3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "@"; echo preg_match('/^\S$/', $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)
8.3.40.0040.01118.79
8.3.30.0110.00419.00
8.3.20.0040.00420.16
8.3.10.0040.00423.70
8.3.00.0090.00017.63
8.2.170.0090.00622.96
8.2.160.0160.00320.37
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0070.00021.01
8.2.110.0100.00721.00
8.2.100.0060.00617.91
8.2.90.0000.00819.29
8.2.80.0030.00517.97
8.2.70.0050.00517.75
8.2.60.0060.00317.91
8.2.50.0000.00818.07
8.2.40.0030.00618.03
8.2.30.0000.00818.13
8.2.20.0000.00717.81
8.2.10.0030.00618.00
8.2.00.0040.00417.66
8.1.270.0030.00623.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00820.63
8.1.230.0000.01220.74
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00717.35
8.1.190.0030.00617.11
8.1.180.0060.00318.10
8.1.170.0040.01118.24
8.1.160.0050.00321.96
8.1.150.0040.00418.73
8.1.140.0050.00217.57
8.1.130.0030.00317.82
8.1.120.0040.00417.42
8.1.110.0080.00017.39
8.1.100.0040.00417.46
8.1.90.0040.00417.43
8.1.80.0000.00817.44
8.1.70.0030.00317.43
8.1.60.0080.00317.61
8.1.50.0040.00417.55
8.1.40.0040.00417.65
8.1.30.0040.00417.73
8.1.20.0060.00317.63
8.1.10.0040.00417.65
8.1.00.0040.00417.60
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.41
8.0.270.0000.00717.27
8.0.260.0040.00417.32
8.0.250.0000.00717.11
8.0.240.0030.00317.02
8.0.230.0090.00016.98
8.0.220.0030.00316.99
8.0.210.0000.00716.87
8.0.200.0000.00816.95
8.0.190.0000.00917.01
8.0.180.0000.00717.07
8.0.170.0040.00416.98
8.0.160.0000.00816.95
8.0.150.0080.00016.90
8.0.140.0030.00616.89
8.0.130.0040.00413.41
8.0.120.0020.00516.91
8.0.110.0040.00416.87
8.0.100.0040.00416.78
8.0.90.0000.00717.00
8.0.80.0030.01216.90
8.0.70.0050.00316.91
8.0.60.0040.00416.82
8.0.50.0080.00016.85
8.0.30.0090.01016.93
8.0.20.0080.01117.40
8.0.10.0040.00417.04
8.0.00.0130.00816.96
7.4.330.0030.00315.11
7.4.320.0000.00616.57
7.4.300.0000.00716.75
7.4.290.0050.00516.76
7.4.280.0040.00416.54
7.4.270.0040.00416.74
7.4.260.0040.00716.62
7.4.250.0030.00416.46
7.4.240.0020.00516.65
7.4.230.0070.00016.79
7.4.220.0170.00916.74
7.4.210.0030.01016.82
7.4.200.0040.00416.82
7.4.160.0100.00716.75
7.4.150.0030.01617.40
7.4.140.0100.01017.86
7.4.130.0100.00716.56
7.4.120.0090.01016.58
7.4.110.0100.00616.45
7.4.100.0080.01516.71
7.4.90.0070.01016.61
7.4.80.0180.00019.39
7.4.70.0120.00916.56
7.4.60.0030.01316.59
7.4.50.0060.00316.45
7.4.40.0100.01016.57
7.4.30.0140.00316.59
7.4.00.0000.01515.02
7.3.330.0040.00313.11
7.3.320.0050.00013.05
7.3.310.0070.00016.36
