3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(1,2,3); $b=&$a; unset($b); echo $a;

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)
8.3.60.0090.00616.63
8.3.50.0120.00717.20
8.3.40.0120.00618.80
8.3.30.0150.00018.55
8.3.20.0000.00818.46
8.3.10.0080.00018.87
8.3.00.0040.00419.38
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0180.00018.96
8.2.150.0000.00924.18
8.2.140.0040.01124.66
8.2.130.0040.00426.16
8.2.120.0040.00420.73
8.2.110.0100.00021.13
8.2.100.0110.00017.78
8.2.90.0040.00419.70
8.2.80.0060.00320.23
8.2.70.0040.00417.80
8.2.60.0040.00418.16
8.2.50.0060.00318.10
8.2.40.0040.00419.38
8.2.30.0070.00017.69
8.2.20.0070.00417.64
8.2.10.0020.00517.57
8.2.00.0050.00217.67
8.1.280.0040.01425.92
8.1.270.0000.00823.99
8.1.260.0110.00326.35
8.1.250.0000.01028.09
8.1.240.0030.00622.14
8.1.230.0110.00022.67
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.38
8.1.190.0000.00917.23
8.1.180.0000.00918.10
8.1.170.0080.00418.57
8.1.160.0030.00618.55
8.1.150.0060.00318.57
8.1.140.0000.00717.28
8.1.130.0000.00717.82
8.1.120.0070.00017.22
8.1.110.0030.00517.26
8.1.100.0000.00817.42
8.1.90.0000.00717.38
8.1.80.0070.00017.22
8.1.70.0000.00717.26
8.1.60.0060.00617.49
8.1.50.0070.00017.44
8.1.40.0040.00417.32
8.1.30.0030.00617.52
8.1.20.0000.00717.63
8.1.10.0000.00817.48
8.1.00.0070.00017.39
8.0.300.0030.00320.16
8.0.290.0000.00716.75
8.0.280.0030.00318.39
8.0.270.0070.00017.16
8.0.260.0030.00516.86
8.0.250.0030.00616.98
8.0.240.0000.00716.93
8.0.230.0070.00017.00
8.0.220.0000.00716.81
8.0.210.0000.00816.90
8.0.200.0060.00016.91
8.0.190.0040.00416.85
8.0.180.0030.00516.91
8.0.170.0030.00616.73
8.0.160.0050.00216.89
8.0.150.0000.00816.78
8.0.140.0000.00816.84
8.0.130.0000.00513.30
8.0.120.0050.00316.85
8.0.110.0050.00316.76
8.0.100.0040.00416.87
8.0.90.0000.00816.82
8.0.80.0090.00616.84
8.0.70.0050.00216.79
8.0.60.0040.00416.71
8.0.50.0040.00416.82
8.0.30.0100.01016.98
8.0.20.0120.00616.92
8.0.10.0050.00316.93
8.0.00.0120.00716.74
7.4.330.0000.00512.82
7.4.320.0000.00616.36
7.4.300.0000.00616.56
7.4.290.0000.00716.42
7.4.280.0030.00516.44
7.4.270.0030.00316.42
7.4.260.0060.00013.24
7.4.250.0000.00816.52
7.4.240.0000.00716.33
7.4.230.0040.00416.53
7.4.220.0150.00316.56
7.4.210.0140.00716.43
7.4.200.0040.00416.19
7.4.190.0000.00716.41
7.4.160.0080.00816.46
7.4.150.0150.00916.52
7.4.140.0070.01016.59
7.4.130.0040.01316.60
7.4.120.0180.00716.50
7.4.110.0070.01016.42
7.4.100.0130.00616.55
7.4.90.0140.00416.45
7.4.80.0030.01319.39
7.4.70.0120.00316.45
7.4.60.0090.00616.36
7.4.50.0120.00016.37
7.4.40.0030.00916.41
7.4.30.0070.01016.59
7.4.00.0100.00614.65
7.3.330.0000.00513.17
7.3.320.0030.00513.13
7.3.310.0000.00716.34
7.3.300.0070.00016.18
7.3.290.0060.00816.24
7.3.280.0160.00116.24
7.3.270.0100.00716.42
7.3.260.0060.01116.39
7.3.250.0120.00916.40
7.3.240.0090.00616.41
7.3.230.0110.00616.51
7.3.210.0110.00816.30
7.3.200.0070.01316.53
7.3.190.0060.01316.19
7.3.180.0090.00616.29
7.3.170.0070.01116.21
7.3.160.0120.00416.39
7.3.120.0080.00414.65
7.3.10.0110.00515.99
7.3.00.0100.01016.54
7.2.330.0080.00916.58
7.2.320.0080.00816.64
7.2.310.0180.00016.14
7.2.300.0090.00916.57
7.2.290.0050.01116.56
7.2.130.0140.00316.32
7.2.120.0090.00916.45
7.2.110.0080.01016.35
7.2.100.0090.00616.61
7.2.90.0110.00416.40
7.2.80.0040.00716.30
7.2.70.0050.00516.31
7.2.60.0100.00716.93
7.2.50.0100.00616.90
7.2.40.0100.00716.47
7.2.30.0120.00316.45
7.2.20.0060.00316.57
7.2.10.0030.01016.43
7.2.00.0060.00617.96
7.1.250.0170.00415.26
7.1.100.0060.00618.09
7.1.70.0050.00217.22
7.1.60.0100.01319.30
7.1.50.0090.01216.86
7.1.00.0030.03722.45
