3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('@^\\$([a-zA-Z_\x7f-\xff]+)$@i','$atuamae='));

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)
8.3.70.0110.00716.88
8.3.60.0070.00718.40
8.3.50.0200.00722.12
8.3.40.0000.01518.82
8.3.30.0030.01019.10
8.3.20.0140.00020.17
8.3.10.0180.00023.48
8.3.00.0040.00420.44
8.2.180.0060.01218.54
8.2.170.0110.00322.96
8.2.160.0030.01122.42
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00017.63
8.2.110.0000.00922.38
8.2.100.0100.00617.91
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0030.00619.95
8.2.30.0000.00817.95
8.2.20.0000.00717.74
8.2.10.0030.00517.58
8.2.00.0000.00717.63
8.1.280.0110.00325.92
8.1.270.0000.00823.92
8.1.260.0070.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0100.00019.14
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00817.38
8.1.190.0070.00017.41
8.1.180.0060.00318.10
8.1.170.0060.00318.71
8.1.160.0070.00021.88
8.1.150.0040.00418.69
8.1.140.0040.00417.47
8.1.130.0030.00317.79
8.1.120.0030.00517.49
8.1.110.0040.00417.48
8.1.100.0000.00717.46
8.1.90.0000.00717.38
8.1.80.0000.00717.40
8.1.70.0000.00717.48
8.1.60.0030.00517.64
8.1.50.0000.00717.55
8.1.40.0080.00017.50
8.1.30.0040.00417.64
8.1.20.0050.00317.64
8.1.10.0040.00417.52
8.1.00.0000.00717.52
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0000.00718.29
8.0.270.0070.00017.06
8.0.260.0000.00716.84
8.0.250.0030.00316.82
8.0.240.0030.00317.01
8.0.230.0030.00317.01
8.0.220.0030.00316.82
8.0.210.0000.00716.91
8.0.200.0060.00016.88
8.0.190.0080.00016.92
8.0.180.0050.00316.89
8.0.170.0040.00416.89
8.0.160.0000.00716.85
8.0.150.0040.00316.78
8.0.140.0050.00316.80
8.0.130.0000.00613.34
8.0.120.0040.00416.87
8.0.110.0040.00416.80
8.0.100.0020.00516.90
8.0.90.0000.00716.71
8.0.80.0080.00816.95
8.0.70.0030.00516.82
8.0.60.0040.00416.75
8.0.50.0000.00716.98
8.0.30.0100.01116.92
8.0.20.0100.00917.40
8.0.10.0000.00716.93
8.0.00.0120.00816.82
7.4.330.0050.00015.00
7.4.320.0060.00016.57
7.4.300.0030.00316.43
7.4.290.0090.00016.64
7.4.280.0030.00316.47
7.4.270.0000.00816.51
7.4.260.0030.00316.52
7.4.250.0040.00416.62
7.4.240.0060.00116.70
7.4.230.0070.00016.69
7.4.220.0090.00916.76
7.4.210.0040.01216.62
7.4.200.0000.00716.43
7.4.190.0000.00716.84
7.4.160.0080.00816.58
7.4.150.0120.00617.40
7.4.140.0080.00917.86
7.4.130.0110.00616.46
7.4.120.0070.01216.44
7.4.110.0080.00816.44
7.4.100.0170.00016.49
7.4.90.0140.00316.50
7.4.80.0120.00616.58
7.4.70.0070.01116.74
7.4.60.0060.01016.77
7.4.50.0030.00316.67
7.4.40.0070.00522.77
7.4.30.0040.01216.45
7.4.00.0030.01415.00
7.3.330.0000.00513.13
