3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#CAPTION"; $pattern = '/^#([A-Z]+)$/'; echo preg_match($pattern, $subject); print_r($matches);

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)
8.3.40.0040.01118.73
8.3.30.0060.00918.96
8.3.20.0030.00619.02
8.3.10.0080.00020.77
8.3.00.0050.00323.72
8.2.170.0030.01322.96
8.2.160.0070.00722.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00721.20
8.2.110.0050.00522.33
8.2.100.0070.00418.03
8.2.90.0000.00819.26
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0040.00417.91
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0060.00319.86
8.2.20.0000.00817.93
8.2.10.0040.00417.81
8.2.00.0040.00417.70
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.55
8.1.230.0000.01121.02
8.1.220.0050.00318.77
8.1.210.0000.00818.97
8.1.200.0060.00317.36
8.1.190.0000.00817.41
8.1.180.0000.00918.10
8.1.170.0000.00818.78
8.1.160.0040.00418.84
8.1.150.0040.00418.79
8.1.140.0030.00517.66
8.1.130.0040.00417.89
8.1.120.0030.00317.56
8.1.110.0030.00617.42
8.1.100.0080.00017.49
8.1.90.0020.00517.46
8.1.80.0040.00417.44
8.1.70.0000.00717.50
8.1.60.0030.00517.59
8.1.50.0040.00417.45
8.1.40.0040.00417.46
8.1.30.0050.00217.79
8.1.20.0040.00417.73
8.1.10.0000.00717.66
8.1.00.0000.00717.61
8.0.300.0040.00420.06
8.0.290.0040.00417.05
8.0.280.0080.00018.52
8.0.270.0030.00317.21
8.0.260.0030.00716.89
8.0.250.0000.00717.13
8.0.240.0050.00317.16
8.0.230.0070.00017.10
8.0.220.0030.00317.07
8.0.210.0040.00416.91
8.0.200.0030.00317.11
8.0.190.0000.00816.96
8.0.180.0080.00417.10
8.0.170.0030.00317.09
8.0.160.0000.00716.89
8.0.150.0040.00417.04
8.0.140.0050.00316.98
8.0.130.0030.00313.45
8.0.120.0070.00016.93
8.0.110.0000.00816.89
8.0.100.0040.00416.99
8.0.90.0000.00716.97
8.0.80.0030.01216.99
8.0.70.0070.00017.05
8.0.60.0000.00817.02
8.0.50.0030.00616.91
8.0.30.0080.01117.11
8.0.20.0080.01017.40
8.0.10.0000.00817.14
8.0.00.0110.01117.17
7.4.330.0030.00314.98
7.4.320.0030.00316.75
7.4.300.0030.00316.56
7.4.290.0030.00316.71
7.4.280.0030.00716.64
7.4.270.0000.00816.73
7.4.260.0030.00313.32
7.4.250.0080.00016.62
7.4.240.0070.00016.67
7.4.230.0000.00716.57
7.4.220.0070.01016.84
7.4.210.0070.00816.70
7.4.200.0040.00416.48
7.4.190.0040.00416.70
7.4.160.0090.00616.53
7.4.150.0160.00317.40
7.4.140.0120.00517.86
7.4.130.0060.01116.60
7.4.120.0100.00716.73
7.4.110.0150.00316.55
7.4.100.0060.01216.61
7.4.90.0080.00816.50
7.4.80.0110.00619.37
7.4.70.0130.00316.67
7.4.60.0070.01016.63
7.4.50.0080.00016.55
7.4.40.0060.01022.27
