3v4l.org

run code in 300+ PHP versions simultaneously
<?php $match = preg_replace_callback(array('/\d/', '/a/'), function($matches)use(&$result){ $result[] = $matches; return '_'; }, 'ada2d1', 1); print_r($match); print_r($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)
8.3.60.0070.00716.63
8.3.50.0110.00922.06
8.3.40.0150.00018.92
8.3.30.0060.00919.08
8.3.20.0000.00720.17
8.3.10.0030.00621.70
8.3.00.0060.00319.50
8.2.180.0160.00618.29
8.2.170.0070.01022.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00422.13
8.2.110.0090.00021.96
8.2.100.0030.00917.84
8.2.90.0000.00819.14
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00419.95
8.2.30.0040.00419.82
8.2.20.0000.00817.82
8.2.10.0070.00018.02
8.2.00.0000.00917.88
8.1.280.0080.00825.92
8.1.270.0040.00723.99
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00324.02
8.1.230.0090.00319.05
8.1.220.0060.00317.80
8.1.210.0040.00418.77
8.1.200.0030.00617.61
8.1.190.0050.00317.38
8.1.180.0050.00318.10
8.1.170.0000.00818.77
8.1.160.0000.00722.00
8.1.150.0000.00818.66
8.1.140.0040.00417.52
8.1.130.0030.00317.84
8.1.120.0040.00417.63
8.1.110.0060.00317.50
8.1.100.0030.00517.59
8.1.90.0030.00517.56
8.1.80.0000.00817.61
8.1.70.0070.00017.62
8.1.60.0040.00417.70
8.1.50.0000.00817.58
8.1.40.0000.00817.59
8.1.30.0040.00417.77
8.1.20.0030.00517.71
8.1.10.0000.00817.62
8.1.00.0000.00717.61
8.0.300.0030.00520.60
8.0.290.0040.00417.05
8.0.280.0030.00318.45
8.0.270.0000.00717.32
8.0.260.0000.00617.32
8.0.250.0000.00717.05
8.0.240.0000.00717.02
8.0.230.0050.00317.15
8.0.220.0070.00017.00
8.0.210.0000.00716.98
8.0.200.0030.00316.95
8.0.190.0030.00517.11
8.0.180.0000.00717.05
8.0.170.0040.00417.02
8.0.160.0070.00016.97
8.0.150.0070.00016.92
8.0.140.0040.00417.00
8.0.130.0000.00513.39
8.0.120.0040.00417.00
8.0.110.0050.00216.92
8.0.100.0030.00516.97
8.0.90.0040.00416.93
8.0.80.0040.01117.05
8.0.70.0070.00016.98
8.0.60.0040.00416.83
8.0.50.0040.00417.09
8.0.30.0080.01017.16
8.0.20.0070.01117.40
8.0.10.0000.00817.10
8.0.00.0080.01016.78
7.4.330.0060.00015.00
7.4.320.0000.00716.71
7.4.300.0030.00316.62
7.4.290.0070.00016.70
7.4.280.0040.00416.77
7.4.270.0030.00616.64
7.4.260.0070.00016.77
7.4.250.0070.00016.75
7.4.240.0000.00716.79
7.4.230.0000.00716.82
7.4.220.0090.00916.90
7.4.210.0070.00716.71
7.4.200.0030.00316.68
7.4.190.0000.00716.66
7.4.160.0030.01316.82
7.4.150.0140.00417.40
7.4.140.0100.00717.86
7.4.130.0130.00616.65
7.4.120.0140.00616.68
7.4.110.0060.01216.56
7.4.100.0140.00716.87
7.4.90.0170.00016.67
7.4.80.0050.01419.39
7.4.70.0000.01616.79
7.4.60.0110.00616.41
7.4.50.0080.00016.74
7.4.40.0060.01316.57
