3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a =& $x->foo; $a = 1; var_dump($x);

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)
8.3.40.0120.00618.97
8.3.30.0070.00720.17
8.3.20.0080.00020.53
8.3.10.0030.00620.71
8.3.00.0080.00023.50
8.2.170.0060.00922.96
8.2.160.0040.01120.33
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0040.00419.65
8.2.110.0060.00320.52
8.2.100.0110.00017.78
8.2.90.0040.00419.04
8.2.80.0040.00419.40
8.2.70.0060.00317.62
8.2.60.0000.00718.04
8.2.50.0030.00618.07
8.2.40.0030.00518.09
8.2.30.0020.00519.47
8.2.20.0050.00317.53
8.2.10.0070.00017.71
8.2.00.0080.00017.68
8.1.270.0030.00523.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00322.60
8.1.230.0110.00022.68
8.1.220.0040.00418.77
8.1.210.0030.00718.77
8.1.200.0040.00417.23
8.1.190.0080.00017.40
8.1.180.0030.00618.10
8.1.170.0050.00318.59
8.1.160.0000.00718.63
8.1.150.0030.00618.45
8.1.140.0000.00717.26
8.1.130.0000.01017.75
8.1.120.0000.00817.29
8.1.110.0040.00417.22
8.1.100.0030.00617.21
8.1.90.0040.00417.29
8.1.80.0020.00517.37
8.1.70.0040.00417.31
8.1.60.0080.00017.36
8.1.50.0080.00017.29
8.1.40.0060.00317.48
8.1.30.0040.00417.57
8.1.20.0000.00817.54
8.1.10.0000.00717.45
8.1.00.0080.00017.31
8.0.300.0030.00619.91
8.0.290.0000.00717.04
8.0.280.0030.00318.38
8.0.270.0030.00317.13
8.0.260.0080.00016.73
8.0.250.0040.00416.97
8.0.240.0030.00516.94
8.0.230.0040.00416.97
8.0.220.0030.00316.93
8.0.210.0000.00816.88
8.0.200.0000.00616.90
8.0.190.0000.00716.90
8.0.180.0040.00416.91
8.0.170.0000.00816.80
8.0.160.0060.00316.93
8.0.150.0070.00016.84
8.0.140.0030.00316.75
8.0.130.0000.00513.35
8.0.120.0070.00016.80
8.0.110.0050.00216.77
8.0.100.0000.00816.70
8.0.90.0070.00016.68
8.0.80.0040.01116.77
8.0.70.0030.00316.88
8.0.60.0050.00216.73
8.0.50.0040.00416.91
8.0.30.0070.01017.13
8.0.20.0180.01617.40
8.0.10.0070.00016.97
8.0.00.0130.00716.56
7.4.330.0000.00515.06
7.4.320.0030.00316.52
7.4.300.0030.00316.52
7.4.290.0080.00016.52
7.4.280.0060.00316.33
7.4.270.0000.00716.48
7.4.260.0030.00313.22
7.4.250.0000.00816.50
7.4.240.0000.00816.43
7.4.230.0000.00716.28
7.4.220.0070.01016.48
7.4.210.0060.00916.50
7.4.200.0030.00316.53
7.4.190.0040.00316.68
7.4.160.0090.00616.37
7.4.150.0150.00917.40
7.4.140.0120.00817.86
7.4.130.0100.01016.48
7.4.120.0060.01016.52
7.4.110.0130.01016.44
7.4.100.0130.00516.36
7.4.90.0160.00616.52
7.4.80.0120.01219.39
7.4.70.0120.00616.45
7.4.60.0040.01616.50
7.4.50.0030.00616.08
7.4.40.0070.00422.77
7.4.30.0110.01116.43
7.4.00.0050.01114.99
7.3.330.0050.00013.10
7.3.320.0000.00513.05
7.3.310.0000.00716.05
7.3.300.0000.00716.18
7.3.290.0090.00616.19
7.3.280.0110.00616.13
7.3.270.0090.00917.40
7.3.260.0140.01018.24
7.3.250.0070.01416.30
7.3.240.0060.01016.19
7.3.230.0090.00616.39
7.3.210.0080.00816.36
