3v4l.org

run code in 300+ PHP versions simultaneously
<?php $match = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', "Test test1"); var_dump($match); $match = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($matches) {return strtoupper($matches[0]);}, "Test-test1"); var_dump($match);

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)
8.3.60.0140.00718.56
8.3.50.0090.00921.27
8.3.40.0070.00718.71
8.3.30.0120.00620.29
8.3.20.0080.00020.20
8.3.10.0080.00022.04
8.3.00.0080.00022.57
8.2.180.0120.00316.75
8.2.170.0070.01122.96
8.2.160.0120.00320.44
8.2.150.0050.00324.18
8.2.140.0120.00424.66
8.2.130.0120.00626.16
8.2.120.0050.00319.88
8.2.110.0030.00622.32
8.2.100.0030.00919.34
8.2.90.0090.00019.34
8.2.80.0030.00619.19
8.2.70.0050.00317.84
8.2.60.0090.00018.05
8.2.50.0030.00618.07
8.2.40.0050.00318.34
8.2.30.0040.00418.22
8.2.20.0000.00717.91
8.2.10.0000.00817.91
8.2.00.0040.00417.78
8.1.280.0070.00725.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0070.00323.79
8.1.230.0110.00019.09
8.1.220.0080.00017.89
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00817.54
8.1.180.0040.00419.99
8.1.170.0080.00018.71
8.1.160.0040.00422.16
8.1.150.0030.00518.81
8.1.140.0050.00317.61
8.1.130.0000.00717.92
8.1.120.0040.00417.56
8.1.110.0000.00717.50
8.1.100.0070.00017.60
8.1.90.0040.00417.50
8.1.80.0000.00717.60
8.1.70.0030.00317.51
8.1.60.0040.00417.61
8.1.50.0000.00817.54
8.1.40.0000.00817.65
8.1.30.0000.00817.77
8.1.20.0000.00817.82
8.1.10.0030.00517.70
8.1.00.0040.00417.53
8.0.300.0070.00018.77
8.0.290.0040.00417.16
8.0.280.0030.00318.51
8.0.270.0070.00017.12
8.0.260.0030.00516.95
8.0.250.0000.00617.17
8.0.240.0030.00617.01
8.0.230.0030.00317.14
8.0.220.0000.00717.09
8.0.210.0000.00717.10
8.0.200.0000.00717.13
8.0.190.0060.00617.12
8.0.180.0070.00417.01
8.0.170.0040.00417.18
8.0.160.0040.00417.04
8.0.150.0000.00717.04
8.0.140.0040.00416.95
8.0.130.0030.00313.49
8.0.120.0040.00417.09
8.0.110.0000.00817.18
8.0.100.0000.00717.14
8.0.90.0040.00416.94
8.0.80.0130.00317.03
8.0.70.0040.00416.91
8.0.60.0000.00717.06
8.0.50.0040.00417.14
8.0.30.0120.01017.17
8.0.20.0070.01117.40
8.0.10.0040.00417.18
8.0.00.0140.00416.94
7.4.330.0000.00615.11
7.4.320.0030.00316.72
7.4.300.0030.00316.62
7.4.290.0030.00316.86
7.4.280.0020.00516.82
7.4.270.0040.00416.83
7.4.260.0000.00716.87
7.4.250.0050.00316.73
7.4.240.0030.00516.73
7.4.230.0000.00716.61
7.4.220.0060.01216.91
7.4.210.0090.00816.71
7.4.200.0040.00416.47
7.4.190.0040.00416.79
7.4.160.0090.00916.74
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0120.00916.77