7.4.30.0030.02116.39
7.4.00.0070.00715.34
7.3.330.0050.00013.50
7.3.320.0060.00013.43
7.3.310.0030.00316.47
7.3.300.0000.00816.40
7.3.290.0060.00616.50
7.3.280.0130.00416.38
7.3.270.0100.00717.40
7.3.260.0070.01016.41
7.3.250.0070.01416.70
7.3.240.0040.01216.61
7.3.230.0130.00416.39
7.3.210.0090.00916.29
7.3.200.0070.01119.39
7.3.190.0100.01016.68
7.3.180.0070.01116.66
7.3.170.0100.00616.70
7.3.160.0110.00516.43
7.3.120.0100.00314.97
7.3.110.0000.01514.88
7.3.100.0090.00615.22
7.3.90.0060.01214.81
7.3.80.0030.00614.94
7.3.70.0030.01314.86
7.3.60.0030.01014.69
7.3.50.0060.00914.98
7.3.40.0000.01315.05
7.3.30.0030.01514.98
7.3.20.0030.00916.85
7.3.10.0090.00016.76
7.3.00.0030.00916.79
7.2.330.0140.00416.89
7.2.320.0110.01316.85
7.2.310.0090.00916.74
7.2.300.0160.00016.86
7.2.290.0110.00616.72
7.2.240.0090.00915.10
7.2.230.0080.00414.79
7.2.220.0070.01314.95
7.2.210.0000.01614.97
7.2.200.0090.00314.94
7.2.190.0030.01315.23
7.2.180.0060.00315.06
7.2.170.0040.01115.13
7.2.160.0070.01115.29
7.2.150.0040.00816.98
7.2.140.0090.00416.83
7.2.130.0030.01417.03
7.2.120.0060.00617.07
7.2.110.0040.01416.98
7.2.100.0070.00716.97
7.2.90.0090.00917.16
7.2.80.0000.01416.83
7.2.70.0000.01217.25
7.2.60.0080.00516.98
7.2.50.0040.01416.92
7.2.40.0080.00316.95
7.2.30.0060.00917.09
7.2.20.0060.00917.05
7.2.10.0070.01016.99
7.2.00.0060.00818.34
7.1.330.0060.00615.86
7.1.320.0100.00715.90
7.1.310.0090.00316.16
7.1.300.0070.00715.93
7.1.290.0030.00616.21
7.1.280.0070.00715.95
7.1.270.0070.00715.88
7.1.260.0000.01016.01
7.1.250.0100.00616.04
7.1.200.0000.01515.82
7.1.100.0060.00618.30
7.1.70.0070.01017.37
7.1.60.0090.01619.46
7.1.50.0040.01517.08
7.1.00.0070.07022.32
7.0.200.0090.00016.91
7.0.140.0030.06721.98
7.0.60.0070.08719.92
7.0.50.0030.04017.88
7.0.40.0170.04020.15
7.0.30.0300.07320.10
7.0.20.0130.05320.09
7.0.10.0130.04720.26
7.0.00.0030.08020.07
5.6.280.0130.06720.86
5.6.210.0130.03320.48
5.6.200.0070.07318.27
5.6.190.0070.05020.47
5.6.180.0170.04720.50
5.6.170.0330.06720.71
5.6.160.0070.08320.52
5.6.150.0070.06718.16
5.6.140.0070.06718.19
5.6.130.0070.04318.23
5.6.120.0130.08321.12
5.6.110.0100.03721.09
5.6.100.0030.07721.02
5.6.90.0070.04321.00
5.6.80.0070.05720.39
5.5.350.2830.03320.32
5.5.340.0130.02718.07
5.5.330.0000.08320.31
5.5.320.0300.07720.51
5.5.310.0470.07020.30
5.5.300.0070.07717.96
5.5.290.0230.06717.97
5.5.280.0030.04020.65
5.5.270.0070.08320.80
5.5.260.0100.08020.79
5.5.250.0070.05720.48
5.5.240.0100.03720.07
5.4.450.0070.06319.20
5.4.440.0130.05719.55
5.4.430.0200.06719.55
5.4.420.0200.04719.38
5.4.410.0170.05719.04
5.4.400.0300.06719.16