7.4.30.0060.01216.53
7.4.10.0070.01415.32
7.4.00.0090.00915.24
7.3.330.0000.00513.23
7.3.320.0000.00613.18
7.3.310.0030.00516.27
7.3.300.0000.00716.29
7.3.290.0180.00016.38
7.3.280.0060.01016.33
7.3.270.0070.01017.40
7.3.260.0090.01118.24
7.3.250.0090.01216.62
7.3.240.0130.00316.60
7.3.230.0120.00616.59
7.3.210.0090.01316.33
7.3.200.0140.00719.39
7.3.190.0060.01116.39
7.3.180.0120.00316.63
7.3.170.0100.00716.62
7.3.160.0110.00516.51
7.3.130.0030.01614.88
7.3.120.0080.00916.14
7.3.110.0040.01015.80
7.3.100.0050.01016.01
7.3.90.0040.01216.01
7.3.80.0040.00615.90
7.3.70.0110.00416.09
7.3.60.0110.00415.92
7.3.50.0050.00916.06
7.3.40.0090.00315.93
7.3.30.0090.00315.94
7.3.20.0090.00516.91
7.3.10.0090.00316.85
7.3.00.0060.00716.94
7.2.330.0190.02616.59
7.2.320.0070.01016.70
7.2.310.0090.00916.72
7.2.300.0130.01016.52
7.2.290.0070.01116.60
7.2.260.0070.01115.17
7.2.250.0060.01215.03
7.2.240.0050.01215.99
7.2.230.0050.00916.17
7.2.220.0070.00716.13
7.2.210.0050.00816.21
7.2.200.0050.00815.98
7.2.190.0030.01316.08
7.2.180.0090.00916.13
7.2.170.0050.00716.03
7.2.160.0110.00416.15
7.2.150.0080.00717.07
7.2.140.0060.01116.87
7.2.130.0070.00917.00
7.2.120.0070.00916.99
7.2.110.0090.00616.98
7.2.100.0090.00816.96
7.2.90.0060.00917.04
7.2.80.0050.00916.93
7.2.70.0080.00817.07
7.2.60.0080.00516.96
7.2.50.0060.00817.00
7.2.40.0030.01216.93
7.2.30.0050.00917.11
7.2.20.0090.00417.02
7.2.10.0060.00817.00
7.2.00.0070.00917.69
7.1.330.0050.01016.54
7.1.320.0070.00716.50
7.1.310.0070.00916.37
7.1.300.0030.01216.43
7.1.290.0080.00616.54
7.1.280.0030.01116.52
7.1.270.0060.00616.42
7.1.260.0020.01316.52
7.1.250.0050.00916.34
7.1.240.0080.00615.91
7.1.230.0030.01016.01
7.1.220.0060.00615.63
7.1.210.0070.00415.89
7.1.200.0030.01015.71
7.1.190.0040.01115.79
7.1.180.0060.00315.90
7.1.170.0050.00315.92
7.1.160.0030.00516.07
7.1.150.0000.01715.91
7.1.140.0000.01215.64
7.1.130.0000.01515.87
7.1.120.0040.00415.62
7.1.110.0000.00916.07
7.1.100.0060.00916.94
7.1.90.0080.00415.74
7.1.80.0070.01115.65
7.1.70.0030.00716.59
7.1.60.0050.01417.63
7.1.50.0090.00816.45
7.1.40.0040.00815.86
7.1.30.0070.00415.98
7.1.20.0060.00915.99
7.1.10.0060.00615.96
7.1.00.0050.03219.00
7.0.330.0090.00615.46
7.0.320.0100.00315.61
7.0.310.0030.00915.17
7.0.300.0060.00315.58
7.0.290.0070.00715.26
7.0.280.0030.01015.44
7.0.270.0070.00715.57
7.0.260.0040.01115.50
7.0.250.0050.00515.64
7.0.240.0100.00715.39
7.0.230.0060.01215.70
7.0.220.0120.00615.80
7.0.210.0000.01115.38
7.0.200.0030.00816.02
