3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/(?<bar>o)\g'bar'/", 'foo'));

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)
8.3.60.0120.00316.63
8.3.50.0120.00918.12
8.3.40.0120.00618.82
8.3.30.0070.00718.84
8.3.20.0050.00220.34
8.3.10.0040.00421.73
8.3.00.0090.00019.51
8.2.180.0110.00718.54
8.2.170.0100.00722.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0090.00019.33
8.2.110.0060.00320.53
8.2.100.0040.00819.76
8.2.90.0000.00819.11
8.2.80.0030.00617.97
8.2.70.0080.00017.50
8.2.60.0050.00319.66
8.2.50.0000.00818.07
8.2.40.0000.00718.02
8.2.30.0000.00717.85
8.2.20.0060.00317.71
8.2.10.0030.00617.96
8.2.00.0030.00617.71
8.1.280.0070.01125.92
8.1.270.0040.01118.67
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.07
8.1.230.0040.00817.51
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00320.44
8.1.160.0000.00821.91
8.1.150.0000.00718.79
8.1.140.0040.00417.39
8.1.130.0000.00817.79
8.1.120.0000.00717.39
8.1.110.0000.00817.36
8.1.100.0000.00717.34
8.1.90.0070.00017.46
8.1.80.0000.00817.48
8.1.70.0030.00317.50
8.1.60.0030.00617.60
8.1.50.0040.00417.57
8.1.40.0040.00417.60
8.1.30.0040.00417.61
8.1.20.0030.00517.58
8.1.10.0000.00717.42
8.1.00.0000.00717.52
8.0.300.0000.00718.77
8.0.290.0000.00916.75
8.0.280.0030.00518.36
8.0.270.0070.00017.20
8.0.260.0040.00417.03
8.0.250.0030.00316.88
8.0.240.0040.00416.93
8.0.230.0030.00617.00
8.0.220.0070.00016.85
8.0.210.0000.00716.91
8.0.200.0000.00616.80
8.0.190.0040.00416.99
8.0.180.0000.00716.96
8.0.170.0040.00416.76
8.0.160.0040.00416.88
8.0.150.0070.00016.75
8.0.140.0040.00416.91
8.0.130.0080.00013.42
8.0.120.0000.00716.91
8.0.110.0040.00416.90
8.0.100.0040.00416.85
8.0.90.0050.00316.73
8.0.80.0090.00616.88
8.0.70.0040.00416.74
8.0.60.0040.00416.86
8.0.50.0030.00316.97
8.0.30.0210.02117.33
8.0.20.0060.01617.40
8.0.10.0070.00017.03
8.0.00.0110.00816.75
7.4.330.0000.00515.03
7.4.320.0070.00016.59
7.4.300.0000.00616.68
7.4.290.0000.00716.68
7.4.280.0040.00416.55
7.4.270.0060.00016.68
7.4.260.0000.00716.62
7.4.250.0070.00016.55
7.4.240.0050.00316.65
7.4.230.0030.00316.78
7.4.220.0150.01216.69
7.4.210.0080.00816.79
7.4.200.0000.00716.49
7.4.160.0130.00316.55
7.4.150.0060.01217.40
7.4.140.0120.00917.86
7.4.130.0120.00916.58
7.4.120.0070.01016.48
7.4.110.0070.01616.46
7.4.100.0030.02016.75
7.4.90.0070.01016.66
7.4.80.0030.01619.39
7.4.70.0100.00616.68
7.4.60.0170.00016.53
7.4.50.0030.00616.50
7.4.40.0090.00916.69
7.4.30.0040.01516.64
7.4.00.0070.01014.98
7.3.330.0000.00513.20
7.3.320.0060.00613.22
7.3.310.0070.00016.22
