3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $q1 = 1; $q2 = 2; $q3 = 3; $q4 = 4; $q5 = 5; echo "${q1}"; //outputs 1 for($i=1; $i<=5; $i++) { echo "${${i}}"; //how to make $i work here? }

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)
8.3.40.0090.00618.76
8.3.30.0030.01518.70
8.3.20.0040.00418.89
8.3.10.0040.00421.23
8.3.00.0000.00721.90
8.2.170.0070.01122.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0140.00026.16
8.2.120.0040.00420.96
8.2.110.0030.00720.53
8.2.100.0090.00317.84
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0000.00817.75
8.2.60.0000.00818.04
8.2.50.0090.00018.07
8.2.40.0000.00818.34
8.2.30.0000.00719.45
8.2.20.0070.00017.81
8.2.10.0060.00317.75
8.2.00.0050.00217.69
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0200.00020.42
8.1.230.0100.00020.89
8.1.220.0000.00818.77
8.1.210.0090.00018.84
8.1.200.0030.00717.35
8.1.190.0040.00417.41
8.1.180.0080.00018.10
8.1.170.0050.00318.54
8.1.160.0000.00818.89
8.1.150.0040.00418.59
8.1.140.0000.00817.50
8.1.130.0030.00317.81
8.1.120.0070.00017.49
8.1.110.0040.00417.28
8.1.100.0040.00417.36
8.1.90.0000.00717.50
8.1.80.0040.00417.37
8.1.70.0030.00517.40
8.1.60.0040.00417.49
8.1.50.0040.00417.40
8.1.40.0000.00717.50
8.1.30.0000.00817.56
8.1.20.0000.00817.56
8.1.10.0040.00417.57
8.1.00.0070.00017.53
8.0.300.0000.00820.07
8.0.290.0000.00717.18
8.0.280.0030.00318.52
8.0.270.0000.00817.29
8.0.260.0070.00016.82
8.0.250.0060.00317.00
8.0.240.0000.01017.00
8.0.230.0000.00716.97
8.0.220.0030.00316.95
8.0.210.0030.00616.81
8.0.200.0060.00017.02
8.0.190.0050.00317.00
8.0.180.0030.00316.86
8.0.170.0000.00717.02
8.0.160.0000.00817.02
8.0.150.0080.00016.88
8.0.140.0000.00716.88
8.0.130.0050.00013.36
8.0.120.0000.00716.88
8.0.110.0040.00416.77
8.0.100.0080.00017.01
8.0.90.0040.00416.99
8.0.80.0060.01016.95
8.0.70.0070.00016.79
8.0.60.0040.00416.97
8.0.50.0040.00416.91
8.0.30.0120.00916.90
8.0.20.0060.01517.40
8.0.10.0040.00417.19
8.0.00.0100.00716.80
7.4.330.0000.00616.84
7.4.320.0000.00616.42
7.4.300.0030.00316.43
7.4.290.0040.00416.60
7.4.280.0030.00816.41
7.4.270.0000.01016.53
7.4.260.0080.00013.19
7.4.250.0050.00316.51
7.4.240.0070.00016.57
7.4.230.0070.00016.63
7.4.220.0100.00616.55
7.4.210.0080.00816.58
7.4.200.0070.00016.33
7.4.190.0070.00016.39
7.4.160.0030.01416.47
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00716.68
7.4.120.0080.00816.55
7.4.110.0130.00916.48
7.4.100.0160.00716.52
7.4.90.0030.01616.52
7.4.80.0100.00719.39
7.4.70.0100.01016.65
7.4.60.0100.00716.48
7.4.50.0040.00416.60
