3v4l.org

run code in 300+ PHP versions simultaneously
<?php $price = 100; echo "${$price}.99";

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)
8.3.60.0120.00318.30
8.3.50.0100.00921.21
8.3.40.0040.01118.58
8.3.30.0050.00820.09
8.3.20.0040.00420.21
8.3.10.0080.00020.93
8.3.00.0070.00022.40
8.2.180.0060.00918.41
8.2.170.0070.00722.96
8.2.160.0100.00722.13
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0100.00020.61
8.2.110.0030.00619.30
8.2.100.0040.00717.91
8.2.90.0040.00419.21
8.2.80.0000.00918.00
8.2.70.0040.00417.63
8.2.60.0000.00918.03
8.2.50.0080.00418.07
8.2.40.0000.00818.15
8.2.30.0040.00419.41
8.2.20.0050.00217.66
8.2.10.0040.00417.73
8.2.00.0030.00617.65
8.1.280.0140.00725.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.41
8.1.230.0070.00320.97
8.1.220.0000.00718.77
8.1.210.0030.00618.97
8.1.200.0050.00517.23
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00418.75
8.1.150.0070.00018.53
8.1.140.0000.00717.44
8.1.130.0070.00017.83
8.1.120.0040.00417.40
8.1.110.0030.00717.48
8.1.100.0050.00217.45
8.1.90.0000.00817.48
8.1.80.0000.00717.46
8.1.70.0000.00717.43
8.1.60.0040.00417.54
8.1.50.0040.00417.51
8.1.40.0060.00317.49
8.1.30.0000.00817.56
8.1.20.0040.00417.65
8.1.10.0000.00817.54
8.1.00.0070.00017.42
8.0.300.0050.00519.86
8.0.290.0070.00016.93
8.0.280.0030.00318.47
8.0.270.0030.00317.16
8.0.260.0060.00016.79
8.0.250.0020.00516.97
8.0.240.0040.00416.90
8.0.230.0030.00317.04
8.0.220.0070.00016.96
8.0.210.0000.00716.96
8.0.200.0000.00717.00
8.0.190.0000.00716.99
8.0.180.0000.01116.99
8.0.170.0030.00316.88
8.0.160.0040.00416.98
8.0.150.0000.00816.89
8.0.140.0000.00716.80
8.0.130.0060.00013.37
8.0.120.0000.00816.86
8.0.110.0000.00716.79
8.0.100.0040.00416.75
8.0.90.0040.00416.77
8.0.80.0070.00717.00
8.0.70.0020.00517.06
8.0.60.0050.00316.77
8.0.50.0050.00217.00
8.0.30.0080.01317.16
8.0.20.0070.01117.40
8.0.10.0000.00717.07
8.0.00.0120.00716.79
7.4.330.0040.00414.95
7.4.320.0040.00416.41
7.4.300.0000.00716.53
7.4.290.0070.00016.65
7.4.280.0030.00316.47
7.4.270.0030.00316.43
7.4.260.0050.00013.22
7.4.250.0030.00516.46
7.4.240.0070.00016.53
7.4.230.0020.00516.35
7.4.220.0110.00716.60
7.4.210.0060.01016.60
7.4.200.0040.00316.70
7.4.190.0000.00716.77
7.4.160.0110.00516.42
7.4.150.0130.00317.40
7.4.140.0060.01317.86
7.4.130.0090.00616.58
7.4.120.0090.00616.57
7.4.110.0030.01416.54
7.4.100.0040.01616.44
7.4.90.0120.00616.48
7.4.80.0140.00419.39
7.4.70.0110.00516.53
7.4.60.0160.00316.58
7.4.50.0000.00516.61
7.4.40.0070.01022.77
7.4.30.0090.00916.73
7.4.00.0110.00414.97
