.0.80.0060.00916.94
8.0.70.0040.00416.96
8.0.60.0000.00817.02
8.0.50.0040.00416.77
8.0.30.0090.00917.18
8.0.20.0060.01317.40
8.0.10.0000.00817.20
8.0.00.0080.01116.97
7.4.330.0030.00315.00
7.4.320.0030.00316.53
7.4.300.0030.00316.70
7.4.290.0030.00316.79
7.4.280.0040.00416.72
7.4.270.0070.00016.55
7.4.260.0000.00716.69
7.4.250.0040.00416.70
7.4.240.0020.00516.64
7.4.230.0050.00316.66
7.4.220.0110.00716.73
7.4.210.0070.00716.68
7.4.200.0000.00716.77
7.4.160.0080.00816.81
7.4.150.0000.01617.40
7.4.140.0120.00617.86
7.4.130.0140.00516.64
7.4.120.0080.01016.52
7.4.110.0080.01116.73
7.4.100.0110.00816.58
7.4.90.0160.00316.70
7.4.80.0030.01319.39
7.4.70.0000.01616.79
7.4.60.0060.01016.56
7.4.50.0070.00016.69
7.4.40.0090.01316.32
7.4.30.0060.01016.72
7.4.00.0080.00815.18
7.3.330.0050.00013.29
7.3.320.0060.00013.29
7.3.310.0030.00316.38
7.3.300.0030.00316.29
7.3.290.0030.01016.40
7.3.280.0090.01016.36
7.3.270.0090.00917.40
7.3.260.0110.00516.36
7.3.250.0100.00616.34
7.3.240.0110.00716.31
7.3.230.0080.01316.63
7.3.210.0060.01216.62
7.3.200.0090.00919.39
7.3.190.0110.01116.43
7.3.180.0090.00716.28
7.3.170.0160.00416.78
7.3.160.0100.00616.63
7.3.120.0060.01314.54
7.3.110.0120.00415.18
7.3.100.0030.00715.12
7.3.90.0070.01114.84
7.3.80.0080.00814.84
7.3.70.0070.00315.04
7.3.60.0090.00614.72
7.3.50.0070.00315.02
7.3.40.0070.00714.72
7.3.30.0090.00914.91
7.3.20.0060.01316.51
7.3.10.0120.00316.73
7.3.00.0040.00816.69
7.2.330.0100.00716.89
7.2.320.0140.00316.55
7.2.310.0090.00916.48
7.2.300.0100.00616.74
7.2.290.0070.01016.80
7.2.250.0130.00714.84
7.2.240.0100.01015.23
7.2.230.0140.00414.99
7.2.220.0100.00315.07
7.2.210.0080.00815.08
7.2.200.0000.01114.95
7.2.190.0130.00314.69
7.2.180.0000.00915.09
7.2.170.0000.01714.94
7.2.00.0000.01019.42
7.1.330.0030.01015.82
7.1.320.0000.01015.82
7.1.310.0130.00016.01
7.1.300.0040.00415.90
7.1.290.0030.00616.10
7.1.280.0100.00315.87
7.1.270.0070.01015.93
7.1.260.0030.00915.95
7.1.100.0040.00718.02
7.1.70.0060.00917.42
7.1.60.0070.01719.11
7.1.50.0160.00617.16
7.1.00.0070.07322.46
7.0.200.0090.00616.88
7.0.140.0030.07722.00
7.0.60.0100.08319.84
7.0.50.0130.06017.82
7.0.40.0130.08320.22
7.0.30.0200.04020.11
7.0.20.0230.06720.32
7.0.10.0130.07720.02
7.0.00.0100.07720.10
5.6.280.0130.06321.09
5.6.210.0130.06720.76
5.6.200.0030.05718.19
5.6.190.0130.08020.41
5.6.180.0400.04020.67
5.6.170.0230.06720.54
5.6.160.0070.08720.44
5.6.150.0100.07718.11
5.6.140.0100.07718.07
5.6.130.0070.04318.08
5.6.120.0070.07321.09
5.6.110.0170.07321.02
5.6.100.0070.03720.97
5.6.90.0100.08320.95
5.6.80.0070.07020.41
5.5.350.0100.08720.39
5.5.340.0130.03017.99
5.5.330.0030.06020.37
5.5.320.0300.04320.28
5.5.310.0170.04020.24
5.5.300.0100.07718.00
5.5.290.0070.03717.93
5.5.280.0100.08720.75
5.5.270.0170.06320.64
5.5.260.0130.06720.86