7.3.300.0000.00716.26
7.3.290.0120.00316.34
7.3.280.0040.01116.24
7.3.270.0060.01217.40
7.3.260.0090.00916.38
7.3.250.0090.00916.38
7.3.240.0130.00416.66
7.3.230.0060.01216.39
7.3.210.0080.00816.34
7.3.200.0070.01019.39
7.3.190.0100.01016.57
7.3.180.0130.00616.33
7.3.170.0140.00716.40
7.3.160.0030.01216.43
7.2.330.0060.01216.62
7.2.320.0100.01016.50
7.2.310.0130.01016.65
7.2.300.0070.01616.75
7.2.290.0110.00616.53
7.2.60.0000.01117.03
7.2.50.0130.00016.55
7.1.200.0080.00316.05
7.1.70.0030.00617.17
7.1.60.0140.01019.40
7.1.50.0060.01617.09
7.1.00.0000.08022.59
7.0.200.0030.00716.91
7.0.140.0030.07322.12
7.0.100.0130.08719.96
7.0.90.0130.05019.93
7.0.80.0130.07719.89
7.0.70.0130.07719.83
7.0.60.0170.08020.01
7.0.50.0230.07020.38
7.0.40.0030.07720.09
7.0.30.0130.06020.12
7.0.20.0130.08720.18
7.0.10.0170.04320.07
7.0.00.0100.07320.08
5.6.280.0000.07721.11
5.6.250.0170.04020.62
5.6.240.0000.08020.63
5.6.230.0030.09020.66
5.6.220.0230.05720.60
5.6.210.0030.04320.77
5.6.200.0170.08321.07
5.6.190.0100.08320.95
5.6.180.0130.06721.05
5.6.170.0100.08721.01
5.6.160.0130.07320.95
5.6.150.0100.06021.04
5.6.140.0100.06721.01
5.6.130.0070.07720.94
5.6.120.0130.08021.16
5.6.110.0130.07021.09
5.6.100.0070.08321.06
5.6.90.0030.05721.02
5.6.80.0100.06720.31
5.6.70.0130.06020.45
5.6.60.0170.07320.45
5.6.50.0170.06720.35
5.6.40.0030.08320.29
5.6.30.0100.06320.43
5.6.20.0030.04320.40
5.6.10.0230.05720.36
5.6.00.0130.06320.50
5.5.380.0070.05020.41
5.5.370.0100.05020.35
5.5.360.0130.07720.33
5.5.350.0000.05020.43
5.5.340.0070.08320.80
5.5.330.0030.08320.80
5.5.320.0100.07720.75
5.5.310.0070.07020.89
5.5.300.0070.06720.88
5.5.290.0200.07020.82
5.5.280.0200.05020.86
5.5.270.0030.04320.91
5.5.260.0130.07320.62
5.5.250.0100.07320.66
5.5.240.0030.06320.02
5.5.230.0030.07720.16
5.5.220.0100.07720.25
5.5.210.0130.07020.14
5.5.200.0170.06020.22
5.5.190.0130.07020.23
5.5.180.0130.06020.18
5.5.160.0030.04020.18
5.5.150.0130.03720.05
5.5.140.0070.05320.11
5.5.130.0000.04320.06
5.5.120.0070.07720.09
5.5.110.0030.07020.07
5.5.100.0030.04320.00
5.5.90.0030.04020.08
5.5.80.0030.03720.05
5.5.70.0100.07319.96
5.5.60.0030.07019.99
5.5.50.0070.08020.08
5.5.40.0130.06720.02
5.5.30.0070.07720.04
5.5.20.0070.07020.13
5.5.10.0130.07019.99
5.5.00.0130.07720.07
5.4.450.0100.07719.27
5.4.440.0100.07019.11
5.4.430.0070.08019.30
5.4.420.0100.05019.38
5.4.410.0030.07719.16
5.4.400.0130.06318.97
5.4.390.0030.05719.02
5.4.380.0000.06318.81
5.4.370.0030.04319.05
5.4.360.0100.04019.06
5.4.350.0130.06718.79
5.4.340.0100.06719.12
