3v4l.org

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

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)
8.3.60.0120.00316.75
8.3.50.0120.00722.95
8.3.40.0120.00918.80
8.3.30.0100.00718.92
8.3.20.0060.00320.20
8.3.10.0080.00023.70
8.3.00.0050.00317.71
8.2.180.0120.00318.30
8.2.170.0110.00722.96
8.2.160.0070.00720.14
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0040.00421.02
8.2.110.0090.00022.25
8.2.100.0120.00017.84
8.2.90.0030.00619.09
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0000.00817.92
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0000.00718.02
8.2.20.0030.00617.82
8.2.10.0000.00817.93
8.2.00.0000.00717.82
8.1.280.0140.00325.92
8.1.270.0080.00024.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0150.00623.90
8.1.230.0000.01222.71
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0000.00819.13
8.1.170.0080.00318.43
8.1.160.0000.00821.93
8.1.150.0050.00318.81
8.1.140.0040.00417.70
8.1.130.0000.00717.87
8.1.120.0000.00817.65
8.1.110.0030.00517.61
8.1.100.0000.00717.56
8.1.90.0030.00317.55
8.1.80.0070.00017.63
8.1.70.0000.00717.52
8.1.60.0040.00717.73
8.1.50.0040.00417.66
8.1.40.0040.00417.54
8.1.30.0040.00417.79
8.1.20.0040.00417.66
8.1.10.0040.00417.61
8.1.00.0000.00817.59
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.37
8.0.270.0090.00017.04
8.0.260.0000.00617.30
8.0.250.0040.00416.99
8.0.240.0020.00517.13
8.0.230.0040.00417.12
8.0.220.0080.00017.09
8.0.210.0000.00716.89
8.0.200.0070.00017.05
8.0.190.0030.00317.09
8.0.180.0000.00817.07
8.0.170.0050.00317.05
8.0.160.0000.00716.91
8.0.150.0000.00717.09
8.0.140.0060.00316.94
8.0.130.0060.00313.46
8.0.120.0050.00316.98
8.0.110.0060.00316.86
8.0.100.0000.00716.85
8.0.90.0040.00416.88
8.0.80.0030.01417.07
8.0.70.0050.00316.93
8.0.60.0090.00017.02
8.0.50.0050.00316.93
8.0.30.0140.00517.27
8.0.20.0110.00917.40
8.0.10.0050.00217.03
8.0.00.0130.00816.99
7.4.330.0000.00515.00
7.4.320.0030.00316.71
7.4.300.0060.00016.64
7.4.290.0100.00016.80
7.4.280.0060.00316.68
7.4.270.0040.00416.77
7.4.260.0000.00716.74
7.4.250.0030.00516.69
7.4.240.0040.00416.74
7.4.230.0020.00516.82
7.4.220.0120.00616.77
7.4.210.0100.01016.70
7.4.200.0040.00416.53
7.4.160.0130.01016.52
7.4.150.0120.00617.40
7.4.140.0140.00317.86
7.4.130.0090.00716.63
7.4.120.0070.00916.62
7.4.110.0030.01316.80
7.4.100.0150.00416.73
7.4.90.0140.00316.63
7.4.80.0060.01219.39
7.4.70.0100.00716.77
7.4.60.0030.01416.53
7.4.50.0040.00416.42
7.4.40.0060.01616.43
7.4.30.0170.00016.56
7.4.00.0100.00714.95
7.3.330.0030.00313.16
7.3.320.0030.00313.00
7.3.310.0030.00316.22
7.3.300.0070.00016.18
7.3.290.0140.00016.27
7.3.280.0090.01016.27
7.3.270.0170.00017.40
7.3.260.0140.00316.30
7.3.250.0090.00716.48
7.3.240.0040.01316.47
7.3.230.0060.01216.39
7.3.210.0090.00916.59
7.3.200.0110.00819.39
7.3.190.0060.01516.48
7.3.180.0060.00916.30
7.3.170.0140.00316.63
7.3.160.0130.00316.44
7.2.330.0060.01316.46
7.2.320.0120.01016.57
7.2.310.0180.00316.63
7.2.300.0130.00316.66
7.2.290.0150.00316.74
7.2.00.0060.00919.44
7.1.100.0070.00418.20
7.1.70.0000.00817.01
7.1.60.0160.00619.40
7.1.50.0060.01917.09
7.1.00.0070.07322.47
7.0.200.0090.00416.77
7.0.140.0030.07322.18
7.0.60.0100.03319.85
7.0.50.0030.06717.82
7.0.40.0100.04320.29
7.0.30.0270.08320.04
7.0.20.0170.05320.18
7.0.10.0030.06320.18
7.0.00.0070.06320.10
5.6.280.0070.06721.12