5.4.390.0030.06319.02
5.4.380.0170.05318.61
5.4.370.0070.05718.61
5.4.360.0270.04318.72
5.4.350.0170.05318.72
5.4.340.0030.06318.53
5.4.320.0100.03312.50
5.4.310.0070.04312.50
5.4.300.0060.03712.50
5.4.290.0030.04212.48
5.4.280.0060.03612.38
5.4.270.0060.03812.38
5.4.260.0090.03412.38
5.4.250.0060.03812.38
5.4.240.0070.03512.38
5.4.230.0030.04112.37
5.4.220.0060.03612.37
5.4.210.0080.03612.37
5.4.200.0080.04512.37
5.4.190.0130.07712.37
5.4.180.0070.05412.36
5.4.170.0070.03812.38
5.4.160.0080.03612.38
5.4.150.0080.03812.37
5.4.140.0060.04012.06
5.4.130.0060.03712.04
5.4.120.0090.03512.00
5.4.110.0070.03712.00
5.4.100.0060.03712.00
5.4.90.0090.03612.00
5.4.80.0070.03812.00
5.4.70.0070.04011.99
5.4.60.0110.04011.99
5.4.50.0080.03512.00
5.4.40.0070.03411.98
5.4.30.0080.03811.98
5.4.20.0120.04711.98
5.4.10.0080.05411.98
5.4.00.0100.04811.46
5.3.290.0090.03612.80
5.3.280.0110.05012.71
5.3.270.0070.06712.73
5.3.260.0090.04612.72
5.3.250.0060.03712.72
5.3.240.0100.03512.72
5.3.230.0030.04312.71
5.3.220.0080.03812.68
5.3.210.0040.04112.68
5.3.200.0070.03512.68
5.3.190.0050.03912.68
5.3.180.0060.03612.67
5.3.170.0030.04012.67
5.3.160.0070.03612.67
5.3.150.0070.03712.68
5.3.140.0080.03512.66
5.3.130.0090.04012.65
5.3.120.0040.04112.66
5.3.110.0080.03612.66
5.3.100.0030.03912.12
5.3.90.0030.03912.10
5.3.80.0110.03112.09
5.3.70.0050.03712.09
5.3.60.0070.03712.07
5.3.50.0030.03912.03
5.3.40.0070.03612.02
5.3.30.0100.04911.98
5.3.20.0060.05011.76
5.3.10.0090.04611.72
5.3.00.0080.04711.71
5.2.170.0040.0339.18
5.2.160.0050.0319.18
5.2.150.0080.0309.19
5.2.140.0030.0339.18
5.2.130.0030.0319.14
5.2.120.0040.0309.14
5.2.110.0090.0259.14
5.2.100.0040.0299.14
5.2.90.0040.0309.14
5.2.80.0040.0319.14
5.2.70.0050.0309.14
5.2.60.0050.0299.09
5.2.50.0040.0309.05
5.2.40.0060.0289.04
5.2.30.0020.0339.01
5.2.20.0070.0269.00
5.2.10.0030.0298.92
5.2.00.0050.0288.79
5.1.60.0030.0258.07
5.1.50.0030.0268.06
5.1.40.0040.0258.04
5.1.30.0090.0258.40
5.1.20.0040.0388.42
5.1.10.0040.0278.14
5.1.00.0070.0338.14
5.0.50.0030.0226.62
5.0.40.0060.0186.48
5.0.30.0060.0306.29
5.0.20.0040.0196.26
5.0.10.0030.0216.24
5.0.00.0020.0316.23
4.4.90.0030.0164.78
4.4.80.0020.0164.75
4.4.70.0020.0164.76
4.4.60.0020.0164.76
4.4.50.0020.0204.77
4.4.40.0030.0284.70
4.4.30.0020.0174.76
4.4.20.0040.0144.85
4.4.10.0040.0144.85
4.4.00.0030.0274.76
4.3.110.0020.0164.67
4.3.100.0030.0164.66
4.3.90.0040.0134.64
4.3.80.0010.0264.59
4.3.70.0040.0134.63
4.3.60.0020.0164.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0163.29
4.3.20.0040.0153.26
4.3.10.0040.0143.22
4.3.00.0000.0238.75

preferences:
33.9 ms | 401 KiB | 5 Q