7.3.330.0030.00213.05
7.3.320.0030.00313.06
7.3.310.0030.00316.22
7.3.300.0000.00716.29
7.3.290.0070.00716.30
7.3.280.0080.00916.32
7.3.270.0030.01317.40
7.3.260.0060.01218.24
7.3.250.0090.00916.43
7.3.240.0060.01016.54
7.3.230.0090.00916.39
7.3.210.0140.00316.45
7.3.200.0130.00619.39
7.3.190.0110.00816.28
7.3.180.0070.01016.44
7.3.170.0070.01016.58
7.3.160.0110.01016.63
7.3.120.0060.00915.03
7.2.330.0090.01216.61
7.2.320.0070.01116.57
7.2.310.0070.01016.43
7.2.300.0070.01016.27
7.2.290.0100.00516.80
7.2.00.0160.00818.72
7.1.100.0040.01218.01
7.1.70.0080.00317.11
7.1.60.0070.01819.17
7.1.50.0110.01416.76
7.1.00.0000.04322.32
7.0.200.0130.01014.48
7.0.140.0030.07722.04
7.0.100.0030.05019.91
7.0.90.0030.08719.80
7.0.80.0030.04319.92
7.0.70.0230.05719.91
7.0.60.0100.08019.91
7.0.50.0170.04320.29
7.0.40.0070.08720.10
7.0.30.0100.05020.03
7.0.20.0030.08320.19
7.0.10.0100.07720.09
7.0.00.0100.05020.15
5.6.280.0070.06721.11
5.6.250.0170.07720.71
5.6.240.0100.04020.59
5.6.230.0070.08720.58
5.6.220.0070.07020.67
5.6.210.0170.06720.67
5.6.200.0070.08021.07
5.6.190.0070.08321.04
5.6.180.0100.08321.08
5.6.170.0100.05021.01
5.6.160.0070.06721.01
5.6.150.0130.05321.16
5.6.140.0070.07321.05
5.6.130.0070.06320.98
5.6.120.0130.04321.01
5.6.110.0130.07720.94
5.6.100.0030.05720.93
5.6.90.0100.07321.00
5.6.80.0100.06720.44
5.6.70.0100.06320.42
5.6.60.0130.08320.42
5.6.50.0100.07720.55
5.6.40.0170.07020.39
5.6.30.0100.06720.46
5.6.20.0070.07320.31
5.6.10.0030.08720.39
5.6.00.0130.07320.38
5.5.380.0230.03020.35
5.5.370.0100.07320.39
5.5.360.0170.06320.41
5.5.350.0200.06020.39
5.5.340.0200.06020.77
5.5.330.0030.09020.86
5.5.320.0100.07020.89
5.5.310.0130.04020.91
5.5.300.0100.04320.85
5.5.290.0130.05720.76
5.5.280.0130.04320.82
5.5.270.0100.08320.76
5.5.260.0030.09020.74
5.5.250.0070.06720.57
5.5.240.0070.04320.15
5.5.230.0030.07720.28
5.5.220.0070.07720.20
5.5.210.0030.07720.10
5.5.200.0100.06320.13
5.5.190.0000.06020.09
5.5.180.0130.07320.10
5.5.160.0200.07720.10
5.5.150.0130.07720.22
5.5.140.0170.06720.23
5.5.130.0100.07320.07
5.5.120.0070.04320.07
5.5.110.0230.05720.21
5.5.100.0100.07320.17
5.5.90.0170.06720.13
5.5.80.0070.07720.16
5.5.70.0070.07720.15
5.5.60.0100.07320.11
5.5.50.0100.06020.07
5.5.40.0200.03720.07
5.5.30.0100.07720.12
5.5.20.0200.06720.04
5.5.10.0130.05020.11
5.5.00.0070.04320.02
5.4.450.0170.06019.43
5.4.440.0030.08019.30
5.4.430.0030.04719.22
5.4.420.0030.04319.42
5.4.410.0270.06319.31
5.4.400.0070.07019.12
5.4.390.0070.07018.78
5.4.380.0100.04018.90
5.4.370.0000.08319.05
5.4.360.0130.07318.78
