3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { class X {} } namespace B { use A\X as Y; class Z extends Y {} } namespace { new \B\Z(); echo "true"; }

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)
8.3.70.0070.00716.58
8.3.60.0110.00718.15
8.3.50.0090.01322.05
8.3.40.0140.00018.71
8.3.30.0030.01018.54
8.3.20.0040.00418.51
8.3.10.0040.00421.10
8.3.00.0080.00023.45
8.2.180.0120.00916.63
8.2.170.0140.00322.96
8.2.160.0110.00820.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0030.00617.80
8.2.110.0070.00322.15
8.2.100.0090.00317.78
8.2.90.0050.00319.09
8.2.80.0050.00317.97
8.2.70.0080.00017.38
8.2.60.0000.00817.80
8.2.50.0030.00718.07
8.2.40.0000.00817.84
8.2.30.0040.00419.71
8.2.20.0050.00217.57
8.2.10.0000.00817.59
8.2.00.0080.00017.53
8.1.280.0120.00325.92
8.1.270.0070.00023.99
8.1.260.0100.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.30
8.1.230.0040.00820.99
8.1.220.0000.00818.77
8.1.210.0080.00018.82
8.1.200.0060.00317.23
8.1.190.0080.00017.41
8.1.180.0030.00518.10
8.1.170.0030.00518.66
8.1.160.0040.00418.77
8.1.150.0050.00318.56
8.1.140.0000.00717.25
8.1.130.0000.00617.63
8.1.120.0040.00417.33
8.1.110.0000.00817.30
8.1.100.0000.00717.22
8.1.90.0050.00217.24
8.1.80.0030.00317.32
8.1.70.0040.00417.33
8.1.60.0000.00817.30
8.1.50.0050.00217.33
8.1.40.0000.00717.38
8.1.30.0040.00417.41
8.1.20.0030.00517.49
8.1.10.0000.00817.39
8.1.00.0000.00717.28
8.0.300.0000.00719.98
8.0.290.0040.00417.16
8.0.280.0070.00018.43
8.0.270.0020.00517.20
8.0.260.0060.00016.72
8.0.250.0040.00416.91
8.0.240.0050.00516.89
8.0.230.0040.00416.87
8.0.220.0000.00716.65
8.0.210.0030.00616.73
8.0.200.0000.00716.83
8.0.190.0040.00416.82
8.0.180.0070.00316.73
8.0.170.0070.00016.84
8.0.160.0000.00716.79
8.0.150.0030.00616.62
8.0.140.0020.00516.71
8.0.130.0000.00613.20
8.0.120.0070.00016.76
8.0.110.0040.00416.87
8.0.100.0030.00316.63
8.0.90.0080.00016.58
8.0.80.0110.00416.71
8.0.70.0000.00716.86
8.0.60.0040.00416.57
8.0.50.0000.00716.66
8.0.30.0090.00917.09
8.0.20.0120.00617.40
8.0.10.0000.00716.83
8.0.00.0130.00816.71
7.4.330.0050.00014.53
7.4.320.0000.00616.39
7.4.300.0030.00316.23
7.4.290.0000.00816.48
7.4.280.0000.00716.45
7.4.270.0000.00716.37
7.4.260.0050.00013.12
7.4.250.0000.00816.37
7.4.240.0040.00416.29
7.4.230.0030.00316.36
7.4.220.0070.01116.45
7.4.210.0070.00716.38
7.4.200.0030.00316.39
7.4.190.0080.00016.41
7.4.160.0090.00916.21
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0050.01416.36
7.4.120.0090.00816.45
7.4.110.0150.00416.50
7.4.100.0130.00616.31
7.4.90.0200.00316.37
7.4.80.0100.00719.37
7.4.70.0130.00316.46
7.4.60.0120.00416.29
