3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "0"; echo preg_match('/^\S$/', $str);

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)
8.3.40.0110.00318.80
8.3.30.0060.00819.08
8.3.20.0050.00220.29
8.3.10.0040.00423.66
8.3.00.0050.00317.75
8.2.170.0100.00722.96
8.2.160.0030.01120.35
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.38
8.2.110.0030.00621.21
8.2.100.0070.00417.84
8.2.90.0000.00919.05
8.2.80.0030.00617.97
8.2.70.0000.00817.62
8.2.60.0000.00818.03
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0060.00318.11
8.2.20.0040.00417.82
8.2.10.0000.00717.91
8.2.00.0050.00317.80
8.1.270.0030.00723.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.62
8.1.230.0090.00317.51
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.25
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0100.00018.74
8.1.160.0000.00821.82
8.1.150.0050.00318.83
8.1.140.0040.00417.44
8.1.130.0000.00717.74
8.1.120.0040.00417.49
8.1.110.0050.00317.53
8.1.100.0000.00717.38
8.1.90.0000.00717.45
8.1.80.0000.00717.52
8.1.70.0080.00017.48
8.1.60.0060.00617.63
8.1.50.0040.00417.59
8.1.40.0040.00417.64
8.1.30.0030.00517.75
8.1.20.0040.00417.77
8.1.10.0080.00017.55
8.1.00.0040.00417.62
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0070.00018.45
8.0.270.0030.00317.29
8.0.260.0060.00017.26
8.0.250.0000.00717.06
8.0.240.0000.00717.16
8.0.230.0080.00016.91
8.0.220.0000.00716.85
8.0.210.0070.00017.02
8.0.200.0060.00016.99
8.0.190.0040.00417.06
8.0.180.0000.00816.98
8.0.170.0040.00416.88
8.0.160.0030.00316.82
8.0.150.0030.00317.01
8.0.140.0050.00516.90
8.0.130.0040.00413.41
8.0.120.0030.00616.94
8.0.110.0000.00717.00
8.0.100.0050.00216.77
8.0.90.0050.00216.84
8.0.80.0080.01017.00
8.0.70.0000.00716.96
8.0.60.0000.00716.93
8.0.50.0040.00416.94
8.0.30.0120.00917.00
8.0.20.0130.00617.47
8.0.10.0050.00317.10
8.0.00.0130.00717.00
7.4.330.0060.00015.00
7.4.320.0030.00316.78
7.4.300.0000.00616.73
7.4.290.0060.00316.74
7.4.280.0060.00316.57
7.4.270.0040.00316.63
7.4.260.0040.00416.71
7.4.250.0020.00516.68
7.4.240.0030.00316.62
7.4.230.0030.00316.48
7.4.220.0140.01116.85
7.4.210.0070.01116.84
7.4.200.0000.00716.71
7.4.160.0040.01216.49
7.4.150.0100.00717.40
7.4.140.0080.01317.86
7.4.130.0110.00716.74
7.4.120.0070.01016.59
7.4.110.0080.00816.69
7.4.100.0080.01516.83
7.4.90.0140.01116.65
7.4.80.0090.01219.39
7.4.70.0100.00716.62
7.4.60.0090.00916.59
7.4.50.0040.00416.38
7.4.40.0030.01316.78
7.4.30.0080.00816.58
7.4.00.0040.01315.13
7.3.330.0020.00513.11
7.3.320.0060.00013.17
7.3.310.0030.00316.12
7.3.300.0030.00316.22
7.3.290.0060.00916.29
7.3.280.0070.01216.28
7.3.270.0070.01117.40
7.3.260.0170.00016.28
7.3.240.0170.00016.56
7.3.230.0120.00316.39
7.3.210.0140.00716.43
7.3.200.0080.01519.39
7.3.190.0030.01416.36
7.3.180.0090.00916.34
7.3.170.0090.01216.51
7.3.160.0060.00916.32
7.3.120.0060.01315.05
7.3.110.0040.01414.79
7.3.100.0060.00914.54
7.3.90.0040.00814.71
7.3.80.0070.01014.96
7.3.70.0000.00914.81
7.3.60.0030.01414.86
7.3.50.0070.01014.87
7.3.40.0000.01114.93
7.3.30.0040.01114.80
7.3.20.0000.01516.78
7.3.10.0030.00616.70
7.3.00.0100.00316.36
7.2.330.0110.00716.60
7.2.320.0180.00316.71
7.2.310.0100.00716.68
7.2.300.0070.01116.79
7.2.290.0060.01216.59
7.2.250.0100.01014.80
7.2.240.0070.01314.86
7.2.230.0000.01114.66
7.2.220.0030.01014.87
7.2.210.0030.01014.77
7.2.200.0030.00814.95
7.2.190.0000.01415.04
7.2.180.0100.00015.16
7.2.170.0070.00714.84
7.2.60.0030.01017.02
7.2.00.0100.00719.13
7.1.330.0060.00615.77
7.1.320.0040.00715.66
7.1.310.0030.00515.88
7.1.300.0040.01115.55
7.1.290.0040.00815.84
7.1.280.0100.00315.68
7.1.270.0000.00915.86
7.1.260.0150.00015.76
7.1.200.0110.00415.77