7.3.200.0150.00519.39
7.3.190.0030.01716.52
7.3.180.0030.01316.16
7.3.170.0120.00616.27
7.3.160.0060.00916.42
7.3.120.0080.01014.77
7.3.110.0070.01014.92
7.3.100.0110.00314.73
7.3.90.0100.00314.80
7.3.80.0090.00014.67
7.3.70.0000.01514.74
7.3.60.0070.00714.85
7.3.50.0100.00014.72
7.3.40.0100.00314.66
7.3.30.0090.00014.80
7.3.20.0060.00616.67
7.3.10.0060.00616.65
7.3.00.0030.00916.67
7.2.330.0040.01316.30
7.2.320.0030.01616.38
7.2.310.0130.00316.57
7.2.300.0060.01016.40
7.2.290.0140.00916.36
7.2.250.0060.00914.74
7.2.240.0170.00315.02
7.2.230.0040.01114.83
7.2.220.0040.01114.91
7.2.210.0060.00814.63
7.2.200.0070.01014.77
7.2.190.0070.00714.93
7.2.180.0050.00515.06
7.2.170.0060.01015.00
7.2.00.0050.00819.37
7.1.330.0100.00615.55
7.1.320.0040.01115.83
7.1.310.0080.00415.82
7.1.300.0070.00315.70
7.1.290.0070.01115.73
7.1.280.0080.00815.65
7.1.270.0030.00615.73
7.1.260.0060.00615.93
7.1.100.0070.01017.94
7.1.70.0030.00816.47
7.1.60.0000.01217.17
7.1.50.0070.00416.58
7.1.00.0000.06722.36
7.0.200.0030.01016.69
7.0.140.0030.07322.01
7.0.110.0100.03720.06
7.0.100.0070.04719.97
7.0.90.0030.04320.06
7.0.80.0170.05319.92
7.0.70.0100.08019.89
7.0.60.0070.06720.00
7.0.50.0030.04019.98
7.0.40.0000.04319.70
7.0.30.0070.08019.75
7.0.20.0070.03019.65
7.0.10.0100.07019.75
7.0.00.0070.08019.75
5.6.280.0000.07721.06
5.6.260.0070.03720.68
5.6.250.0030.04020.72
5.6.240.0100.07320.69
5.6.230.0100.07720.71
5.6.220.0070.07320.67
5.6.210.0100.06320.63
5.6.200.0000.09020.63
5.6.190.0030.04320.62
5.6.180.0100.05720.61
5.6.170.0000.04020.65
5.6.160.0000.08320.65
5.6.150.0100.07720.55
5.6.140.0100.07320.61
5.6.130.0030.08020.63
5.6.120.0030.08320.63
5.6.110.0030.07020.70
5.6.100.0070.08320.64
5.6.90.0030.04720.83
5.6.80.0030.07720.04
5.6.70.0030.07319.94
5.6.60.0030.03719.98
5.6.50.0100.03020.07
5.6.40.0100.06019.91
5.6.30.0030.04320.05
5.6.20.0130.07020.00
5.6.10.0030.04319.98
5.6.00.0130.07019.82
5.5.380.0100.07317.53
5.5.370.0030.05317.52
5.5.360.0070.04317.57
5.5.350.0200.05317.60
5.5.340.0030.06318.12
5.5.330.0070.03718.02
5.5.320.0030.06018.13
5.5.310.0030.07717.86
5.5.300.0100.07017.88
5.5.290.0100.06718.02
5.5.280.0100.07317.99
5.5.270.0070.04018.16
5.5.260.0030.07318.00
5.5.250.0000.07717.90
5.5.240.0030.04717.52
5.5.230.0030.07717.24
5.5.220.0070.06317.14
5.5.210.0100.03317.40
5.5.200.0070.03317.19
5.5.190.0030.03717.48
5.5.180.0100.07717.51
5.5.160.0030.05717.14
5.5.150.0130.07017.19
5.5.140.0070.08017.37
5.5.130.0070.04017.44
5.5.120.0070.07317.50
5.5.110.0070.07317.21
5.5.100.0070.04317.02
5.5.90.0030.06017.14
5.5.80.0100.06317.07
5.5.70.0100.07717.25
5.5.60.0030.03717.39
5.5.50.0100.07317.11
5.5.40.0270.05717.26
5.5.30.0070.06017.09
5.5.20.0000.04017.39
5.5.10.0130.04317.00
5.5.00.0030.07717.26
5.4.450.0070.08019.34