7.4.120.0100.00816.61
7.4.110.0110.00716.76
7.4.100.0030.01316.74
7.4.90.0030.01416.54
7.4.80.0120.00619.39
7.4.70.0100.00716.70
7.4.60.0070.01016.84
7.4.50.0030.00616.62
7.4.40.0060.01022.77
7.4.30.0070.01016.63
7.4.10.0130.00715.09
7.4.00.0050.01115.07
7.3.330.0050.00013.57
7.3.320.0050.00013.47
7.3.310.0030.00516.53
7.3.300.0030.00316.46
7.3.290.0040.01616.47
7.3.280.0100.00516.46
7.3.270.0090.00917.40
7.3.260.0030.01416.63
7.3.250.0070.01216.61
7.3.240.0100.00716.49
7.3.230.0100.01016.56
7.3.210.0130.00316.55
7.3.200.0080.00819.39
7.3.190.0060.01316.59
7.3.180.0090.00616.52
7.3.170.0060.01016.57
7.3.160.0110.00616.57
7.3.130.0040.00714.61
7.3.120.0050.01214.94
7.3.110.0030.01314.79
7.3.100.0000.01415.23
7.3.90.0000.01615.21
7.3.80.0080.00815.27
7.3.70.0030.01014.98
7.3.60.0000.01015.04
7.3.50.0040.00415.00
7.3.40.0080.00415.04
7.3.30.0090.00614.80
7.3.20.0000.01816.70
7.3.10.0100.00616.81
7.3.00.0070.00716.93
7.2.330.0090.00916.63
7.2.320.0100.00916.72
7.2.310.0090.00916.63
7.2.300.0000.01616.70
7.2.290.0000.02016.82
7.2.260.0120.00815.00
7.2.250.0090.00915.14
7.2.240.0090.00414.98
7.2.230.0030.01015.16
7.2.220.0060.00615.03
7.2.210.0060.01015.09
7.2.200.0130.00015.32
7.2.190.0060.00915.16
7.2.180.0120.00315.20
7.2.170.0120.00314.84
7.2.160.0090.00615.05
7.2.150.0060.01117.00
7.2.140.0080.00416.96
7.2.130.0060.00616.69
7.2.120.0060.01217.02
7.2.110.0040.01117.11
7.2.100.0080.00416.96
7.2.90.0030.01317.16
7.2.80.0140.00317.17
7.2.70.0050.00516.98
7.2.60.0030.00816.81
7.2.50.0030.01216.89
7.2.40.0070.00717.15
7.2.30.0030.00617.14
7.2.20.0070.00716.79
7.2.10.0030.01617.08
7.2.00.0040.01018.20
7.1.330.0030.01015.88
7.1.320.0110.00315.92
7.1.310.0130.00316.21
7.1.300.0100.00316.05
7.1.290.0060.00315.98
7.1.280.0030.00715.95
7.1.270.0090.00915.89
7.1.260.0060.00615.87
7.1.250.0050.00416.18
7.1.240.0040.00715.91
7.1.230.0090.00616.03
7.1.220.0090.00316.02
7.1.210.0070.01016.04
7.1.200.0050.00815.98
7.1.190.0030.00615.91
7.1.180.0040.01115.68
7.1.170.0090.00615.79
7.1.160.0030.00916.08
7.1.150.0070.00715.65
7.1.140.0030.01016.09
7.1.130.0100.00616.09
7.1.120.0060.00315.99
7.1.110.0060.00316.02
7.1.100.0080.00717.01
7.1.90.0070.01015.77
7.1.80.0070.00416.03
7.1.70.0020.00816.61
7.1.60.0050.00917.60
7.1.50.0020.01416.61
7.1.40.0070.00716.12
7.1.30.0030.00916.06
7.1.20.0050.00515.71
7.1.10.0040.01115.95
7.1.00.0050.03019.22
7.0.330.0040.01215.54
7.0.320.0040.01115.38
7.0.310.0070.00315.51
7.0.300.0080.00315.62
7.0.290.0040.00715.67
7.0.280.0030.01215.74
7.0.270.0000.01315.46
7.0.260.0030.00615.36
7.0.250.0070.00315.40
