3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('@^(?!<)\w(?<!(,.))@','test');

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)
8.3.60.0040.01118.56
8.3.50.0160.00721.97
8.3.40.0080.00818.79
8.3.30.0110.00418.92
8.3.20.0040.00420.30
8.3.10.0080.00023.40
8.3.00.0050.00321.02
8.2.180.0100.00716.63
8.2.170.0140.00022.96
8.2.160.0000.01418.91
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0140.00322.32
8.2.110.0070.00321.17
8.2.100.0100.00317.84
8.2.90.0040.00419.27
8.2.80.0080.00017.97
8.2.70.0000.01017.50
8.2.60.0050.00317.80
8.2.50.0040.00418.10
8.2.40.0050.00319.88
8.2.30.0050.00318.21
8.2.20.0080.00017.81
8.2.10.0000.00717.95
8.2.00.0050.00517.70
8.1.280.0040.01425.92
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00422.74
8.1.230.0040.00717.64
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0080.00017.35
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0040.00418.62
8.1.160.0000.00721.97
8.1.150.0000.00818.64
8.1.140.0070.00017.46
8.1.130.0030.00517.78
8.1.120.0000.00717.39
8.1.110.0000.00717.38
8.1.100.0040.00317.37
8.1.90.0070.00017.47
8.1.80.0030.00517.48
8.1.70.0060.00317.46
8.1.60.0040.00417.49
8.1.50.0040.00417.50
8.1.40.0080.00417.43
8.1.30.0000.00817.54
8.1.20.0000.00717.71
8.1.10.0040.00417.61
8.1.00.0000.00717.35
8.0.300.0040.00418.77
8.0.290.0040.00416.61
8.0.280.0070.00018.33
8.0.270.0070.00017.21
8.0.260.0000.00817.20
8.0.250.0070.00017.06
8.0.240.0000.00816.96
8.0.230.0040.00417.00
8.0.220.0000.00716.86
8.0.210.0000.00716.79
8.0.200.0040.00416.93
8.0.190.0040.00416.92
8.0.180.0040.00416.90
8.0.170.0080.00016.90
8.0.160.0000.00716.86
8.0.150.0040.00416.88
8.0.140.0030.00616.77
8.0.130.0030.00313.32
8.0.120.0060.00316.93
8.0.110.0000.00716.80
8.0.100.0080.00016.96
8.0.90.0040.00416.73
8.0.80.0160.00016.89
8.0.70.0050.00216.92
8.0.60.0040.00416.91
8.0.50.0000.00717.02
8.0.30.0120.00817.23
8.0.20.0090.01017.44
8.0.10.0040.00416.93
8.0.00.0120.00616.75
7.4.330.0000.00615.00
7.4.320.0000.00716.60
7.4.300.0000.00616.58
7.4.290.0030.00616.57
7.4.280.0000.00716.64
7.4.270.0030.00316.57
7.4.260.0040.00416.65
7.4.250.0040.00416.55
7.4.240.0040.00416.63
7.4.230.0040.00416.46
7.4.220.0070.01116.54
7.4.210.0080.00816.65
7.4.200.0000.00716.62
7.4.190.0030.00316.73
7.4.160.0100.00616.39
7.4.150.0140.00317.40
7.4.140.0090.00817.86
7.4.130.0150.00216.59
7.4.120.0110.00716.64
7.4.110.0070.01016.67
7.4.100.0100.00716.62
7.4.90.0140.00316.59
7.4.80.0150.00719.39
7.4.70.0140.00716.45
7.4.60.0060.01216.50
7.4.50.0040.00016.55