5.4.350.0130.07019.07
5.4.340.0030.08018.81
5.4.320.0000.05319.03
5.4.310.0100.04318.94
5.4.300.0070.07318.96
5.4.290.0100.06719.13
5.4.280.0100.04319.11
5.4.270.0070.06719.09
5.4.260.0070.07319.09
5.4.250.0070.07319.05
5.4.240.0230.07319.22
5.4.230.0130.04019.04
5.4.220.0070.07718.94
5.4.210.0070.08019.11
5.4.200.0100.06719.11
5.4.190.0030.04719.08
5.4.180.0100.06019.08
5.4.170.0030.04718.89
5.4.160.0000.08318.78
5.4.150.0030.07719.01
5.4.140.0130.06316.11
5.4.130.0070.03716.35
5.4.120.0070.07016.26
5.4.110.0130.04016.30
5.4.100.0200.05716.45
5.4.90.0070.07316.41
5.4.80.0070.07716.34
5.4.70.0130.08016.36
5.4.60.0100.07316.19
5.4.50.0000.04016.30
5.4.40.0130.06316.38
5.4.30.0000.04716.32
5.4.20.0100.04016.20
5.4.10.0130.07716.28
5.4.00.0070.06015.71
5.3.290.0070.07714.63
5.3.280.0030.08014.50
5.3.270.0070.07714.54
5.3.260.0130.03714.58
5.3.250.0100.04714.46
5.3.240.0070.07714.59
5.3.230.0100.05714.60
5.3.220.0070.07014.55
5.3.210.0030.06014.54
5.3.200.0070.06714.57
5.3.190.0070.07714.56
5.3.180.0030.05314.50
5.3.170.0070.07714.54
5.3.160.0100.04014.38
5.3.150.0170.07014.50
5.3.140.0070.07014.41
5.3.130.0000.04314.55
5.3.120.0070.07014.36
5.3.110.0070.03714.45
5.3.100.0100.06014.04
5.3.90.0000.05313.98
5.3.80.0100.07313.97
5.3.70.0070.07713.87
5.3.60.0000.08313.99
5.3.50.0070.07713.81
5.3.40.0070.07313.79
5.3.30.0000.07313.84
5.3.20.0030.04313.64
5.3.10.0070.05313.59
5.3.00.0100.05013.58
5.2.170.0030.03711.06
5.2.160.0000.03711.14
5.2.150.0100.06011.20
5.2.140.0030.05711.20
5.2.130.0070.04310.94
5.2.120.0000.07011.09
5.2.110.0030.03310.97
5.2.100.0030.03010.93
5.2.90.0070.04710.89
5.2.80.0070.03011.04
5.2.70.0030.03011.08
5.2.60.0070.03311.07
5.2.50.0000.04010.96
5.2.40.0000.03310.99
5.2.30.0070.02710.81
5.2.20.0070.02310.96
5.2.10.0000.03310.91
5.2.00.0000.03010.80
5.1.60.0000.0279.83
5.1.50.0070.02010.08
5.1.40.0000.02710.00
5.1.30.0070.02310.38
5.1.20.0030.02710.39
5.1.10.0070.02010.06
5.1.00.0000.02710.12
5.0.50.0000.0238.78
5.0.40.0000.0208.78
5.0.30.0000.0278.78
5.0.20.0000.0178.78
5.0.10.0000.0378.78
5.0.00.0030.0678.78
4.4.90.0000.0208.78
4.4.80.0000.0208.78
4.4.70.0070.0108.78
4.4.60.0030.0138.78
4.4.50.0030.0138.78
4.4.40.0000.0278.78
4.4.30.0000.0178.78
4.4.20.0000.0178.78
4.4.10.0000.0178.78
4.4.00.0000.0208.78
4.3.110.0000.0138.78
4.3.100.0030.0108.78
4.3.90.0000.0138.78
4.3.80.0000.0438.78
4.3.70.0000.0178.78
4.3.60.0000.0338.78
4.3.50.0000.0238.78
4.3.40.0000.0438.78
4.3.30.0000.0138.78
4.3.20.0000.0308.78
4.3.10.0000.0278.78
4.3.00.0030.0178.78

preferences:
47.55 ms | 401 KiB | 5 Q