3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = 'Test [1]'; $existing = 'Test'; $pattern = sprintf('/%s \[\d+\]/', preg_quote($source, '/')); var_dump(preg_match($pattern, $existing));

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)
8.3.60.0100.01016.50
8.3.50.0150.00721.92
8.3.40.0120.00318.96
8.3.30.0110.00419.09
8.3.20.0000.00820.14
8.3.10.0040.00420.53
8.3.00.0000.00819.38
8.2.180.0100.01017.00
8.2.170.0060.00922.96
8.2.160.0060.01320.41
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.14
8.2.110.0030.00620.38
8.2.100.0070.00718.03
8.2.90.0040.00418.89
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0000.00917.91
8.2.50.0050.00518.07
8.2.40.0000.00918.03
8.2.30.0040.00419.39
8.2.20.0000.00717.69
8.2.10.0040.00417.99
8.2.00.0040.00417.73
8.1.280.0140.00725.92
8.1.270.0040.00423.96
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00624.02
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0030.00518.66
8.1.160.0070.00021.87
8.1.150.0040.00418.89
8.1.140.0000.00817.58
8.1.130.0000.00717.72
8.1.120.0070.00017.46
8.1.110.0050.00217.57
8.1.100.0040.00417.53
8.1.90.0030.00417.44
8.1.80.0070.00017.52
8.1.70.0070.00017.48
8.1.60.0050.00317.56
8.1.50.0050.00317.48
8.1.40.0040.00417.51
8.1.30.0000.00817.67
8.1.20.0030.00517.57
8.1.10.0000.00717.48
8.1.00.0110.00017.52
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0040.00418.39
8.0.270.0040.00417.11
8.0.260.0000.00617.21
8.0.250.0000.00717.05
8.0.240.0000.00716.93
8.0.230.0000.00717.05
8.0.220.0030.00316.90
8.0.210.0040.00416.94
8.0.200.0030.00317.04
8.0.190.0040.00416.98
8.0.180.0000.00716.89
8.0.170.0000.00717.01
8.0.160.0040.00317.05
8.0.150.0050.00316.85
8.0.140.0040.00416.97
8.0.130.0030.00613.41
8.0.120.0000.00916.94
8.0.110.0040.00417.00
8.0.100.0070.00017.03
8.0.90.0040.00416.93
8.0.80.0090.00616.96
8.0.70.0070.00016.97
8.0.60.0000.00717.03
8.0.50.0000.00716.88
8.0.30.0150.00517.04
8.0.20.0160.00917.40
8.0.10.0020.00516.91
8.0.00.0090.00916.73
7.4.330.0020.00215.09
7.4.320.0060.00316.80
7.4.300.0030.00316.74
7.4.290.0040.00416.78
7.4.280.0000.00716.63
7.4.270.0000.00716.66
7.4.260.0030.00716.63
7.4.250.0040.00416.66
7.4.240.0040.00416.76
7.4.230.0070.00016.74
7.4.220.0070.01116.72
7.4.210.0140.00016.59
7.4.200.0020.00516.64
7.4.160.0040.01216.42
7.4.150.0070.01017.40
7.4.140.0110.01117.86
7.4.130.0080.00816.63
7.4.120.0080.00916.59
7.4.110.0100.00716.49
7.4.100.0150.00816.54
7.4.90.0160.00316.85
7.4.80.0070.01419.39
7.4.70.0040.01416.73
7.4.60.0050.01116.42
7.4.50.0030.00516.55
7.4.40.0070.01416.56
7.4.30.0170.00016.56
7.4.00.0030.01014.90