7.3.300.0000.00616.31
7.3.290.0070.00016.31
7.3.280.0090.00916.27
7.3.270.0060.01217.40
7.3.260.0040.01516.32
7.3.250.0070.01016.44
7.3.240.0170.00516.29
7.3.230.0110.00616.45
7.3.210.0090.00916.64
7.3.200.0070.01419.39
7.3.190.0060.01016.31
7.3.180.0030.01716.47
7.3.170.0150.00416.40
7.3.160.0120.00416.54
7.2.330.0100.01016.57
7.2.320.0110.01116.36
7.2.310.0140.00316.52
7.2.300.0120.00616.53
7.2.290.0060.01216.55
7.2.60.0030.01016.75
7.2.00.0080.00419.59
7.1.200.0040.01115.98
7.1.100.0050.00518.43
7.1.70.0030.00717.03
7.1.60.0130.00019.50
7.1.50.0070.01117.05
7.1.00.0100.07022.30
7.0.200.0040.00815.03
7.0.140.0000.07321.95
7.0.100.0070.04719.97
7.0.90.0200.05019.88
7.0.80.0370.07319.96
7.0.70.0200.06719.84
7.0.60.0070.08019.96
7.0.50.0100.07320.30
7.0.40.0130.07720.07
7.0.30.0130.08320.05
7.0.20.0070.08320.00
7.0.10.0100.04320.14
7.0.00.0070.08320.08
5.6.280.0000.07721.06
5.6.250.0030.04720.65
5.6.240.0130.07320.57
5.6.230.0100.08020.56
5.6.220.0230.05320.61
5.6.210.0100.06320.55
5.6.200.0100.07321.02
5.6.190.0070.04321.15
5.6.180.0100.08021.04
5.6.170.0100.07321.03
5.6.160.0070.08021.02
5.6.150.0070.05021.11
5.6.140.0030.05321.04
5.6.130.0100.04721.02
5.6.120.0130.06321.05
5.6.110.0130.08320.92
5.6.100.0130.07720.99
5.6.90.0130.07320.99
5.6.80.0030.04720.49
5.6.70.0030.04320.48
5.6.60.0030.04020.43
5.6.50.0030.04020.45
5.6.40.0070.04320.29
5.6.30.0100.03320.36
5.6.20.0070.03720.52
5.6.10.0030.04020.39
5.6.00.0030.04020.28
5.5.380.0030.05720.35
5.5.370.0100.07720.34
5.5.360.0030.05720.39
5.5.350.0070.07720.38
5.5.340.0030.08320.63
5.5.330.0230.06720.73
5.5.320.0130.07720.91
5.5.310.0130.07720.72
5.5.300.0130.07020.88
5.5.290.0070.07020.86
5.5.280.0070.04320.86
5.5.270.0100.04720.81
5.5.260.0070.07720.86
5.5.250.0030.08720.55
5.5.240.0130.04020.20
5.5.230.0230.03320.15
5.5.220.0070.03720.10
5.5.210.0030.04020.30
5.5.200.0000.04020.27
5.5.190.0000.04020.09
5.5.180.0070.07320.20
5.5.160.0000.04320.17
5.5.150.0070.03720.13
5.5.140.0070.04720.15
5.5.130.0070.03720.22
5.5.120.0100.05020.11
5.5.110.0070.04020.24
5.5.100.0070.03320.09
5.5.90.0100.03320.04
5.5.80.0070.04019.96
5.5.70.0030.04020.05
5.5.60.0130.03319.93
5.5.50.0030.03720.13
5.5.40.0030.04319.95
5.5.30.0100.03320.09
5.5.20.0030.03720.06
5.5.10.0030.04020.10
5.5.00.0030.04019.96
5.4.450.0170.05719.24
5.4.440.0130.08019.37
5.4.430.0070.07319.38
5.4.420.0000.08319.26
5.4.410.0070.05719.29
5.4.400.0130.03019.07
5.4.390.0070.03718.96
5.4.380.0030.03719.07
5.4.370.0030.04019.12
5.4.360.0100.03718.81
5.4.350.0000.04019.03
5.4.340.0000.04719.03