7.0.240.0080.00015.61
7.0.230.0050.00315.41
7.0.220.0070.00715.65
7.0.210.0170.00015.51
7.0.200.0140.00615.19
7.0.190.0090.00615.52
7.0.180.0060.00315.59
7.0.170.0030.00615.73
7.0.160.0030.01015.41
7.0.150.0060.00315.53
7.0.140.0030.04018.86
7.0.130.0030.00915.72
7.0.120.0000.01115.50
7.0.110.0000.01315.50
7.0.100.0120.00315.71
7.0.90.0000.01415.71
7.0.80.0060.00615.30
7.0.70.0080.03518.59
7.0.60.0050.04018.58
7.0.50.0080.04318.84
7.0.40.0020.04216.86
7.0.30.0110.03516.90
7.0.20.0030.03016.88
7.0.10.0040.03016.94
7.0.00.0080.04216.78
5.6.400.0000.01214.54
5.6.390.0100.00714.72
5.6.380.0060.00914.04
5.6.370.0000.01314.86
5.6.360.0040.01114.09
5.6.350.0030.01114.54
5.6.340.0140.00014.18
5.6.330.0040.00714.33
5.6.320.0110.00414.18
5.6.310.0110.00714.29
5.6.300.0000.01114.56
5.6.290.0090.00614.22
5.6.280.0050.03817.66
5.6.270.0040.01114.38
5.6.260.0030.01014.32
5.6.250.0090.00614.09
5.6.240.0040.00714.30
5.6.230.0090.00614.42
5.6.220.0050.04717.55
5.6.210.0040.03017.57
5.6.200.0060.04417.69
5.6.190.0020.04317.63
5.6.180.0030.03317.79
5.6.170.0030.04617.61
5.6.160.0020.04217.64
5.6.150.0080.04017.63
5.6.140.0030.05017.74
5.6.130.0050.03817.80
5.6.120.0050.04817.73
5.6.110.0030.04817.81
5.6.100.0050.03017.75
5.6.90.0030.03717.73
5.6.80.0030.02817.29
5.6.70.0080.03217.35
5.6.60.0030.04317.38
5.6.50.0050.02517.32
5.6.40.0140.03417.40
5.6.30.0130.02517.46
5.6.20.0060.02117.41
5.6.10.0030.03017.25
5.6.00.0030.04417.41
5.5.380.0040.00814.26
5.5.370.0000.01214.22
5.5.360.0000.05117.24
5.5.350.0050.03517.43
5.5.340.0070.04517.55
5.5.330.0030.04817.52
5.5.320.0090.04417.56
5.5.310.0050.03517.57
5.5.300.0020.04817.47
5.5.290.0020.03317.57
5.5.280.0000.04617.60
5.5.270.0060.04317.53
5.5.260.0030.04217.58
5.5.250.0020.04817.51
5.5.240.0030.03317.11
5.5.230.0060.04117.28
5.5.220.0090.03817.10
5.5.210.0050.04517.34
5.5.200.0060.02517.19
5.5.190.0070.04017.03
5.5.180.0050.04617.22
5.5.170.0080.00514.39
5.5.160.0050.03317.32
5.5.150.0020.04717.32
5.5.140.0110.03617.07
5.5.130.0050.03817.06
5.5.120.0070.04017.07
5.5.110.0030.03817.27
5.5.100.0090.04217.03
5.5.90.0060.04017.06
5.5.80.0020.04317.16
5.5.70.0060.03817.06
5.5.60.0020.03617.21
5.5.50.0080.04217.17
5.5.40.0030.04117.16
5.5.30.0070.03717.08
5.5.20.0030.03016.99
5.5.10.0060.02816.87
5.5.00.0050.04517.12
5.4.450.0090.02915.37
5.4.440.0050.04315.33
5.4.430.0030.04115.28
5.4.420.0050.04315.38
5.4.410.0080.03815.35
5.4.400.0050.04215.06
5.4.390.0060.03815.00
5.4.380.0050.04015.13
5.4.370.0050.04315.02
5.4.360.0030.02715.14
5.4.350.0020.03415.10
5.4.340.0060.03515.00