5.4.320.0100.06718.98
5.4.310.0030.07719.09
5.4.300.0170.06718.83
5.4.290.0030.05018.97
5.4.280.0030.05718.89
5.4.270.0000.03718.81
5.4.260.0030.06718.98
5.4.250.0070.08018.77
5.4.240.0100.06719.04
5.4.230.0030.06718.97
5.4.220.0070.08019.14
5.4.210.0070.07319.08
5.4.200.0000.05718.89
5.4.190.0130.06718.96
5.4.180.0230.05719.02
5.4.170.0070.07018.77
5.4.160.0100.04019.01
5.4.150.0100.07719.02
5.4.140.0030.08016.08
5.4.130.0100.06716.34
5.4.120.0070.07716.27
5.4.110.0070.07316.21
5.4.100.0100.07316.20
5.4.90.0070.04016.36
5.4.80.0070.07316.29
5.4.70.0030.07716.39
5.4.60.0100.03716.19
5.4.50.0100.06716.48
5.4.40.0170.07016.25
5.4.30.0070.07716.19
5.4.20.0100.07016.39
5.4.10.0070.07716.40
5.4.00.0070.07315.50
5.3.290.0030.07014.57
5.3.280.0100.07314.55
5.3.270.0270.05714.43
5.3.260.0070.08014.56
5.3.250.0100.05714.58
5.3.240.0070.06714.59
5.3.230.0000.07714.59
5.3.220.0100.07314.55
5.3.210.0000.06714.55
5.3.200.0130.06714.55
5.3.190.0070.07014.55
5.3.180.0100.06014.42
5.3.170.0030.04314.53
5.3.160.0000.07714.51
5.3.150.0100.07014.38
5.3.140.0100.07014.50
5.3.130.0100.07714.53
5.3.120.0030.07014.51
5.3.110.0100.07314.45
5.3.100.0170.05314.02
5.3.90.0030.06014.01
5.3.80.0030.04713.97
5.3.70.0100.07013.99
5.3.60.0070.07013.91
5.3.50.0070.07313.90
5.3.40.0070.04013.80
5.3.30.0130.02713.81
5.3.20.0030.03313.66
5.3.10.0070.03313.52
5.3.00.0030.03713.43
5.2.170.0130.05312.65
5.2.160.0030.04312.65
5.2.150.0070.02712.65
5.2.140.0070.02712.65
5.2.130.0070.02312.65
5.2.120.0070.03012.65
5.2.110.0000.03312.65
5.2.100.0000.03712.65
5.2.90.0030.03012.65
5.2.80.0030.04312.65
5.2.70.0000.03012.65
5.2.60.0000.03012.65
5.2.50.0030.02712.65
5.2.40.0000.03012.65
5.2.30.0000.03012.65
5.2.20.0030.02712.65
5.2.10.0000.03012.65
5.2.00.0000.03012.65
5.1.60.0030.03312.65
5.1.50.0030.03712.65
5.1.40.0030.02312.65
5.1.30.0000.03012.65
5.1.20.0000.05012.65
5.1.10.0070.02012.65
5.1.00.0030.02712.65
5.0.50.0000.02312.65
5.0.40.0000.02312.65
5.0.30.0030.03012.65
5.0.20.0030.01712.65
5.0.10.0030.01712.65
5.0.00.0030.04312.65
4.4.90.0000.01712.65
4.4.80.0030.01312.65
4.4.70.0000.01712.65
4.4.60.0000.01712.65
4.4.50.0030.01312.65
4.4.40.0030.05712.65
4.4.30.0000.01712.65
4.4.20.0000.02712.65
4.4.10.0030.02712.65
4.4.00.0000.03312.65
4.3.110.0000.02312.65
4.3.100.0000.01712.65
4.3.90.0000.01312.65
4.3.80.0070.01712.65
4.3.70.0000.01312.65
4.3.60.0030.01312.65
4.3.50.0030.01312.65
4.3.40.0000.02312.65
4.3.30.0030.01312.65
4.3.20.0000.01712.65
4.3.10.0030.01312.65
4.3.00.0000.01312.65

preferences:
37.65 ms | 400 KiB | 5 Q