7.0.190.0030.01015.39
7.0.180.0030.00915.72
7.0.170.0000.01115.28
7.0.160.0090.00315.29
7.0.150.0060.00615.34
7.0.140.0020.03918.89
7.0.130.0050.00515.64
7.0.120.0030.01015.34
7.0.110.0050.00515.34
7.0.100.0070.01015.45
7.0.90.0000.01315.68
7.0.80.0000.01515.45
7.0.70.0050.03318.68
7.0.60.0080.04118.71
7.0.50.0070.04118.75
7.0.40.0040.02616.80
7.0.30.0020.04116.74
7.0.20.0060.03116.81
7.0.10.0050.02416.75
7.0.00.0020.02616.92
5.6.400.0060.01214.18
5.6.390.0030.00614.29
5.6.380.0140.00014.18
5.6.370.0090.00314.56
5.6.360.0070.00314.59
5.6.350.0160.00014.47
5.6.340.0030.01014.27
5.6.330.0060.00614.20
5.6.320.0140.00314.40
5.6.310.0040.01114.10
5.6.300.0060.00614.27
5.6.290.0090.00014.37
5.6.280.0050.03817.69
5.6.270.0030.00514.09
5.6.260.0040.00414.71
5.6.250.0030.00614.53
5.6.240.0040.00714.33
5.6.230.0080.00614.32
5.6.220.0030.05017.51
5.6.210.0000.04917.57
5.6.200.0120.03217.65
5.6.190.0110.03117.54
5.6.180.0040.04717.76
5.6.170.0020.04317.84
5.6.160.0060.03517.71
5.6.150.0050.04017.55
5.6.140.0060.04917.59
5.6.130.0070.04717.59
5.6.120.0030.02817.60
5.6.110.0120.03717.75
5.6.100.0050.02517.82
5.6.90.0050.04717.57
5.6.80.0080.04017.20
5.6.70.0070.04517.46
5.6.60.0050.03517.41
5.6.50.0070.04317.48
5.6.40.0070.02217.39
5.6.30.0100.04017.33
5.6.20.0030.04217.38
5.6.10.0060.04317.34
5.6.00.0070.03817.30
5.5.380.0070.01014.41
5.5.370.0060.00914.39
5.5.360.0030.04317.26
5.5.350.0110.03817.37
5.5.340.0100.04217.59
5.5.330.0060.03317.55
5.5.320.0070.04117.51
5.5.310.0080.04017.53
5.5.300.0100.04217.52
5.5.290.0100.03017.55
5.5.280.0040.04617.53
5.5.270.0050.03117.36
5.5.260.0100.02717.69
5.5.250.0050.04517.40
5.5.240.0050.04617.13
5.5.230.0030.03017.25
5.5.220.0030.03717.26
5.5.210.0020.05017.25
5.5.200.0120.03517.13
5.5.190.0030.04816.96
5.5.180.0110.03716.97
5.5.170.0030.01014.23
5.5.160.0020.04217.13
5.5.150.0100.04217.01
5.5.140.0030.04517.15
5.5.130.0080.02817.11
5.5.120.0110.03917.13
5.5.110.0050.04317.22
5.5.100.0040.03917.12
5.5.90.0050.04017.10
5.5.80.0030.04516.98
5.5.70.0050.03116.95
5.5.60.0010.04417.01
5.5.50.0050.02717.22
5.5.40.0050.04317.06
5.5.30.0110.02717.13
5.5.20.0020.03517.05
5.5.10.0020.03417.00
5.5.00.0050.03617.14
5.4.450.0030.04515.81
5.4.440.0060.02115.75
5.4.430.0050.03215.80
5.4.420.0030.02615.83
5.4.410.0030.04315.77
5.4.400.0020.04215.52
5.4.390.0040.04115.57
5.4.380.0020.02715.63
5.4.370.0050.04215.59
5.4.360.0050.04015.71
5.4.350.0070.03715.67
5.4.340.0050.04615.71
5.4.330.0000.00712.23
5.4.320.0020.04615.59
5.4.310.0040.03615.66