5.4.330.0030.00610.97
5.4.320.0030.03115.03
5.4.310.0030.04314.96
5.4.300.0070.03714.93
5.4.290.0020.03015.02
5.4.280.0030.04315.00
5.4.270.0030.04115.17
5.4.260.0030.04214.96
5.4.250.0020.04615.15
5.4.240.0070.03115.04
5.4.230.0070.03714.96
5.4.220.0030.04515.10
5.4.210.0060.02815.14
5.4.200.0030.04215.02
5.4.190.0000.04014.96
5.4.180.0000.03515.01
5.4.170.0080.03814.99
5.4.160.0050.04015.19
5.4.150.0020.04415.14
5.4.140.0000.04113.75
5.4.130.0070.02213.72
5.4.120.0070.01813.73
5.4.110.0050.03613.81
5.4.100.0080.03713.81
5.4.90.0020.04413.89
5.4.80.0080.03613.88
5.4.70.0020.03313.68
5.4.60.0080.02513.73
5.4.50.0000.04513.75
5.4.40.0050.02813.79
5.4.30.0020.04213.75
5.4.20.0050.03713.60
5.4.10.0130.03513.73
5.4.00.0020.03913.43
5.3.290.0020.04712.76
5.3.280.0040.04412.78
5.3.270.0020.03812.71
5.3.260.0030.04512.70
5.3.250.0050.03812.72
5.3.240.0050.04112.73
5.3.230.0020.02312.75
5.3.220.0020.02212.75
5.3.210.0030.04412.68
5.3.200.0040.04512.72
5.3.190.0030.02912.75
5.3.180.0020.02212.68
5.3.170.0010.02612.68
5.3.160.0000.02412.71
5.3.150.0000.04412.68
5.3.140.0090.03312.70
5.3.130.0040.04312.67
5.3.120.0030.03812.68
5.3.110.0020.03212.69
5.3.100.0030.02812.51
5.3.90.0020.04012.43
5.3.80.0000.03312.49
5.3.70.0020.04212.46
5.3.60.0030.02812.48
5.3.50.0070.02812.38
5.3.40.0000.03112.37
5.3.30.0000.04212.38
5.3.20.0000.02512.34
5.3.10.0060.03712.22
5.3.00.0050.03612.32
5.2.170.0070.05012.22
5.2.160.0070.05312.22
5.2.150.0030.05712.22
5.2.140.0030.04712.22
5.2.130.0000.04712.22
5.2.120.0030.06312.22
5.2.110.0000.05712.22
5.2.100.0070.04012.22
5.2.90.0030.06012.22
5.2.80.0030.06012.22
5.2.70.0000.06012.22
5.2.60.0000.06012.22
5.2.50.0070.06012.22
5.2.40.0030.05012.22
5.2.30.0030.06312.22
5.2.20.0000.06312.22
5.2.10.0000.06012.22
5.2.00.0030.05012.22
5.1.60.0030.05012.22
5.1.50.0000.04712.22
5.1.40.0100.04312.22
5.1.30.0000.05712.22
5.1.20.0030.05012.22
5.1.10.0000.04712.22
5.1.00.0030.05312.22
5.0.50.0030.02712.22
5.0.40.0000.03312.22
5.0.30.0030.06012.22
5.0.20.0030.03012.22
5.0.10.0000.04012.22
5.0.00.0000.06712.22
4.4.90.0000.03712.22
4.4.80.0070.03012.22
4.4.70.0000.03712.22
4.4.60.0000.03012.22
4.4.50.0030.03312.22
4.4.40.0000.06712.22
4.4.30.0000.02712.22
4.4.20.0000.03712.22
4.4.10.0030.02312.22
4.4.00.0000.03012.22
4.3.110.0000.03012.22
4.3.100.0030.03312.22
4.3.90.0000.03712.22
4.3.80.0000.04012.22
4.3.70.0000.02012.22
4.3.60.0000.03312.22
4.3.50.0000.02312.22
4.3.40.0000.04712.22
4.3.30.0070.03312.22
4.3.20.0000.03312.22
4.3.10.0000.03712.22
4.3.00.0000.03312.22

preferences:
42.84 ms | 401 KiB | 5 Q