5.4.440.0030.08019.27
5.4.430.0130.03019.43
5.4.420.0070.07719.22
5.4.410.0030.03719.31
5.4.400.0100.05018.91
5.4.390.0030.07719.11
5.4.380.0030.07018.98
5.4.370.0000.06318.95
5.4.360.0070.08018.99
5.4.350.0070.06719.01
5.4.340.0070.07718.95
5.4.320.0000.04319.19
5.4.310.0070.05018.98
5.4.300.0100.07018.95
5.4.290.0170.06318.93
5.4.280.0070.05318.95
5.4.270.0130.07319.00
5.4.260.0130.06719.27
5.4.250.0070.07319.16
5.4.240.0100.05718.94
5.4.230.0070.04319.25
5.4.220.0100.04319.26
5.4.210.0070.08019.24
5.4.200.0130.06719.11
5.4.190.0100.03319.10
5.4.180.0130.07019.01
5.4.170.0100.06019.01
5.4.160.0000.08018.95
5.4.150.0030.08018.98
5.4.140.0030.06016.45
5.4.130.0030.04316.52
5.4.120.0100.05716.22
5.4.110.0130.03716.53
5.4.100.0030.04716.48
5.4.90.0200.05716.44
5.4.80.0070.04016.51
5.4.70.0100.07016.51
5.4.60.0100.04016.46
5.4.50.0070.04016.34
5.4.40.0100.06316.40
5.4.30.0100.06016.38
5.4.20.0170.06316.37
5.4.10.0030.04716.15
5.4.00.0130.07015.91
5.3.290.0000.07014.59
5.3.280.0100.06314.51
5.3.270.0070.07714.56
5.3.260.0070.07714.70
5.3.250.0070.06714.45
5.3.240.0100.07714.43
5.3.230.0100.05314.46
5.3.220.0100.06314.57
5.3.210.0030.08014.41
5.3.200.0100.07014.35
5.3.190.0130.06714.57
5.3.180.0130.07014.55
5.3.170.0030.05314.66
5.3.160.0070.04314.63
5.3.150.0130.07014.50
5.3.140.0130.03314.44
5.3.130.0070.08314.46
5.3.120.0170.06314.60
5.3.110.0130.06714.47
5.3.100.0130.06713.90
5.3.90.0030.07013.89
5.3.80.0070.07013.86
5.3.70.0030.06313.90
5.3.60.0100.04014.02
5.3.50.0170.05313.78
5.3.40.0130.07014.00
5.3.30.0000.04714.00
5.3.20.0000.04713.78
5.3.10.0030.04013.48
5.3.00.0070.06713.64
5.2.170.0030.06711.92
5.2.160.0170.05311.92
5.2.150.0070.03011.92
5.2.140.0000.03711.92
5.2.130.0000.06311.92
5.2.120.0030.05011.92
5.2.110.0030.06011.92
5.2.100.0030.04011.92
5.2.90.0070.04311.92
5.2.80.0070.04011.92
5.2.70.0070.07311.92
5.2.60.0030.03711.92
5.2.50.0000.03711.92
5.2.40.0100.05311.92
5.2.30.0000.06011.92
5.2.20.0030.06011.92
5.2.10.0070.03011.92
5.2.00.0070.05711.92
5.1.60.0030.02711.92
5.1.50.0030.02711.92
5.1.40.0000.04311.92
5.1.30.0100.04711.92
5.1.20.0030.04711.92
5.1.10.0030.06011.92
5.1.00.0070.03711.92
5.0.50.0030.02711.92
5.0.40.0000.04711.92
5.0.30.0070.05711.92
5.0.20.0000.03011.92
5.0.10.0070.05311.92
5.0.00.0130.03311.92
4.4.90.0030.02311.92
4.4.80.0030.02711.92
4.4.70.0030.01711.92
4.4.60.0000.02311.92
4.4.50.0000.03711.92
4.4.40.0030.03311.92
4.4.30.0000.01711.92
4.4.20.0000.02311.92
4.4.10.0100.02311.92
4.4.00.0000.04011.92
4.3.110.0000.02711.92
4.3.100.0000.03711.92
4.3.90.0000.03311.92
4.3.80.0070.04311.92
4.3.70.0030.03311.92
4.3.60.0070.03011.92
4.3.50.0070.02011.92
4.3.40.0030.03711.92
4.3.30.0000.02011.92
4.3.20.0000.03711.92
4.3.10.0000.02011.92
4.3.00.0000.04311.92

preferences:
40.69 ms | 400 KiB | 5 Q