5.4.320.0030.04018.79
5.4.310.0130.03019.14
5.4.300.0130.03019.02
5.4.290.0100.03319.13
5.4.280.0070.04019.03
5.4.270.0030.04718.96
5.4.260.0000.04018.89
5.4.250.0030.04719.11
5.4.240.0030.03719.09
5.4.230.0100.03018.80
5.4.220.0030.04018.82
5.4.210.0030.03719.11
5.4.200.0070.03318.95
5.4.190.0000.04019.23
5.4.180.0030.03718.77
5.4.170.0100.03319.04
5.4.160.0000.04019.02
5.4.150.0070.03719.00
5.4.140.0070.03316.33
5.4.130.0000.03316.33
5.4.120.0070.03316.36
5.4.110.0070.03716.30
5.4.100.0070.03316.21
5.4.90.0030.03316.24
5.4.80.0070.05316.19
5.4.70.0100.03016.32
5.4.60.0070.03016.24
5.4.50.0030.03716.28
5.4.40.0200.06316.25
5.4.30.0130.06016.44
5.4.20.0070.06016.30
5.4.10.0070.06316.40
5.4.00.0070.03315.73
5.3.290.0000.04314.52
5.3.280.0000.03714.59
5.3.270.0030.04314.61
5.3.260.0030.03714.58
5.3.250.0030.03714.51
5.3.240.0030.03714.60
5.3.230.0000.03314.58
5.3.220.0070.03314.56
5.3.210.0030.03314.54
5.3.200.0000.04014.52
5.3.190.0030.03714.56
5.3.180.0000.04014.46
5.3.170.0000.03314.39
5.3.160.0030.03314.39
5.3.150.0000.04014.53
5.3.140.0100.07314.37
5.3.130.0130.07014.56
5.3.120.0030.05314.52
5.3.110.0030.04714.38
5.3.100.0030.07313.89
5.3.90.0030.06713.85
5.3.80.0130.07014.02
5.3.70.0030.05013.77
5.3.60.0070.07013.96
5.3.50.0100.05013.91
5.3.40.0130.06313.70
5.3.30.0130.06313.86
5.3.20.0070.07313.63
5.3.10.0030.07313.53
5.3.00.0070.07013.60
5.2.170.0170.05313.27
5.2.160.0030.06313.27
5.2.150.0030.06013.27
5.2.140.0070.05713.27
5.2.130.0070.04313.27
5.2.120.0100.05013.27
5.2.110.0070.06013.27
5.2.100.0070.05713.27
5.2.90.0170.05013.27
5.2.80.0100.04713.27
5.2.70.0000.04013.27
5.2.60.0000.06713.27
5.2.50.0070.03713.27
5.2.40.0000.05313.27
5.2.30.0070.05713.27
5.2.20.0100.05713.27
5.2.10.0130.04713.27
5.2.00.0070.05713.27
5.1.60.0000.04013.27
5.1.50.0170.04313.27
5.1.40.0030.05013.27
5.1.30.0070.03313.27
5.1.20.0030.04313.27
5.1.10.0070.05313.27
5.1.00.0030.03313.27
5.0.50.0000.05013.27
5.0.40.0030.02313.27
5.0.30.0070.06013.27
5.0.20.0000.02013.27
5.0.10.0070.03713.27
5.0.00.0030.06013.27
4.4.90.0030.03713.27
4.4.80.0070.03313.27
4.4.70.0000.03713.27
4.4.60.0030.03313.27
4.4.50.0030.03313.27
4.4.40.0070.02313.27
4.4.30.0070.03013.27
4.4.20.0070.01713.27
4.4.10.0030.01713.27
4.4.00.0000.03013.27
4.3.110.0000.02313.27
4.3.100.0030.02713.27
4.3.90.0070.04013.27
4.3.80.0070.04713.27
4.3.70.0030.03713.27
4.3.60.0000.03713.27
4.3.50.0000.03713.27
4.3.40.0030.04713.27
4.3.30.0000.03013.27
4.3.20.0070.03013.27
4.3.10.0000.04013.27
4.3.00.0000.03313.27

preferences:
44.86 ms | 400 KiB | 5 Q