7.1.100.0000.01117.86
7.1.70.0030.00717.41
7.1.60.0070.01719.40
7.1.50.0140.01017.09
7.1.00.0030.07722.59
7.0.200.0080.00416.60
7.0.140.0030.07321.95
7.0.60.0030.04019.81
7.0.50.0070.07317.82
7.0.40.0070.06320.34
7.0.30.0270.05320.18
7.0.20.0170.08720.19
7.0.10.0100.07020.11
7.0.00.0030.07320.20
5.6.280.0070.07020.89
5.6.210.0030.05320.56
5.6.200.0030.08718.12
5.6.190.0130.05020.41
5.6.180.3270.04020.63
5.6.170.0300.07720.48
5.6.160.0070.08320.48
5.6.150.0030.06018.09
5.6.140.0000.04718.13
5.6.130.0030.05718.12
5.6.120.0130.05321.00
5.6.110.0130.07720.88
5.6.100.0030.09020.98
5.6.90.0030.09021.13
5.6.80.0100.06720.28
5.6.70.3800.04320.36
5.5.350.0230.04020.40
5.5.340.0100.07718.00
5.5.330.0100.03720.21
5.5.320.5170.05320.13
5.5.310.0230.08020.13
5.5.300.0030.05018.02
5.5.290.0100.07317.98
5.5.280.0070.04020.84
5.5.270.0100.09020.88
5.5.260.0130.07720.93
5.5.250.0070.07320.58
5.5.240.0230.07020.36
5.4.450.0600.03719.46
5.4.440.0330.03719.42
5.4.430.0270.03719.54
5.4.420.0100.04319.13
5.4.410.0270.03319.27
5.4.400.0200.04319.08
5.4.390.0500.04318.94
5.4.380.0730.06018.61
5.4.370.1230.06018.56
5.4.360.1000.04318.68
5.4.350.0530.06318.69
5.4.340.0830.06018.52
5.4.320.0110.06112.45
5.4.310.0070.04312.45
5.4.300.0090.04912.45
5.4.290.0030.04212.45
5.4.280.0080.03712.35
5.4.270.0060.04012.34
5.4.260.0040.05712.35
5.4.250.0070.04012.35
5.4.240.0090.03812.35
5.4.230.0050.04212.34
5.4.220.0070.03712.34
5.4.210.0050.03712.34
5.4.200.0050.04712.34
5.4.190.0050.04012.33
5.4.180.0110.04312.33
5.4.170.0050.04412.35
5.4.160.0030.04112.34
5.4.150.0070.04512.34
5.4.140.0040.04312.02
5.4.130.0060.03712.01
5.4.120.0080.04411.96
5.4.110.0060.04211.96
5.4.100.0070.04411.96
5.4.90.0140.04611.96
5.4.80.0080.06811.96
5.4.70.0090.04911.96
5.4.60.0110.04511.96
5.4.50.0100.04711.96
5.4.40.0120.04311.95
5.4.30.0100.05111.95
5.4.20.0070.05311.95
5.4.10.0130.05211.95
5.4.00.0080.05111.44
5.3.290.0110.08112.80
5.3.280.0090.06612.71
5.3.270.0140.06512.73
5.3.260.0080.03812.72
5.3.250.0060.05312.72
5.3.240.0070.05412.72
5.3.230.0090.04712.71
5.3.220.0130.04512.68
5.3.210.0090.05112.68
5.3.200.0100.04712.68
5.3.190.0060.05012.68
5.3.180.0040.05312.68
5.3.170.0140.06012.67
5.3.160.0060.05112.67
5.3.150.0070.05112.67
5.3.140.0060.05112.66
5.3.130.0090.05012.66
5.3.120.0140.04512.66
5.3.110.0100.04012.66
5.3.100.0060.03712.12
5.3.90.0050.03712.08
5.3.80.0080.03512.08
5.3.70.0060.03512.07
5.3.60.0040.04112.06
5.3.50.0110.03512.00
5.3.40.0080.03912.00
5.3.30.0090.04711.94
5.3.20.0130.04211.71
5.3.10.0080.04611.69
5.3.00.0090.03711.68
5.2.170.0070.0469.18
5.2.160.0080.0269.18
5.2.150.0090.0269.17
5.2.140.0050.0309.17
5.2.130.0020.0349.13
5.2.120.0040.0309.14
5.2.110.0040.0319.14
5.2.100.0040.0309.13
5.2.90.0040.0299.13
5.2.80.0040.0399.13
5.2.70.0070.0369.13
5.2.60.0060.0469.08
5.2.50.0080.0369.05
5.2.40.0050.0309.04
5.2.30.0030.0319.01
5.2.20.0050.0399.00
5.2.10.0070.0368.93
5.2.00.0120.0338.79
5.1.60.0040.0288.07
5.1.50.0050.0298.07
5.1.40.0060.0248.05
5.1.30.0020.0298.40
5.1.20.0060.0288.42
5.1.10.0050.0288.14
5.1.00.0050.0248.15
5.0.50.0050.0266.62
5.0.40.0070.0256.48
5.0.30.0040.0366.30
5.0.20.0020.0206.27
5.0.10.0020.0216.25
5.0.00.0020.0376.24
4.4.90.0040.0184.78
4.4.80.0010.0174.75
4.4.70.0060.0154.76
4.4.60.0040.0184.75
4.4.50.0010.0174.77
4.4.40.0030.0324.71
4.4.30.0080.0204.76
4.4.20.0030.0174.85
4.4.10.0010.0174.85
4.4.00.0030.0254.75
4.3.110.0040.0154.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0020.0284.58
4.3.70.0040.0184.63
4.3.60.0060.0164.63
4.3.50.0030.0234.63
4.3.40.0030.0314.54
4.3.30.0050.0183.29
4.3.20.0020.0223.27
4.3.10.0060.0143.23
4.3.00.0230.01715.97

preferences:
51.71 ms | 400 KiB | 5 Q