3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2); $test = 'found {{$the}}'; $the = 'var'; preg_match('/({{\$(.*)}})/',$test,$matches); var_dump($matches[2]); var_dump(${$matches[2]}); $new = preg_replace('/({{\$(.*)}})/',${$matches[2]},$test); echo $new;

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)
8.3.60.0100.00718.43
8.3.50.0090.01121.29
8.3.40.0120.00318.88
8.3.30.0140.00019.02
8.3.20.0000.00820.39
8.3.10.0060.00320.73
8.3.00.0080.00017.63
8.2.180.0040.01517.00
8.2.170.0080.01122.96
8.2.160.0200.00020.52
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0140.00026.16
8.2.120.0080.00022.19
8.2.110.0030.00620.52
8.2.100.0040.00718.03
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0060.00317.88
8.2.60.0120.00017.93
8.2.50.0040.00418.07
8.2.40.0000.00818.08
8.2.30.0040.00419.30
8.2.20.0050.00317.92
8.2.10.0040.00418.08
8.2.00.0030.00617.89
8.1.280.0140.00425.92
8.1.270.0040.00423.97
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0070.00319.22
8.1.220.0050.00317.91
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0030.00517.35
8.1.180.0030.00518.10
8.1.170.0000.00818.76
8.1.160.0000.00722.04
8.1.150.0040.00418.95
8.1.140.0040.00417.45
8.1.130.0030.00317.80
8.1.120.0070.00017.68
8.1.110.0040.00417.61
8.1.100.0050.00317.58
8.1.90.0040.00317.49
8.1.80.0040.00417.61
8.1.70.0000.00717.49
8.1.60.0000.00817.78
8.1.50.0050.00317.59
8.1.40.0070.00017.67
8.1.30.0030.00617.71
8.1.20.0040.00417.73
8.1.10.0000.00717.73
8.1.00.0000.00717.70
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00718.35
8.0.270.0040.00416.93
8.0.260.0000.00717.32
8.0.250.0000.00717.09
8.0.240.0070.00017.09
8.0.230.0070.00017.14
8.0.220.0030.00317.00
8.0.210.0030.00516.92
8.0.200.0000.00716.98
8.0.190.0000.00817.00
8.0.180.0070.00016.94
8.0.170.0050.00317.05
8.0.160.0030.00317.08
8.0.150.0040.00416.86
8.0.140.0000.00717.02
8.0.130.0050.00013.43
8.0.120.0040.00417.02
8.0.110.0000.00817.05
8.0.100.0020.00516.98
8.0.90.0080.00016.98
8.0.80.0120.00317.00
8.0.70.0000.00716.90
8.0.60.0000.00816.98
8.0.50.0000.00817.14
8.0.30.0120.01017.10
8.0.20.0150.00917.40
8.0.10.0000.00717.09
8.0.00.0080.01016.86
7.4.330.0050.00015.15
7.4.320.0040.00416.57
7.4.300.0000.00716.70
7.4.290.0060.00316.81
7.4.280.0080.00016.84
7.4.270.0070.00016.67
7.4.260.0050.00216.78
7.4.250.0080.00016.67
7.4.240.0050.00216.75
7.4.230.0050.00316.86
7.4.220.0070.01016.88
7.4.210.0120.00316.76
7.4.200.0040.00416.84
7.4.160.0130.00316.83
7.4.150.0150.00917.40
7.4.140.0100.01017.86
7.4.130.0100.00816.71
7.4.120.0060.01016.68
7.4.110.0070.01016.66
7.4.100.0060.01016.58
7.4.90.0090.00916.62
7.4.80.0090.00919.03
7.4.70.0110.00616.83
7.4.60.0120.00416.50
7.4.50.0000.00816.31
7.4.40.0110.00916.77
7.4.30.0090.00716.75
7.4.00.0070.01015.02
7.3.330.0000.00613.34
7.3.320.0000.00513.38
7.3.310.0000.00716.55
7.3.300.0070.00016.38
7.3.290.0030.01016.47
7.3.280.0080.00916.43
7.3.270.0060.01117.40
7.3.260.0100.00616.49
7.3.250.0090.00916.61
7.3.240.0070.01016.73
7.3.230.0200.00316.80
7.3.210.0090.01216.49
7.3.200.0030.01319.39
7.3.190.0140.00316.62
7.3.180.0090.01216.54
7.3.170.0150.00616.65
7.3.160.0090.00616.43
7.2.330.0070.01316.82
7.2.320.0110.01116.85
7.2.310.0120.00616.72
7.2.300.0140.00316.73
7.2.290.0070.01016.67
7.2.00.0030.00719.65
7.1.100.0070.00318.26
7.1.70.0070.00017.39
7.1.60.0090.01219.32
7.1.50.0060.01917.09
7.1.00.0030.07322.32
7.0.200.0000.00916.70
7.0.140.0070.07022.11