7.4.40.0070.00722.77
7.4.30.0110.00616.44
7.4.00.0000.01515.07
7.3.330.0050.00013.24
7.3.320.0000.00513.25
7.3.310.0040.00416.18
7.3.300.0070.00016.32
7.3.290.0100.01016.36
7.3.280.0120.00516.34
7.3.270.0140.01017.40
7.3.260.0080.00918.24
7.3.250.0130.00516.32
7.3.240.0100.00716.44
7.3.230.0040.01216.58
7.3.210.0080.01016.38
7.3.200.0100.00719.39
7.3.190.0150.00616.54
7.3.180.0070.01116.54
7.3.170.0060.01516.41
7.3.160.0090.00916.50
7.3.120.0060.00914.71
7.2.330.0120.01216.55
7.2.320.0120.01116.69
7.2.310.0090.01316.66
7.2.300.0090.00816.50
7.2.290.0040.01216.69
7.2.60.0060.01016.87
7.2.00.0030.00919.41
7.1.200.0040.00815.95
7.1.100.0070.00718.12
7.1.70.0000.00817.19
7.1.60.0060.00919.40
7.1.50.0100.01416.85
7.1.00.0000.05022.54
7.0.200.0040.00416.82
7.0.140.0030.07722.18
7.0.70.0100.03321.72
7.0.60.0030.04021.86
7.0.50.0030.04022.15
7.0.40.0030.05320.04
7.0.30.0030.04020.04
7.0.20.0070.07320.05
7.0.10.0000.08720.00
7.0.00.0000.05019.98
5.6.280.0030.07320.88
5.6.220.0030.04020.64
5.6.210.0070.04020.42
5.6.200.0030.04021.04
5.6.190.0000.08021.06
5.6.180.0030.06721.01
5.6.170.0000.04721.06
5.6.160.0030.08720.94
5.6.150.0070.05321.02
5.6.140.0030.04321.10
5.6.130.0030.04021.16
5.6.120.0030.04021.16
5.6.110.0030.04321.09
5.6.100.0000.06721.07
5.6.90.0070.04021.05
5.6.80.0100.03720.44
5.6.70.0000.04720.37
5.6.60.0000.04020.47
5.6.50.0030.03720.44
5.6.40.0030.04020.46
5.6.30.0030.04020.39
5.6.20.0000.03320.38
5.6.10.0000.03320.45
5.6.00.0070.03320.45
5.5.360.0030.04020.39
5.5.350.0000.05020.47
5.5.340.0030.04020.79
5.5.330.0000.04320.81
5.5.320.0000.04720.80
5.5.310.0070.06720.80
5.5.300.0000.06720.86
5.5.290.0030.04320.82
5.5.280.0030.04020.71
5.5.270.0030.07720.73
5.5.260.0000.06020.90
5.5.250.0000.04320.71
5.5.240.0000.04020.21
5.5.230.0030.03720.26
5.5.220.0000.06320.30
5.5.210.0000.04020.09
5.5.200.0030.03720.10
5.5.190.0000.03320.13
5.5.180.0000.04020.21
5.5.160.0000.04020.13
5.5.150.0000.04020.04
5.5.140.0000.04019.98
5.5.130.0070.03320.22
5.5.120.0030.03720.17
5.5.110.0030.03720.09
5.5.100.0000.03320.11
5.5.90.0000.03320.09
5.5.80.0030.04020.04
5.5.70.0030.05720.05
5.5.60.0030.04020.12
5.5.50.0030.07720.09
5.5.40.0070.05020.03
5.5.30.0070.06320.09
5.5.20.0000.08320.13
5.5.10.0100.03020.00
5.5.00.0030.06020.02
5.4.450.0000.04319.36
5.4.440.0000.04019.12
5.4.430.0100.03319.23
5.4.420.0100.04019.44
5.4.410.0070.03319.23
5.4.400.0030.03319.10
5.4.390.0000.05318.81
5.4.380.0100.04719.07
5.4.370.0030.03319.09
5.4.360.0070.03319.23
5.4.350.0000.03319.05
5.4.340.0030.03019.04