7.0.200.0070.00716.57
7.0.140.0030.07322.09
7.0.120.0030.05322.00
7.0.60.0170.04719.85
7.0.50.0030.04717.82
7.0.40.0130.06720.21
7.0.30.0270.06320.09
7.0.20.0300.08020.04
7.0.10.0070.04020.00
7.0.00.0030.04720.20
5.6.280.0000.07321.04
5.6.210.0030.08020.54
5.6.200.0100.08018.22
5.6.190.0130.08720.33
5.6.180.0130.07720.33
5.6.170.0170.05020.37
5.6.160.0130.08020.48
5.6.150.0130.03018.15
5.6.140.0200.07018.20
5.6.130.0000.07718.09
5.6.120.0030.04720.96
5.6.110.0000.04320.88
5.6.100.0070.08721.12
5.6.90.0100.08020.98
5.6.80.0070.04020.28
5.5.350.0030.08320.40
5.5.340.0030.06018.02
5.5.330.0030.09020.20
5.5.320.0230.04320.18
5.5.310.0230.06320.21
5.5.300.0170.06317.96
5.5.290.0000.05718.02
5.5.280.0030.08020.72
5.5.270.0030.08320.96
5.5.260.0100.08020.96
5.5.250.0070.08320.57
5.5.240.0100.08020.35
5.4.450.0030.05019.51
5.4.440.0030.07719.32
5.4.430.0100.06719.44
5.4.420.0100.03719.10
5.4.410.0030.08018.99
5.4.400.0100.06719.16
5.4.390.0070.08019.16
5.4.380.0000.05019.08
5.4.370.0070.03318.92
5.4.360.0070.03718.80
5.4.350.0070.07018.81
5.4.340.0070.04319.20
5.4.320.0000.04719.09
5.4.310.0030.06719.17
5.4.300.0070.05319.17
5.4.290.0030.04719.00
5.4.280.0100.06319.08
5.4.270.0030.05319.14
5.4.260.0070.05719.17
5.4.250.0100.06719.15
5.4.240.0070.05019.13
5.4.230.0030.05719.07
5.4.220.0030.04019.15
5.4.210.0000.07019.07
5.4.200.0030.07319.07
5.4.190.0030.07019.08
5.4.180.0070.07319.17
5.4.170.0030.07719.16
5.4.160.0000.05319.15
5.4.150.0070.05719.09
5.4.140.0030.07316.30
5.4.130.0100.06716.20
5.4.120.0070.05716.21
5.4.110.0070.06016.29
5.4.100.0070.04016.30
5.4.90.0130.06316.25
5.4.80.0070.06016.58
5.4.70.0130.06016.22
5.4.60.0100.07016.32
5.4.50.0000.04016.34
5.4.40.0030.07016.26
5.4.30.0100.02716.39
5.4.20.0000.08016.41
5.4.10.0030.05016.36
5.4.00.0170.06015.66
5.3.290.0030.04014.60
5.3.280.0070.07314.48
5.3.270.0000.08014.69
5.3.260.0000.07714.47
5.3.250.0170.06314.58
5.3.240.0000.04314.57
5.3.230.0030.04014.52
5.3.220.0030.05014.58
5.3.210.0130.06014.37
5.3.200.0100.03014.65
5.3.190.0070.05314.54
5.3.180.0030.07714.64
5.3.170.0130.04014.48
5.3.160.0070.07314.51
5.3.150.0070.03714.51
5.3.140.0130.06314.43
5.3.130.0070.07714.56
5.3.120.0030.07314.33
5.3.110.0030.05014.42
5.3.100.0130.06013.86
5.3.90.0170.05713.84
5.3.80.0030.04713.97
5.3.70.0070.04714.10
5.3.60.0000.08013.82
5.3.50.0000.06713.88
5.3.40.0030.04013.87
5.3.30.0030.03713.87
5.3.20.0070.07013.66
5.3.10.0000.07013.59
5.3.00.0130.06313.59
5.2.170.0000.03311.03
5.2.160.0100.02311.00
5.2.150.0070.04011.07
5.2.140.0030.05310.96
5.2.130.0030.04311.25
5.2.120.0030.06011.07
5.2.110.0100.05710.97
5.2.100.0000.06011.04
5.2.90.0130.05711.08
5.2.80.0030.04311.09
5.2.70.0030.03310.98
5.2.60.0000.05711.12
5.2.50.0030.04310.94
5.2.40.0070.03010.92
5.2.30.0000.03310.90
5.2.20.0130.05310.88
5.2.10.0030.05310.91
5.2.00.0030.04710.59
5.1.60.0030.05310.14
5.1.50.0030.03010.01
5.1.40.0000.05710.02
5.1.30.0000.03010.36
5.1.20.0100.05710.35
5.1.10.0100.02710.04
5.1.00.0000.04710.04
5.0.50.0030.0438.61
5.0.40.0000.0208.41
5.0.30.0000.0578.36
5.0.20.0070.0178.23
5.0.10.0070.0438.13
5.0.00.0100.0308.16
4.4.90.0000.0408.02
4.4.80.0030.0208.02
4.4.70.0000.0378.02
4.4.60.0000.0278.02
4.4.50.0030.0208.02
4.4.40.0030.0308.02
4.4.30.0000.0238.02
4.4.20.0030.0278.02
4.4.10.0030.0178.02
4.4.00.0000.0278.02
4.3.110.0000.0208.02
4.3.100.0000.0338.02
4.3.90.0030.0338.02
4.3.80.0030.0238.02
4.3.70.0000.0208.02
4.3.60.0030.0278.02
4.3.50.0000.0208.02
4.3.40.0030.0508.02
4.3.30.0000.0378.02
4.3.20.0030.0238.02
4.3.10.0030.0338.02
4.3.00.0030.0178.02

preferences:
49.29 ms | 401 KiB | 5 Q