7.3.330.0000.00713.11
7.3.320.0050.00013.21
7.3.310.0070.00016.42
7.3.300.0030.00316.32
7.3.290.0110.00916.34
7.3.280.0080.00716.26
7.3.270.0310.01817.40
7.3.260.0070.01016.62
7.3.250.0060.01216.61
7.3.240.0110.00616.31
7.3.230.0130.00616.57
7.3.210.0060.01116.50
7.3.200.0090.00719.39
7.3.190.0130.00316.28
7.3.180.0040.01216.70
7.3.170.0060.00916.27
7.3.160.0120.00916.52
7.3.120.0090.00614.82
7.3.110.0040.01115.02
7.3.100.0070.01014.74
7.3.90.0000.01114.63
7.3.80.0000.01314.97
7.3.70.0030.01214.79
7.3.60.0080.00314.89
7.3.50.0080.00814.73
7.3.40.0030.01414.43
7.3.30.0100.00314.67
7.3.20.0030.01316.82
7.3.10.0160.00316.55
7.3.00.0180.00716.67
7.2.330.0110.00616.59
7.2.320.0030.01416.48
7.2.310.0060.01216.68
7.2.300.0080.00816.57
7.2.290.0110.00616.53
7.2.240.0070.00714.86
7.2.230.0090.00314.93
7.2.220.0040.01214.86
7.2.210.0040.01415.02
7.2.200.0070.00714.98
7.2.190.0030.01014.91
7.2.180.0080.00414.91
7.2.170.0140.00314.97
7.2.160.0000.01814.93
7.2.150.0070.01016.63
7.2.140.0100.00317.06
7.2.130.0190.00816.69
7.2.120.0200.00616.61
7.2.110.0150.00416.62
7.2.100.0350.00616.74
7.2.90.0200.00917.08
7.2.80.0250.00716.64
7.2.70.0150.01116.91
7.2.60.0240.00616.68
7.2.50.0280.00716.77
7.2.40.0210.01017.00
7.2.30.0070.01216.79
7.2.20.0140.00916.84
7.2.10.0150.00716.42
7.2.00.0270.00917.64
7.1.330.0080.00815.46
7.1.320.0040.01115.97
7.1.310.0110.00415.75
7.1.300.0030.01015.88
7.1.290.0000.01015.87
7.1.280.0090.00315.70
7.1.270.0040.00815.77
7.1.260.0030.01315.71
7.1.250.0210.00815.95
7.1.100.0030.00918.07
7.1.70.0030.00617.43
7.1.60.0070.01719.61
7.1.50.0070.01417.22
7.1.00.0000.07722.36
7.0.200.0080.00016.69
7.0.140.0100.06322.02
7.0.60.0100.03319.78
7.0.50.0130.07317.89
7.0.40.0000.09320.08
7.0.30.0370.04320.03
7.0.20.0330.06320.18
7.0.10.0030.07020.11
7.0.00.0200.07720.16
5.6.280.0000.07721.09
5.6.210.0070.05020.71
5.6.200.0100.08018.21
5.6.190.0130.07720.77
5.6.180.0430.08020.77
5.6.170.0330.07320.52
5.6.160.0130.07720.33
5.6.150.0030.04018.09
5.6.140.0130.08318.21
5.6.130.0100.08718.14
5.6.120.0070.05020.91
5.6.110.0130.07721.00
5.6.100.0230.07020.95
5.6.90.0170.07320.96
5.6.80.0170.04020.32
5.5.350.0270.07320.52
5.5.340.0100.08017.92
5.5.330.0070.08320.40
5.5.320.0400.06720.13
5.5.310.0300.05020.48
5.5.300.0100.04717.91
5.5.290.0130.06017.95
5.5.280.0030.05020.64
5.5.270.0070.08320.95
5.5.260.0170.07720.86
5.5.250.0070.03720.60
5.5.240.0170.07020.27
5.4.450.0270.06019.41
5.4.440.0370.04019.09
5.4.430.0230.03719.42
5.4.420.0430.03719.45
5.4.410.0130.04719.44
5.4.400.0600.03319.25
5.4.390.0470.04018.80
5.4.380.0370.05718.79