5.4.320.0070.02719.23
5.4.310.0030.03718.95
5.4.300.0000.03718.81
5.4.290.0070.03019.02
5.4.280.0000.03318.97
5.4.270.0070.03019.06
5.4.260.0000.03019.03
5.4.250.0000.06019.11
5.4.240.0000.03019.09
5.4.230.0000.03019.08
5.4.220.0100.07018.78
5.4.210.0030.07019.05
5.4.200.0000.04318.94
5.4.190.0030.07319.03
5.4.180.0070.05018.77
5.4.170.0030.07319.11
5.4.160.0030.07719.03
5.4.150.0070.04018.79
5.4.140.0070.07016.36
5.4.130.0000.07016.36
5.4.120.0030.07716.32
5.4.110.0030.03716.21
5.4.100.0000.07316.39
5.4.90.0070.07016.30
5.4.80.0030.07316.36
5.4.70.0030.06016.42
5.4.60.0030.07716.41
5.4.50.0030.05316.28
5.4.40.0030.07716.34
5.4.30.0030.07716.18
5.4.20.0000.04716.41
5.4.10.0030.07016.41
5.4.00.0000.05315.71
5.3.290.0000.04014.66
5.3.280.0030.05714.43
5.3.270.0130.06714.54
5.3.260.0100.07014.54
5.3.250.0030.07014.44
5.3.240.0000.07714.57
5.3.230.0070.07314.45
5.3.220.0030.05314.56
5.3.210.0030.06714.47
5.3.200.0000.04014.47
5.3.190.0030.08014.38
5.3.180.0070.06714.57
5.3.170.0030.07314.55
5.3.160.0070.07314.55
5.3.150.0030.07714.57
5.3.140.0030.05714.51
5.3.130.0070.04714.54
5.3.120.0030.08014.38
5.3.110.0000.04314.54
5.3.100.0000.05713.89
5.3.90.0030.07013.98
5.3.80.0030.07013.99
5.3.70.0000.07713.87
5.3.60.0030.07313.77
5.3.50.0000.07013.93
5.3.40.0100.05013.95
5.3.30.0130.06713.77
5.3.20.0030.05013.64
5.3.10.0100.05313.61
5.3.00.0000.07313.63
5.2.170.0030.06312.33
5.2.160.0070.05712.33
5.2.150.0000.06712.33
5.2.140.0000.05012.33
5.2.130.0030.06312.33
5.2.120.0000.05312.33
5.2.110.0030.05712.33
5.2.100.0000.04712.33
5.2.90.0030.06312.33
5.2.80.0070.06012.33
5.2.70.0000.06712.33
5.2.60.0000.03712.33
5.2.50.0030.06012.33
5.2.40.0000.04312.33
5.2.30.0030.02712.33
5.2.20.0030.06312.33
5.2.10.0000.03312.33
5.2.00.0070.02312.33
5.1.60.0000.05312.33
5.1.50.0030.05012.33
5.1.40.0070.04012.33
5.1.30.0100.05012.33
5.1.20.0030.04312.33
5.1.10.0000.05312.33
5.1.00.0030.03712.33
5.0.50.0000.02712.33
5.0.40.0030.03312.33
5.0.30.0000.05312.33
5.0.20.0070.04012.33
5.0.10.0000.04712.33
5.0.00.0000.05012.33
4.4.90.0030.02312.33
4.4.80.0000.03312.33
4.4.70.0000.02312.33
4.4.60.0000.02312.33
4.4.50.0000.03712.33
4.4.40.0030.05012.33
4.4.30.0000.03712.33
4.4.20.0000.03312.33
4.4.10.0000.02312.33
4.4.00.0000.03012.33
4.3.110.0000.03712.33
4.3.100.0070.02312.33
4.3.90.0070.02712.33
4.3.80.0070.03312.33
4.3.70.0000.03712.33
4.3.60.0000.03712.33
4.3.50.0030.02312.33
4.3.40.0000.03012.33
4.3.30.0030.03312.33
4.3.20.0030.03012.33
4.3.10.0000.04012.33
4.3.00.0070.02712.33

preferences:
48.04 ms | 400 KiB | 5 Q