3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(?:([\t ])\1{1,})|(?:(\n\n)\n+)/m'; $str = ' Сегодня вечером фцвфцвфцвфцв '; $subst = '$1$2'; $result = preg_replace($re, $subst, $str); echo trim($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)
8.4.120.0090.00717.94
8.4.110.0120.00724.34
8.4.100.0140.00717.85
8.4.90.0120.01020.86
8.4.80.0090.00318.98
8.4.70.0120.00618.89
8.4.60.0080.00720.61
8.4.50.0110.00918.64
8.4.40.0060.00619.84
8.4.30.0070.01020.32
8.4.20.0090.00018.11
8.4.10.0000.00819.65
8.3.250.0120.00616.67
8.3.240.0080.01116.64
8.3.230.0060.00416.59
8.3.220.0040.00419.06
8.3.210.0140.00516.90
8.3.200.0080.00116.77
8.3.190.0050.00919.09
8.3.180.0130.00619.04
8.3.170.0180.00017.04
8.3.160.0090.00919.02
8.3.150.0130.00616.81
8.3.140.0110.00716.62
8.3.130.0070.00716.71
8.3.120.0030.00618.68
8.3.110.0060.00320.94
8.3.100.0000.01024.06
8.3.90.0040.00426.77
8.3.80.0100.00019.36
8.3.70.0130.00316.75
8.3.60.0070.01418.55
8.3.50.0070.01023.69
8.3.40.0070.00718.95
8.3.30.0000.01418.96
8.3.20.0030.00720.85
8.3.10.0080.00020.21
8.3.00.0040.00421.88
8.2.290.0150.00516.95
8.2.280.0100.00720.09
8.2.270.0060.01316.76
8.2.260.0040.00417.26
8.2.250.0150.00318.41
8.2.240.0090.00017.51
8.2.230.0040.00422.58
8.2.220.0040.00437.54
8.2.210.0070.01026.77
8.2.200.0040.00418.88
8.2.190.0100.01016.63
8.2.180.0070.00716.48
8.2.170.0140.00022.96
8.2.160.0100.00320.57
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00826.16
8.2.110.0060.00322.33
8.2.100.0080.00317.79
8.2.90.0060.00317.88
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0040.00417.75
8.2.50.0040.00418.04
8.2.40.0030.00617.75
8.2.30.0040.00417.99
8.2.20.0040.00418.07
8.2.10.0040.00419.20
8.2.00.0000.00719.39
8.1.330.0130.00716.41
8.1.320.0100.00817.91
8.1.310.0090.00916.75
8.1.300.0100.00716.28
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0050.00320.92
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.03
8.1.230.0060.00620.97
8.1.220.0080.00017.78
8.1.210.0080.00018.77
8.1.200.0060.00317.48
8.1.190.0050.00317.35
8.1.180.0030.00518.10
8.1.170.0030.00517.65
8.1.160.0000.00718.82
8.1.150.0040.00418.92
8.1.140.0050.00322.16
8.1.130.0040.00419.96
8.1.120.0060.00317.40
8.1.110.0040.00417.43
8.1.100.0030.00617.59
8.1.90.0000.00817.50
8.1.80.0070.00017.58
8.1.70.0040.00417.50
8.1.60.0030.00517.68
8.1.50.0080.00017.56
8.1.40.0030.00617.59
8.1.30.0080.00417.64
8.1.20.0040.00417.73
8.1.10.0050.00317.62
8.1.00.0040.00417.52
8.0.300.0000.00820.06
8.0.290.0060.00316.88
8.0.280.0000.00718.46
8.0.270.0000.00818.02
8.0.260.0030.00320.00
8.0.250.0030.00317.07
8.0.240.0070.00017.03
8.0.230.0050.00317.05
8.0.220.0070.00017.09
8.0.210.0030.00316.88
8.0.200.0050.00217.07
8.0.190.0080.00017.02
8.0.180.0070.00017.05
8.0.170.0000.00916.82
8.0.160.0050.00316.82
8.0.150.0040.00416.96
8.0.140.0040.00416.90
8.0.130.0000.00513.38
8.0.120.0040.00417.04
8.0.110.0030.00516.97
8.0.100.0000.00817.05
8.0.90.0060.00316.99
8.0.80.0090.00616.98
8.0.70.0040.00416.90
8.0.60.0040.00417.09
8.0.50.0040.00417.03
8.0.30.0130.00617.42
8.0.20.0140.00417.01
8.0.10.0030.00617.16
8.0.00.0150.00316.84
7.4.330.0030.00315.55
7.4.320.0030.00316.70
7.4.300.0060.00016.79
7.4.290.0000.00716.79
7.4.280.0030.00616.82
7.4.270.0030.00316.72
7.4.260.0050.00013.45
7.4.250.0030.00316.77
7.4.240.0000.00816.76
7.4.230.0000.00716.91
7.4.220.0000.00716.72
7.4.210.0070.00916.79
7.4.200.0050.00316.46
7.4.130.0110.01016.88
7.4.120.0120.00616.63
7.4.110.0070.01016.55
7.4.100.0110.01116.68
7.4.90.0160.00316.73
7.4.80.0070.01119.39
7.4.70.0070.01416.60
7.4.60.0100.00716.63
7.4.50.0030.00716.59
7.4.40.0030.01316.59
7.4.00.0060.00915.28
7.3.330.0000.00716.34
7.3.320.0020.00213.15
7.3.310.0000.00716.30
7.3.300.0000.00716.24
7.3.290.0050.01016.32
7.3.280.0120.00316.30
7.3.260.0100.00716.64
7.3.240.0090.00916.54
7.3.230.0130.00416.65
7.3.210.0100.00716.41
7.3.200.0100.01316.32
7.3.190.0160.00616.41
7.3.180.0150.00616.38
7.3.170.0030.01616.29
7.3.160.0080.01016.45
7.3.120.0040.01114.89
7.3.110.0090.00614.87
7.3.100.0140.00014.79
7.3.90.0080.00815.05
7.3.80.0070.01114.54
7.3.70.0090.00514.68
7.3.60.0140.00714.94
7.3.50.0030.01014.80
7.3.40.0090.01115.00
7.3.30.0080.01214.72
7.3.20.0100.00716.71
7.3.10.0120.00316.66
7.3.00.0090.00616.67
7.2.330.0000.01616.74
7.2.320.0070.01016.59
7.2.310.0130.01016.82
7.2.300.0120.00616.57
7.2.290.0070.01016.69
7.2.250.0110.00315.14
7.2.240.0030.01014.85
7.2.230.0070.01115.11
7.2.220.0040.01115.11
7.2.210.0050.01015.16
7.2.200.0090.00915.09
7.2.190.0110.00415.02
7.2.180.0160.00315.09
7.2.170.0120.00915.14
7.1.330.0060.00613.94
7.1.320.0130.00814.13
7.1.310.0070.00713.96
7.1.300.0040.01013.93
7.1.290.0060.01313.95
7.1.280.0070.00714.07
7.1.270.0460.00315.69
7.1.260.0080.00915.95

preferences:
37.48 ms | 403 KiB | 5 Q