7.3.320.0000.00613.02
7.3.310.0040.00416.38
7.3.300.0000.00616.33
7.3.290.0060.01016.31
7.3.280.0070.00816.24
7.3.270.0140.00617.40
7.3.260.0140.00316.45
7.3.250.0130.00416.51
7.3.240.0120.01216.39
7.3.230.0070.01016.51
7.3.210.0070.01116.27
7.3.200.0090.01019.39
7.3.190.0170.00016.43
7.3.180.0070.01116.55
7.3.170.0100.01016.49
7.3.160.0080.00816.34
7.3.120.0000.01414.72
7.2.330.0120.00616.48
7.2.320.0150.00316.56
7.2.310.0060.01516.62
7.2.300.0100.00616.58
7.2.290.0060.01116.62
7.2.60.0060.00617.10
7.2.00.0070.00719.41
7.1.200.0030.01015.95
7.1.100.0090.00318.34
7.1.70.0030.01317.33
7.1.60.0030.02119.32
7.1.50.0060.01317.01
7.1.00.0070.07322.41
7.0.200.0000.00816.88
7.0.140.0000.07721.95
7.0.100.0170.06719.88
7.0.90.0100.04319.93
7.0.80.0030.04719.88
7.0.70.0030.04319.95
7.0.60.0170.09019.89
7.0.50.0070.06320.38
7.0.40.0200.06320.19
7.0.30.0130.04320.07
7.0.20.0070.08320.17
7.0.10.0070.04720.11
7.0.00.0030.08020.17
5.6.280.0070.09321.11
5.6.250.0030.09020.61
5.6.240.0170.04020.59
5.6.230.0030.08720.59
5.6.220.0130.04020.66
5.6.210.0100.04720.57
5.6.200.0030.04320.94
5.6.190.0130.03721.04
5.6.180.0100.04721.13
5.6.170.0100.04020.93
5.6.160.0030.04721.13
5.6.150.0070.08020.96
5.6.140.0170.07321.05
5.6.130.0100.04721.04
5.6.120.0130.07721.04
5.6.110.0070.08720.95
5.6.100.0130.06321.05
5.6.90.0000.09320.99
5.6.80.0070.03320.39
5.6.70.0130.07020.37
5.6.60.0030.05720.53
5.6.50.0070.06020.31
5.6.40.0100.04720.37
5.6.30.0100.06020.48
5.6.20.0070.08320.38
5.6.10.0000.04320.38
5.6.00.0100.04720.39
5.5.380.0030.06020.43
5.5.370.0030.08320.38
5.5.360.0030.08020.33
5.5.350.0070.04720.40
5.5.340.0030.04320.79
5.5.330.0130.06020.92
5.5.320.0000.07320.86
5.5.310.0070.04020.79
5.5.300.0070.06320.87
5.5.290.0100.04720.74
5.5.280.0100.08320.89
5.5.270.0070.08320.74
5.5.260.0100.06020.81
5.5.250.0070.08320.58
5.5.240.0030.04020.18
5.5.230.0000.07320.29
5.5.220.0130.07320.13
5.5.210.0100.06720.14
5.5.200.0030.08020.23
5.5.190.0000.04720.17
5.5.180.0100.07320.26
5.5.160.0130.06020.13
5.5.150.0130.05720.23
5.5.140.0100.03320.28
5.5.130.0030.04019.94
5.5.120.0030.08020.17
5.5.110.0000.04320.20
5.5.100.0100.05720.16
5.5.90.0100.07720.09
5.5.80.0130.03320.07
5.5.70.0030.05720.15
5.5.60.0030.08020.10
5.5.50.0030.07319.95
5.5.40.0070.03720.10
5.5.30.0030.04019.99
5.5.20.0130.03019.95
5.5.10.0030.04019.95
5.5.00.0070.03720.04
5.4.450.0070.07319.41
5.4.440.0070.04019.29
5.4.430.0100.07319.30
5.4.420.0100.06319.30
5.4.410.0130.05319.16
5.4.400.0030.07718.95
5.4.390.0070.03318.79
5.4.380.0100.05319.03
5.4.370.0030.07318.92
5.4.360.0030.03719.05