5.5.250.0130.06320.60
5.5.240.0230.07720.28
5.4.450.0830.06019.54
5.4.440.0770.08019.46
5.4.430.0770.06719.61
5.4.420.0670.00019.46
5.4.410.0630.00019.34
5.4.400.0630.00019.19
5.4.390.0630.00019.14
5.4.380.0870.00019.13
5.4.370.0630.00019.06
5.4.360.0630.00019.14
5.4.350.0800.00019.26
5.4.340.0070.03511.97
5.4.320.0050.03912.45
5.4.310.0060.03812.45
5.4.300.0080.03412.45
5.4.290.0090.03912.45
5.4.280.0030.03812.34
5.4.270.0070.03512.35
5.4.260.0060.03712.34
5.4.250.0070.03712.34
5.4.240.0050.03712.35
5.4.230.0020.04112.34
5.4.220.0050.03612.34
5.4.210.0060.03512.34
5.4.200.0070.03812.34
5.4.190.0030.03912.33
5.4.180.0100.04112.33
5.4.170.0070.03612.35
5.4.160.0050.03612.34
5.4.150.0050.03612.34
5.4.140.0030.03812.02
5.4.130.0040.03612.01
5.4.120.0040.03611.97
5.4.110.0050.03511.96
5.4.100.0060.03411.96
5.4.90.0090.03311.96
5.4.80.0040.03811.96
5.4.70.0050.04111.96
5.4.60.0110.03311.96
5.4.50.0080.03911.96
5.4.40.0060.03411.95
5.4.30.0090.03211.95
5.4.20.0060.03511.95
5.4.10.0070.03311.95
5.4.00.0070.03811.43
5.3.290.0080.04012.80
5.3.280.0050.03812.71
5.3.270.0060.03812.72
5.3.260.0070.04012.72
5.3.250.0070.03612.72
5.3.240.0070.03712.72
5.3.230.0070.03712.71
5.3.220.0120.04412.68
5.3.210.0070.03812.68
5.3.200.0040.03812.68
5.3.190.0080.04112.68
5.3.180.0050.03712.67
5.3.170.0040.03812.67
5.3.160.0060.03612.67
5.3.150.0080.03512.67
5.3.140.0110.03012.66
5.3.130.0060.03812.66
5.3.120.0060.03812.66
5.3.110.0070.03812.66
5.3.100.0080.03412.12
5.3.90.0080.03412.08
5.3.80.0090.03312.08
5.3.70.0060.03612.07
5.3.60.0070.03512.07
5.3.50.0080.03512.00
5.3.40.0030.04012.00
5.3.30.0070.03411.95
5.3.20.0020.03911.73
5.3.10.0070.03311.70
5.3.00.0070.03411.68
5.2.170.0040.0309.19
5.2.160.0040.0299.19
5.2.150.0050.0309.19
5.2.140.0060.0299.19
5.2.130.0080.0269.15
5.2.120.0070.0269.14
5.2.110.0040.0329.16
5.2.100.0050.0299.14
5.2.90.0060.0289.14
5.2.80.0030.0319.14
5.2.70.0060.0289.14
5.2.60.0040.0309.10
5.2.50.0020.0329.06
5.2.40.0060.0279.05
5.2.30.0060.0299.02
5.2.20.0030.0309.01
5.2.10.0020.0378.93
5.2.00.0020.0318.79
5.1.60.0030.0248.07
5.1.50.0050.0258.07
5.1.40.0030.0258.05
5.1.30.0050.0268.40
5.1.20.0060.0258.42
5.1.10.0050.0258.14
5.1.00.0070.0238.14
5.0.50.0060.0196.63
5.0.40.0040.0206.48
5.0.30.0020.0336.30
5.0.20.0090.0226.27
5.0.10.0020.0266.25
5.0.00.0030.0316.24
4.4.90.0030.0154.77
4.4.80.0020.0154.76
4.4.70.0040.0144.75
4.4.60.0030.0154.75
4.4.50.0030.0144.77
4.4.40.0000.0284.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0050.0164.84
4.4.00.0030.0254.75
4.3.110.0010.0174.67
4.3.100.0050.0134.67
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0060.0114.63
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0010.0173.29
4.3.20.0020.0153.27
4.3.10.0030.0153.23
4.3.00.0130.0207.43

preferences:
41.7 ms | 400 KiB | 5 Q