7.4.50.0030.00616.38
7.4.40.0030.01522.52
7.4.30.0030.01316.23
7.4.00.0030.01014.72
7.3.330.0000.00512.98
7.3.320.0040.00313.16
7.3.310.0040.00415.98
7.3.300.0040.00416.04
7.3.290.0070.00716.09
7.3.280.0080.00816.13
7.3.270.0100.00717.40
7.3.260.0150.00318.24
7.3.250.0090.00816.25
7.3.240.0130.00316.59
7.3.230.0080.00816.46
7.3.210.0090.00816.43
7.3.200.0070.01019.39
7.3.190.0100.00716.50
7.3.180.0030.01716.37
7.3.170.0100.00516.34
7.3.160.0070.01016.21
7.3.120.0090.00614.64
7.2.330.0070.01116.41
7.2.320.0120.00616.57
7.2.310.0040.01516.36
7.2.300.0040.01216.45
7.2.290.0060.01016.39
7.2.00.0000.01419.35
7.1.100.0040.00818.09
7.1.70.0000.00917.10
7.1.60.0100.01619.40
7.1.50.0070.01716.83
7.1.00.0000.03722.33
7.0.200.0040.00416.57
7.0.140.0030.07721.97
7.0.100.0100.05319.81
7.0.90.0070.07719.91
7.0.80.0130.08319.79
7.0.70.0030.08019.87
7.0.60.0000.05719.82
7.0.50.0130.07720.32
7.0.40.0000.05319.98
7.0.30.0170.06720.03
7.0.20.0100.08020.06
7.0.10.0170.06719.98
7.0.00.0070.07319.89
5.6.280.0000.07321.09
5.6.250.0070.09320.61
5.6.240.0130.07720.55
5.6.230.0100.07720.62
5.6.220.0000.05720.57
5.6.210.0070.08320.52
5.6.200.0100.08321.00
5.6.190.0070.07721.06
5.6.180.0070.08321.06
5.6.170.0000.09020.97
5.6.160.0070.06321.05
5.6.150.0070.08321.05
5.6.140.0170.07020.99
5.6.130.0100.08720.86
5.6.120.0070.05320.88
5.6.110.0130.04321.02
5.6.100.0030.07720.89
5.6.90.0130.06720.94
5.6.80.0100.05720.50
5.6.70.0100.07320.31
5.6.60.0070.07720.45
5.6.50.0030.07720.29
5.6.40.0030.08320.39
5.6.30.0070.05020.39
5.6.20.0070.07720.32
5.6.10.0170.06320.33
5.6.00.0200.06720.31
5.5.380.0030.05320.34
5.5.370.0070.04320.29
5.5.360.0130.07720.33
5.5.350.0100.07020.37
5.5.340.0070.07320.82
5.5.330.0070.07320.84
5.5.320.0070.07720.73
5.5.310.0100.08320.85
5.5.300.0070.04720.71
5.5.290.0130.08320.84
5.5.280.0100.04020.80
5.5.270.0170.05320.67
5.5.260.0030.08720.80
5.5.250.0100.05020.62
5.5.240.0130.06020.14
5.5.230.0070.04320.23
5.5.220.0070.07020.18
5.5.210.0130.07320.12
5.5.200.0070.06320.16
5.5.190.0000.05020.21
5.5.180.0100.07320.20
5.5.160.0070.08320.19
5.5.150.0130.05020.21
5.5.140.0170.07319.93
5.5.130.0070.04720.16
5.5.120.0100.07720.21
5.5.110.0130.07720.16
5.5.100.0030.08320.05
5.5.90.0000.06720.10
5.5.80.0030.04720.01
5.5.70.0030.04720.09
5.5.60.0030.04720.06
5.5.50.0070.03720.01
5.5.40.0130.04719.86
5.5.30.0130.04019.99
5.5.20.0000.05020.04
5.5.10.0030.05319.92
5.5.00.0030.05719.90
5.4.450.0030.08319.49
5.4.440.0100.06319.27
5.4.430.0130.04719.38
5.4.420.0070.08319.40
5.4.410.0170.04719.38
5.4.400.0100.04019.13
5.4.390.0030.04718.88
5.4.380.0030.06719.18