7.4.40.0100.01016.59
7.4.30.0090.00616.48
7.4.00.0120.00314.83
7.3.330.0000.00613.14
7.3.320.0000.00513.17
7.3.310.0000.00716.11
7.3.300.0030.00316.30
7.3.290.0100.00616.33
7.3.280.0110.00716.30
7.3.270.0140.00317.40
7.3.260.0060.01216.71
7.3.250.0100.01116.55
7.3.240.0170.00616.71
7.3.230.0160.00016.39
7.3.210.0080.00816.32
7.3.200.0170.00619.39
7.3.190.0060.01016.74
7.3.180.0100.00716.48
7.3.170.0060.01116.38
7.3.160.0030.01316.73
7.3.120.0000.01715.16
7.2.330.0030.01916.78
7.2.320.0170.00016.60
7.2.310.0100.00716.52
7.2.300.0060.01016.47
7.2.290.0130.00616.54
7.2.00.0050.00519.41
7.1.100.0000.01218.34
7.1.70.0040.00416.98
7.1.60.0100.01319.46
7.1.50.0170.01016.98
7.1.00.0000.08022.47
7.0.200.0070.00316.80
7.0.140.0100.06721.92
7.0.70.0030.08321.71
7.0.60.0100.08021.75
7.0.50.0000.09022.09
7.0.40.0030.07720.09
7.0.30.0030.08720.18
7.0.20.0070.06020.08
7.0.10.0070.06020.02
7.0.00.0070.07719.99
5.6.280.0000.07720.98
5.6.220.0070.07720.73
5.6.210.0170.07720.45
5.6.200.0000.08321.04
5.6.190.0000.09021.02
5.6.180.0070.08021.01
5.6.170.0030.09021.03
5.6.160.0070.08020.93
5.6.150.0100.08320.95
5.6.140.0070.07021.04
5.6.130.0000.08021.16
5.6.120.0100.07721.06
5.6.110.0130.05321.06
5.6.100.0000.09021.11
5.6.90.0030.07720.93
5.6.80.0030.08020.46
5.6.70.0000.06020.45
5.6.60.0100.07320.31
5.6.50.0130.07320.38
5.6.40.0030.05320.30
5.6.30.0100.07320.39
5.6.20.0100.07320.36
5.6.10.0070.08020.41
5.6.00.0030.07020.33
5.5.360.0000.08320.35
5.5.350.0130.08020.43
5.5.340.0000.05720.86
5.5.330.0070.08320.92
5.5.320.0200.07020.72
5.5.310.0070.07320.79
5.5.300.0000.04320.91
5.5.290.0030.08720.89
5.5.280.0070.08320.81
5.5.270.0070.07020.87
5.5.260.0030.09020.81
5.5.250.0000.08720.58
5.5.240.0100.07320.15
5.5.230.0000.05720.25
5.5.220.0070.03720.12
5.5.210.0100.07020.17
5.5.200.0030.08020.23
5.5.190.0030.07320.24
5.5.180.0070.08320.18
5.5.160.0100.05320.22
5.5.150.0000.06720.20
5.5.140.0230.02720.17
5.5.130.0070.04320.20
5.5.120.0070.04720.19
5.5.110.0000.04320.26
5.5.100.0070.03720.07
5.5.90.0030.03719.93
5.5.80.0030.04019.96
5.5.70.0000.04719.99
5.5.60.0030.03719.94
5.5.50.0000.04319.99
5.5.40.0000.04020.13
5.5.30.0030.03720.04
5.5.20.0070.05320.14
5.5.10.0000.04720.00
5.5.00.0030.03320.05
5.4.450.0070.07719.10
5.4.440.0170.07019.35
5.4.430.0030.07719.41
5.4.420.0000.08319.38
5.4.410.0030.06019.31
5.4.400.0070.07719.07
5.4.390.0100.06319.03
5.4.380.0000.05319.14
5.4.370.0070.05319.03
5.4.360.0070.05018.81
5.4.350.0030.08019.10
5.4.340.0100.07318.90
5.4.320.0000.06019.04