7.0.60.0030.04019.75
7.0.50.0130.04717.83
7.0.40.0070.05020.14
7.0.30.0300.06720.11
7.0.20.0170.04020.32
7.0.10.0130.04320.19
7.0.00.0030.04020.13
5.6.280.0030.07020.86
5.6.210.0030.06320.64
5.6.200.0100.08018.10
5.6.190.0100.07020.27
5.6.180.0430.06020.50
5.6.170.0300.08020.56
5.6.160.0130.07720.41
5.6.150.0100.07318.08
5.6.140.0100.08018.12
5.6.130.0030.06018.21
5.6.120.0000.04320.89
5.6.110.0130.08020.88
5.6.100.0070.05321.00
5.6.90.0100.07021.09
5.6.80.0130.05720.40
5.5.350.0200.08320.30
5.5.340.0130.07317.93
5.5.330.0170.06020.47
5.5.320.0270.03720.20
5.5.310.0200.07020.23
5.5.300.0030.05717.89
5.5.290.0100.03317.84
5.5.280.0000.07720.79
5.5.270.0000.04720.77
5.5.260.0100.06020.67
5.5.250.0130.07320.77
5.5.240.0200.07320.16
5.4.450.0730.03319.39
5.4.440.0700.06719.60
5.4.430.1070.05319.11
5.4.420.0730.00019.14
5.4.410.0630.00019.57
5.4.400.0630.00019.20
5.4.390.0600.00019.05
5.4.380.0430.05318.68
5.4.370.0400.04718.46
5.4.360.0570.06018.52
5.4.350.0370.07018.69
5.4.340.0300.05318.73
5.4.320.0130.03212.46
5.4.310.0120.03512.45
5.4.300.0060.03712.46
5.4.290.0050.03912.45
5.4.280.0070.03412.35
5.4.270.0050.03712.35
5.4.260.0100.03412.35
5.4.250.0070.04012.35
5.4.240.0050.04212.35
5.4.230.0080.03712.34
5.4.220.0060.03812.34
5.4.210.0080.03412.34
5.4.200.0070.03912.34
5.4.190.0070.03612.34
5.4.180.0030.04112.34
5.4.170.0080.03412.35
5.4.160.0050.03612.34
5.4.150.0070.03412.34
5.4.140.0060.03712.02
5.4.130.0080.03312.01
5.4.120.0070.03411.97
5.4.110.0060.03511.97
5.4.100.0060.03511.96
5.4.90.0070.03811.96
5.4.80.0070.03911.96
5.4.70.0130.03411.96
5.4.60.0060.04111.96
5.4.50.0070.03411.96
5.4.40.0070.03911.95
5.4.30.0010.04211.95
5.4.20.0030.03911.95
5.4.10.0050.03511.95
5.4.00.0080.03411.43
5.3.290.0050.04012.80
5.3.280.0100.03712.71
5.3.270.0090.03912.72
5.3.260.0060.03812.72
5.3.250.0050.04112.72
5.3.240.0080.03612.72
5.3.230.0070.03612.71
5.3.220.0060.03612.68
5.3.210.0060.03912.68
5.3.200.0050.03612.68
5.3.190.0070.03612.68
5.3.180.0050.03612.67
5.3.170.0080.03412.67
5.3.160.0050.03712.68
5.3.150.0100.03312.68
5.3.140.0070.03912.66
5.3.130.0050.03912.66
5.3.120.0110.03712.66
5.3.110.0040.04612.66
5.3.100.0080.04112.12
5.3.90.0120.03412.09
5.3.80.0070.04112.08
5.3.70.0120.03712.08
5.3.60.0090.03312.07
5.3.50.0060.03512.00
5.3.40.0040.03812.00
5.3.30.0050.03511.96
5.3.20.0070.03411.73
5.3.10.0050.03711.70
5.3.00.0110.03511.69
5.2.170.0020.0369.19
5.2.160.0040.0419.19
5.2.150.0090.0399.19
5.2.140.0050.0429.19
5.2.130.0040.0419.15
5.2.120.0050.0319.14
5.2.110.0050.0319.15
5.2.100.0050.0299.15
5.2.90.0040.0319.15
5.2.80.0020.0339.14
5.2.70.0090.0309.14
5.2.60.0050.0309.09
5.2.50.0030.0319.07
5.2.40.0060.0279.05
5.2.30.0050.0299.03
5.2.20.0050.0329.02
5.2.10.0030.0318.92
5.2.00.0030.0308.77
5.1.60.0040.0258.07
5.1.50.0050.0258.06
5.1.40.0080.0218.04
5.1.30.0050.0258.39
5.1.20.0080.0248.41
5.1.10.0070.0298.14
5.1.00.0070.0238.14
5.0.50.0050.0216.61
5.0.40.0040.0226.47
5.0.30.0040.0306.29
5.0.20.0070.0226.26
5.0.10.0060.0176.23
5.0.00.0040.0356.23
4.4.90.0030.0154.78
4.4.80.0030.0244.75
4.4.70.0040.0154.75
4.4.60.0040.0144.76
4.4.50.0030.0154.77
4.4.40.0050.0244.71
4.4.30.0050.0154.75
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0010.0174.67
4.3.100.0040.0144.67
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0030.0264.54
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0000.0183.21
4.3.00.0230.01316.39

preferences:
76.49 ms | 401 KiB | 5 Q