5.4.370.0470.06018.68
5.4.360.0330.06318.57
5.4.350.0530.05018.72
5.4.340.0400.07318.57
5.4.320.0070.03512.46
5.4.310.0050.03812.45
5.4.300.0070.03512.45
5.4.290.0080.03412.45
5.4.280.0050.03612.35
5.4.270.0060.03612.34
5.4.260.0090.03312.34
5.4.250.0040.03912.34
5.4.240.0080.03412.34
5.4.230.0080.04512.34
5.4.220.0090.03912.34
5.4.210.0050.03912.34
5.4.200.0030.04012.34
5.4.190.0050.04212.34
5.4.180.0060.04012.33
5.4.170.0060.04212.35
5.4.160.0020.04212.34
5.4.150.0060.03612.34
5.4.140.0050.04112.02
5.4.130.0060.03512.01
5.4.120.0060.04111.97
5.4.110.0050.03611.96
5.4.100.0050.03511.96
5.4.90.0060.03711.96
5.4.80.0060.03711.96
5.4.70.0050.03611.96
5.4.60.0040.03611.96
5.4.50.0070.03411.96
5.4.40.0030.04211.95
5.4.30.0070.03911.95
5.4.20.0080.03611.95
5.4.10.0070.03411.95
5.4.00.0060.05211.43
5.3.290.0060.04312.80
5.3.280.0070.04012.71
5.3.270.0110.03412.72
5.3.260.0060.03912.72
5.3.250.0090.03512.71
5.3.240.0090.03712.72
5.3.230.0070.04412.71
5.3.220.0110.04712.68
5.3.210.0050.04012.68
5.3.200.0080.03612.68
5.3.190.0100.03412.68
5.3.180.0130.03312.67
5.3.170.0090.04312.67
5.3.160.0060.04012.68
5.3.150.0070.03912.68
5.3.140.0070.03612.66
5.3.130.0090.03612.66
5.3.120.0120.03612.66
5.3.110.0050.04112.66
5.3.100.0050.04212.12
5.3.90.0070.03512.09
5.3.80.0070.03512.07
5.3.70.0050.03812.07
5.3.60.0070.04312.06
5.3.50.0050.04012.00
5.3.40.0080.03712.00
5.3.30.0070.03611.96
5.3.20.0070.03511.73
5.3.10.0090.04711.70
5.3.00.0080.03711.69
5.2.170.0050.0309.19
5.2.160.0050.0289.19
5.2.150.0050.0309.19
5.2.140.0030.0339.18
5.2.130.0050.0349.15
5.2.120.0040.0379.14
5.2.110.0060.0329.15
5.2.100.0070.0329.15
5.2.90.0070.0319.15
5.2.80.0060.0329.14
5.2.70.0080.0309.15
5.2.60.0050.0309.09
5.2.50.0020.0339.07
5.2.40.0070.0299.05
5.2.30.0040.0319.03
5.2.20.0130.0299.01
5.2.10.0070.0328.91
5.2.00.0040.0308.77
5.1.60.0040.0248.06
5.1.50.0060.0308.05
5.1.40.0040.0248.04
5.1.30.0070.0288.39
5.1.20.0030.0278.41
5.1.10.0060.0318.13
5.1.00.0060.0288.14
5.0.50.0030.0216.61
5.0.40.0050.0276.47
5.0.30.0040.0316.29
5.0.20.0060.0176.26
5.0.10.0070.0306.23
5.0.00.0020.0336.23
4.4.90.0040.0144.78
4.4.80.0020.0154.76
4.4.70.0030.0224.76
4.4.60.0020.0164.75
4.4.50.0030.0164.77
4.4.40.0020.0344.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0010.0174.85
4.4.00.0070.0204.76
4.3.110.0020.0174.67
4.3.100.0040.0194.66
4.3.90.0030.0164.63
4.3.80.0030.0254.59
4.3.70.0040.0184.63
4.3.60.0010.0154.62
4.3.50.0060.0194.63
4.3.40.0010.0324.54
4.3.30.0010.0223.28
4.3.20.0030.0163.26
4.3.10.0040.0183.22
4.3.00.0030.02013.95

preferences:
38.48 ms | 401 KiB | 5 Q