5.4.370.0070.06019.09
5.4.360.0070.05719.16
5.4.350.0100.03719.09
5.4.340.0030.07718.88
5.4.320.0100.04019.21
5.4.310.0130.07018.89
5.4.300.0130.07018.94
5.4.290.0100.07019.13
5.4.280.0130.05019.04
5.4.270.0130.06019.04
5.4.260.0000.08319.12
5.4.250.0070.04318.85
5.4.240.0070.07719.13
5.4.230.0070.07718.89
5.4.220.0070.04018.85
5.4.210.0030.05719.23
5.4.200.0030.07719.02
5.4.190.0030.06318.84
5.4.180.0070.08019.11
5.4.170.0070.07719.11
5.4.160.0030.07019.18
5.4.150.0100.06719.10
5.4.140.0000.06716.40
5.4.130.0070.07316.41
5.4.120.0100.07016.41
5.4.110.0070.07316.39
5.4.100.0030.06716.41
5.4.90.0070.06316.56
5.4.80.0070.06716.54
5.4.70.0070.05316.39
5.4.60.0100.07316.45
5.4.50.0100.06716.47
5.4.40.0100.06716.51
5.4.30.0000.08016.45
5.4.20.0000.08016.44
5.4.10.0030.05016.36
5.4.00.0070.06715.80
5.3.290.0100.06714.64
5.3.280.0070.07314.55
5.3.270.0000.05014.68
5.3.260.0100.07314.66
5.3.250.0130.06314.52
5.3.240.0030.08714.57
5.3.230.0070.07714.73
5.3.220.0100.04314.66
5.3.210.0130.06014.59
5.3.200.0100.03714.56
5.3.190.0130.07014.69
5.3.180.0230.05014.69
5.3.170.0100.06714.52
5.3.160.0130.07014.55
5.3.150.0100.07714.64
5.3.140.0030.07714.52
5.3.130.0100.04314.58
5.3.120.0170.08014.54
5.3.110.0030.07714.63
5.3.100.0130.07014.12
5.3.90.0070.07714.04
5.3.80.0030.07014.07
5.3.70.0100.07014.00
5.3.60.0030.07313.93
5.3.50.0100.05313.97
5.3.40.0100.04714.06
5.3.30.0170.04313.96
5.3.20.0100.06713.59
5.3.10.0070.06313.71
5.3.00.0030.05013.67
5.2.170.0070.03310.98
5.2.160.0100.05711.14
5.2.150.0030.04010.98
5.2.140.0030.06311.09
5.2.130.0000.06011.14
5.2.120.0070.03011.17
5.2.110.0070.06011.09
5.2.100.0030.07011.08
5.2.90.0030.05310.95
5.2.80.0070.06010.93
5.2.70.0030.06711.04
5.2.60.0030.05711.04
5.2.50.0030.03710.83
5.2.40.0000.06010.97
5.2.30.0030.03311.04
5.2.20.0000.03310.88
5.2.10.0030.06010.78
5.2.00.0030.05310.64
5.1.60.0130.0409.98
5.1.50.0070.04010.02
5.1.40.0070.03310.02
5.1.30.0030.04310.36
5.1.20.0100.04710.26
5.1.10.0100.05310.09
5.1.00.0070.0509.95
5.0.50.0030.0478.50
5.0.40.0070.0208.28
5.0.30.0030.0638.10
5.0.20.0000.0478.04
5.0.10.0070.0208.27
5.0.00.0070.0608.25
4.4.90.0030.0337.53
4.4.80.0000.0307.53
4.4.70.0000.0307.53
4.4.60.0070.0207.53
4.4.50.0030.0377.53
4.4.40.0070.0377.53
4.4.30.0000.0237.53
4.4.20.0000.0337.53
4.4.10.0030.0377.53
4.4.00.0000.0537.53
4.3.110.0030.0177.53
4.3.100.0070.0207.53
4.3.90.0030.0337.53
4.3.80.0030.0407.53
4.3.70.0030.0307.53
4.3.60.0000.0377.53
4.3.50.0030.0307.53
4.3.40.0100.0407.53
4.3.30.0000.0277.53
4.3.20.0030.0337.53
4.3.10.0000.0307.53
4.3.00.0000.0377.53

preferences:
48.42 ms | 401 KiB | 5 Q