5.4.310.0000.05319.09
5.4.300.0070.06319.23
5.4.290.0070.03319.11
5.4.280.0000.04019.14
5.4.270.0030.03719.06
5.4.260.0000.03719.02
5.4.250.0100.06719.09
5.4.240.0030.03719.04
5.4.230.0030.06319.11
5.4.220.0000.04019.03
5.4.210.0000.03719.02
5.4.200.0000.05318.95
5.4.190.0000.04019.01
5.4.180.0000.08019.13
5.4.170.0030.03318.93
5.4.160.0000.03718.89
5.4.150.0030.03719.10
5.4.140.0000.04316.27
5.4.130.0000.03716.38
5.4.120.0030.03316.27
5.4.110.0030.04316.38
5.4.100.0000.03016.30
5.4.90.0030.03316.26
5.4.80.0030.04716.43
5.4.70.0000.03316.20
5.4.60.0000.03316.20
5.4.50.0000.03716.19
5.4.40.0000.03716.40
5.4.30.0000.05716.39
5.4.20.0000.03316.24
5.4.10.0000.05716.29
5.4.00.0000.03015.82
5.3.290.0030.07015.82
5.3.280.0030.03015.82
5.3.270.0000.03715.82
5.3.260.0030.03715.82
5.3.250.0030.02715.82
5.3.240.0030.03315.82
5.3.230.0000.03715.82
5.3.220.0000.03715.82
5.3.210.0000.04015.82
5.3.200.0000.03315.82
5.3.190.0000.03715.82
5.3.180.0000.03715.82
5.3.170.0000.04015.82
5.3.160.0100.02315.82
5.3.150.0000.03715.82
5.3.140.0000.03315.82
5.3.130.0030.06315.82
5.3.120.0000.04715.82
5.3.110.0030.06315.82
5.3.100.0000.03015.82
5.3.90.0030.03315.82
5.3.80.0030.02715.82
5.3.70.0030.05015.82
5.3.60.0000.03715.82
5.3.50.0000.03315.82
5.3.40.0000.03715.82
5.3.30.0000.03715.82
5.3.20.0030.02715.82
5.3.10.0030.04015.82
5.3.00.0000.03715.82
5.2.170.0030.04315.82
5.2.160.0000.02715.82
5.2.150.0000.03015.82
5.2.140.0030.02315.82
5.2.130.0030.04015.82
5.2.120.0000.02315.82
5.2.110.0030.05315.82
5.2.100.0030.02315.82
5.2.90.0000.02715.82
5.2.80.0000.03015.82
5.2.70.0030.02715.82
5.2.60.0000.05315.82
5.2.50.0070.04015.82
5.2.40.0030.05015.82
5.2.30.0030.06015.82
5.2.20.0000.06015.82
5.2.10.0000.06015.82
5.2.00.0030.05315.82
5.1.60.0070.05015.82
5.1.50.0000.03015.82
5.1.40.0030.05015.82
5.1.30.0070.05315.82
5.1.20.0070.04715.82
5.1.10.0070.04715.82
5.1.00.0070.05315.82
5.0.50.0030.04315.82
5.0.40.0100.04015.82
5.0.30.0000.07015.82
5.0.20.0030.03715.82
5.0.10.0030.04715.82
5.0.00.0000.06015.82
4.4.90.0000.01315.82
4.4.80.0030.02715.82
4.4.70.0000.02315.82
4.4.60.0000.02315.82
4.4.50.0000.03715.82
4.4.40.0030.03715.82
4.4.30.0000.02015.82
4.4.20.0000.03315.82
4.4.10.0000.02715.82
4.4.00.0030.04015.82
4.3.110.0000.04015.82
4.3.100.0070.02715.82
4.3.90.0000.02715.82
4.3.80.0030.03315.82
4.3.70.0030.03315.82
4.3.60.0070.03015.82
4.3.50.0000.03715.82
4.3.40.0030.05315.82
4.3.30.0000.03715.82
4.3.20.0000.03715.82
4.3.10.0070.03015.82
4.3.00.0000.04015.82

preferences:
40.47 ms | 401 KiB | 5 Q