5.6.210.0030.06720.76
5.6.200.0100.05018.13
5.6.190.0030.09320.41
5.6.180.0270.04320.61
5.6.170.0170.08320.38
5.6.160.0130.08020.38
5.6.150.0070.04718.22
5.6.140.0200.07318.18
5.6.130.0030.04018.18
5.6.120.0100.05021.00
5.6.110.0130.08021.04
5.6.100.0070.08320.98
5.6.90.0100.07021.12
5.6.80.0100.03720.37
5.5.350.0200.06020.47
5.5.340.0000.04317.89
5.5.330.0070.08720.25
5.5.320.0030.08320.27
5.5.310.0200.03720.13
5.5.300.0130.07718.01
5.5.290.0070.08017.96
5.5.280.0070.07720.73
5.5.270.0100.06020.86
5.5.260.0100.08020.62
5.5.250.0270.06320.68
5.5.240.0070.05320.15
5.4.450.0100.03019.41
5.4.440.0370.03719.56
5.4.430.0400.04319.25
5.4.420.0630.04719.25
5.4.410.0800.03319.28
5.4.400.0300.04319.10
5.4.390.0530.04019.10
5.4.380.1000.04718.68
5.4.370.0970.04718.70
5.4.360.0970.04718.66
5.4.350.0730.05018.72
5.4.340.0970.05318.48
5.4.320.0060.03912.45
5.4.310.0080.04612.45
5.4.300.0090.03512.45
5.4.290.0060.04012.45
5.4.280.0110.04712.35
5.4.270.0060.04412.35
5.4.260.0070.04012.35
5.4.250.0060.04712.35
5.4.240.0060.03512.34
5.4.230.0070.03612.34
5.4.220.0030.03812.34
5.4.210.0070.03312.34
5.4.200.0060.03712.34
5.4.190.0070.03412.34
5.4.180.0090.03412.34
5.4.170.0040.03812.34
5.4.160.0040.03712.34
5.4.150.0050.03612.34
5.4.140.0060.05212.02
5.4.130.0090.04312.01
5.4.120.0090.04311.96
5.4.110.0110.03711.96
5.4.100.0060.03411.96
5.4.90.0040.03911.96
5.4.80.0030.04011.96
5.4.70.0090.03911.96
5.4.60.0100.03011.96
5.4.50.0060.03511.96
5.4.40.0050.03511.95
5.4.30.0040.03811.95
5.4.20.0030.03711.95
5.4.10.0090.03111.95
5.4.00.0060.03611.44
5.3.290.0060.03912.80
5.3.280.0050.03812.71
5.3.270.0050.04112.72
5.3.260.0070.03812.72
5.3.250.0060.03812.72
5.3.240.0060.03712.72
5.3.230.0040.04012.71
5.3.220.0080.03512.68
5.3.210.0090.03912.68
5.3.200.0040.03912.68
5.3.190.0080.03512.68
5.3.180.0060.04212.67
5.3.170.0070.03712.67
5.3.160.0080.03912.67
5.3.150.0070.03712.68
5.3.140.0040.03912.66
5.3.130.0120.03612.66
5.3.120.0040.04012.66
5.3.110.0050.03912.66
5.3.100.0040.03912.12
5.3.90.0030.04012.08
5.3.80.0080.03412.07
5.3.70.0050.03612.08
5.3.60.0030.03912.07
5.3.50.0040.03812.00
5.3.40.0040.03812.00
5.3.30.0050.03511.94
5.3.20.0040.03711.71
5.3.10.0060.03411.69
5.3.00.0060.03511.67
5.2.170.0030.0399.17
5.2.160.0070.0329.18
5.2.150.0090.0389.18
5.2.140.0110.0379.17
5.2.130.0080.0399.13
5.2.120.0130.0349.13
5.2.110.0060.0399.14
5.2.100.0040.0309.14
5.2.90.0060.0289.14
5.2.80.0050.0309.13
5.2.70.0050.0309.13
5.2.60.0060.0309.09
5.2.50.0030.0399.05
5.2.40.0040.0329.04
5.2.30.0040.0309.01
5.2.20.0070.0299.00
5.2.10.0070.0328.92
5.2.00.0030.0378.77
5.1.60.0030.0258.06
5.1.50.0040.0258.06
5.1.40.0030.0258.04
5.1.30.0010.0298.39
5.1.20.0040.0278.41
5.1.10.0100.0208.13
5.1.00.0070.0238.13
5.0.50.0020.0226.61
5.0.40.0050.0246.47
5.0.30.0030.0316.29
5.0.20.0040.0186.26
5.0.10.0030.0206.23
5.0.00.0050.0316.22
4.4.90.0020.0184.78
4.4.80.0030.0154.75
4.4.70.0020.0164.75
4.4.60.0060.0134.75
4.4.50.0030.0194.77
4.4.40.0040.0234.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0010.0194.85
4.4.00.0050.0234.76
4.3.110.0060.0124.66
4.3.100.0030.0144.66
4.3.90.0020.0154.64
4.3.80.0020.0244.59
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0040.0224.54
4.3.30.0020.0173.28
4.3.20.0030.0153.26
4.3.10.0020.0153.22
4.3.00.0130.02315.97

preferences:
48.51 ms | 401 KiB | 5 Q