5.4.300.0070.02215.67
5.4.290.0050.04015.56
5.4.280.0040.04115.71
5.4.270.0100.03815.69
5.4.260.0020.04515.52
5.4.250.0050.04015.58
5.4.240.0000.03915.68
5.4.230.0050.03515.68
5.4.220.0050.02815.58
5.4.210.0050.02715.67
5.4.200.0060.03015.66
5.4.190.0060.03715.66
5.4.180.0060.03815.72
5.4.170.0060.03215.65
5.4.160.0030.04315.62
5.4.150.0090.03715.72
5.4.140.0080.03314.28
5.4.130.0030.03714.25
5.4.120.0050.04214.25
5.4.110.0060.03614.23
5.4.100.0050.02814.29
5.4.90.0070.03014.27
5.4.80.0030.02614.32
5.4.70.0030.03914.27
5.4.60.0080.03114.27
5.4.50.0050.03714.27
5.4.40.0080.03814.30
5.4.30.0070.02814.21
5.4.20.0070.03314.20
5.4.10.0060.04014.32
5.4.00.0050.03813.97
5.3.290.0060.03813.43
5.3.280.0050.04513.34
5.3.270.0060.04013.41
5.3.260.0040.04113.37
5.3.250.0050.04013.33
5.3.240.0080.03813.34
5.3.230.0030.04013.39
5.3.220.0070.03313.39
5.3.210.0030.03913.40
5.3.200.0030.03713.31
5.3.190.0000.03913.35
5.3.180.0050.02713.36
5.3.170.0020.03013.36
5.3.160.0010.03413.38
5.3.150.0020.03613.32
5.3.140.0050.03813.30
5.3.130.0020.04413.37
5.3.120.0020.04213.37
5.3.110.0000.02913.38
5.3.100.0030.03213.12
5.3.90.0020.04313.13
5.3.80.0030.03913.12
5.3.70.0060.03513.12
5.3.60.0040.03713.09
5.3.50.0030.04013.09
5.3.40.0020.03013.09
5.3.30.0050.04012.95
5.3.20.0040.04112.93
5.3.10.0050.03412.91
5.3.00.0020.03712.91
5.2.170.0070.05712.18
5.2.160.0070.04712.18
5.2.150.0030.06712.18
5.2.140.0070.05712.18
5.2.130.0000.06312.18
5.2.120.0030.05312.18
5.2.110.0030.05012.18
5.2.100.0100.05712.18
5.2.90.0070.05712.18
5.2.80.0070.05712.18
5.2.70.0030.05312.18
5.2.60.0030.06012.18
5.2.50.0030.06312.18
5.2.40.0070.06012.18
5.2.30.0070.06012.18
5.2.20.0000.06012.18
5.2.10.0030.06012.18
5.2.00.0030.05712.18
5.1.60.0000.04012.18
5.1.50.0000.05712.18
5.1.40.0070.04712.18
5.1.30.0070.05312.18
5.1.20.0000.06312.18
5.1.10.0030.03712.18
5.1.00.0000.05012.18
5.0.50.0030.04712.18
5.0.40.0000.02012.18
5.0.30.0030.02712.18
5.0.20.0030.03312.18
5.0.10.0030.02712.18
5.0.00.0000.05312.18
4.4.90.0000.03312.18
4.4.80.0030.03312.18
4.4.70.0030.03312.18
4.4.60.0000.03712.18
4.4.50.0000.03712.18
4.4.40.0070.05012.18
4.4.30.0030.03312.18
4.4.20.0000.02712.18
4.4.10.0000.03712.18
4.4.00.0000.03312.18
4.3.110.0000.01712.18
4.3.100.0030.01012.18
4.3.90.0030.02712.18
4.3.80.0030.04012.18
4.3.70.0000.03712.18
4.3.60.0030.03312.18
4.3.50.0030.02312.18
4.3.40.0030.05012.18
4.3.30.0000.03712.18
4.3.20.0000.03012.18
4.3.10.0000.03712.18
4.3.00.0030.03312.18

preferences:
42.04 ms | 400 KiB | 5 Q