5.4.350.0030.07319.05
5.4.340.0000.04019.10
5.4.320.0130.06019.23
5.4.310.0070.06319.03
5.4.300.0070.09019.02
5.4.290.0030.08319.16
5.4.280.0100.04718.81
5.4.270.0030.07318.98
5.4.260.0000.08318.81
5.4.250.0170.07019.22
5.4.240.0100.07019.03
5.4.230.0100.06318.96
5.4.220.0030.06718.91
5.4.210.0030.05018.77
5.4.200.0070.03719.04
5.4.190.0070.03719.02
5.4.180.0030.04019.03
5.4.170.0030.04018.89
5.4.160.0030.03319.10
5.4.150.0030.03718.97
5.4.140.0100.03316.32
5.4.130.0030.04716.34
5.4.120.0070.03016.37
5.4.110.0070.03716.26
5.4.100.0000.04016.32
5.4.90.0030.04016.38
5.4.80.0070.03316.29
5.4.70.0030.03716.34
5.4.60.0030.03716.18
5.4.50.0030.03016.21
5.4.40.0030.03716.42
5.4.30.0030.03016.27
5.4.20.0070.03316.22
5.4.10.0000.03316.31
5.4.00.0000.03015.79
5.3.290.0070.07314.53
5.3.280.0030.03714.56
5.3.270.0000.04014.43
5.3.260.0000.04014.59
5.3.250.0070.03714.61
5.3.240.0070.03314.59
5.3.230.0030.03714.42
5.3.220.0000.04014.38
5.3.210.0030.04014.42
5.3.200.0070.03714.55
5.3.190.0030.03714.38
5.3.180.0070.03014.41
5.3.170.0070.03014.42
5.3.160.0070.03314.54
5.3.150.0000.03314.55
5.3.140.0070.03014.55
5.3.130.0000.03314.52
5.3.120.0030.03714.50
5.3.110.0030.03714.38
5.3.100.0100.02314.02
5.3.90.0030.03713.99
5.3.80.0030.03014.00
5.3.70.0030.03313.92
5.3.60.0030.03014.00
5.3.50.0070.02713.90
5.3.40.0070.03313.89
5.3.30.0030.03013.85
5.3.20.0000.03713.68
5.3.10.0030.02713.50
5.3.00.0000.03013.66
5.2.170.0000.02712.27
5.2.160.0000.03012.27
5.2.150.0000.03012.27
5.2.140.0030.02712.27
5.2.130.0030.02312.27
5.2.120.0000.02712.27
5.2.110.0000.02712.27
5.2.100.0000.02712.27
5.2.90.0000.03012.27
5.2.80.0070.02312.27
5.2.70.0000.03012.27
5.2.60.0070.02012.27
5.2.50.0070.02012.27
5.2.40.0030.02312.27
5.2.30.0070.02012.27
5.2.20.0030.02312.27
5.2.10.0000.02712.27
5.2.00.0030.02012.27
5.1.60.0030.01712.27
5.1.50.0030.02012.27
5.1.40.0000.02012.27
5.1.30.0000.02312.27
5.1.20.0000.02712.27
5.1.10.0100.01312.27
5.1.00.0000.02312.27
5.0.50.0000.02012.27
5.0.40.0030.02312.27
5.0.30.0000.05312.27
5.0.20.0030.03012.27
5.0.10.0000.02712.27
5.0.00.0000.06012.27
4.4.90.0030.01312.27
4.4.80.0000.01312.27
4.4.70.0100.00712.27
4.4.60.0000.01312.27
4.4.50.0000.01712.27
4.4.40.0000.02312.27
4.4.30.0000.01312.27
4.4.20.0000.01312.27
4.4.10.0000.01712.27
4.4.00.0000.05012.27
4.3.110.0000.01712.27
4.3.100.0000.03012.27
4.3.90.0030.03312.27
4.3.80.0070.04712.27
4.3.70.0070.01712.27
4.3.60.0100.02712.27
4.3.50.0000.02712.27
4.3.40.0030.05012.27
4.3.30.0000.02712.27
4.3.20.0000.02012.27
4.3.10.0000.03712.27
4.3.00.0000.02712.27

preferences:
46.68 ms | 401 KiB | 5 Q