3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function fn(A $obj=null) { var_dump($obj); } } $a = new A; $a->fn($a); $a->fn(null);

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)
8.3.110.0140.00716.73
8.3.100.0000.01118.30
8.3.90.0040.00426.77
8.3.80.0080.00318.15
8.3.70.0140.00416.50
8.3.60.0140.00718.43
8.3.50.0120.00621.86
8.3.40.0090.00918.59
8.3.30.0140.00318.82
8.3.20.0070.00020.20
8.3.10.0040.00421.82
8.3.00.0000.00822.52
8.2.230.0050.00320.94
8.2.220.0040.00437.54
8.2.210.0180.00026.77
8.2.200.0040.00816.50
8.2.190.0140.00016.58
8.2.180.0110.00416.38
8.2.170.0130.00322.96
8.2.160.0030.01422.28
8.2.150.0040.00425.66
8.2.140.0110.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.24
8.2.110.0070.00321.18
8.2.100.0090.00317.66
8.2.90.0050.00319.23
8.2.80.0050.00517.97
8.2.70.0030.00617.38
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0030.00518.05
8.2.30.0060.00317.91
8.2.20.0040.00417.58
8.2.10.0040.00417.87
8.2.00.0000.00818.00
8.1.290.0100.01018.88
8.1.280.0110.00425.92
8.1.270.0040.00420.38
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00321.36
8.1.230.0090.00317.70
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0000.00917.22
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0080.00018.59
8.1.160.0070.00018.82
8.1.150.0050.00218.88
8.1.140.0040.00417.27
8.1.130.0030.00317.68
8.1.120.0050.00217.32
8.1.110.0030.00617.42
8.1.100.0040.00417.38
8.1.90.0040.00417.34
8.1.80.0000.00717.29
8.1.70.0070.00017.36
8.1.60.0000.00817.54
8.1.50.0000.00817.41
8.1.40.0040.00417.53
8.1.30.0000.00917.59
8.1.20.0080.00017.59
8.1.10.0040.00417.44
8.1.00.0000.00817.39
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.29
8.0.270.0000.00817.14
8.0.260.0060.00017.19
8.0.250.0070.00016.79
8.0.240.0060.00016.95
8.0.230.0030.00316.91
8.0.220.0040.00416.79
8.0.210.0040.00416.83
8.0.200.0030.00316.89
8.0.190.0080.00016.87
8.0.180.0030.00716.83
8.0.170.0040.00416.84
8.0.160.0000.00816.67
8.0.150.0040.00416.71
8.0.140.0030.00516.81
8.0.130.0000.00513.21
8.0.120.0040.00416.74
8.0.110.0000.00716.73
8.0.100.0000.00716.83
8.0.90.0030.00316.69
8.0.80.0060.00916.76
8.0.70.0030.00316.65
8.0.60.0000.00716.75
8.0.50.0040.00416.86
8.0.30.0050.01016.85
8.0.20.0100.00817.40
8.0.10.0000.00717.01
8.0.00.0060.01216.73
7.4.330.0030.00315.04
7.4.320.0000.00616.52
7.4.300.0030.00316.57
7.4.290.0000.00716.60
7.4.280.0060.00316.49
7.4.270.0030.00316.60
7.4.260.0030.00616.49
7.4.250.0050.00216.54
7.4.240.0010.00616.53
7.4.230.0050.00216.44
7.4.220.0070.01716.61
7.4.210.0030.01116.56
7.4.200.0030.00316.43
7.4.150.0150.00317.40
7.4.140.0140.00517.86
7.4.130.0110.00716.43
7.4.120.0130.00616.38
7.4.110.0080.01516.57
7.4.100.0150.00416.38
7.4.90.0110.00616.29
7.4.80.0100.01019.39
7.4.70.0110.01216.38
7.4.60.0060.01016.46
7.4.50.0080.00016.58
7.4.40.0060.01216.41
7.4.30.0110.01116.16
7.4.00.0000.01615.11
7.3.330.0030.00313.21
7.3.320.0020.00213.18
7.3.310.0030.00316.26
7.3.300.0030.00316.28
7.3.290.0030.00316.24
7.3.280.0060.01216.30
7.3.270.0090.00917.40
7.3.260.0090.00916.22
7.3.250.0120.00816.38
7.3.240.0120.00916.48
7.3.230.0150.00316.39
7.3.210.0060.01116.37
7.3.200.0060.00919.39
7.3.190.0130.00816.18
7.3.180.0050.01516.50
7.3.170.0060.01216.50
7.3.160.0100.01016.16
7.3.10.0040.00916.27
7.3.00.0050.00816.49
7.2.330.0120.00316.37
7.2.320.0150.00916.59
7.2.310.0030.01416.21
7.2.300.0080.00816.35
7.2.290.0130.00416.56
7.2.130.0070.00516.68
7.2.120.0070.00616.82
7.2.110.0050.00716.79
7.2.100.0050.00616.95
7.2.90.0050.00816.83
7.2.80.0120.00516.77
7.2.70.0110.00616.72
7.2.60.0070.00916.68
7.2.50.0040.00716.58
7.2.40.0060.00816.64
7.2.30.0040.00916.88
7.2.20.0050.00816.87
7.2.10.0060.00516.76
7.2.00.0040.00916.82
7.1.250.0050.00715.66
7.1.200.0090.00315.66
7.1.100.0030.01218.16
7.1.70.0000.00816.98
7.1.60.0100.01419.59
7.1.50.0060.01516.57
7.1.00.0070.07322.33
7.0.200.0780.00614.61
7.0.60.0070.08720.07
7.0.50.0070.07717.80
7.0.40.0100.07320.16
7.0.30.0500.06020.16
7.0.20.0270.07320.32
7.0.10.0270.06020.37
7.0.00.0030.05020.23
5.6.280.0000.06720.91
5.6.210.0030.08020.70
5.6.200.0130.07718.19
5.6.190.0000.07320.61
5.6.180.3570.04320.61
5.6.170.0400.04020.71
5.6.160.0030.07320.57
5.6.150.0070.08318.12
5.6.140.0030.05718.19
5.6.130.0070.03718.23
5.6.120.0000.09720.90
5.6.110.0030.08321.05
5.6.100.0070.07321.00
5.6.90.0200.07320.96
5.6.80.0200.06320.53
5.6.70.0130.05720.48
5.5.350.0400.06720.33
5.5.340.0070.03717.95
5.5.330.0070.04020.13
5.5.320.0430.07320.30
5.5.310.0100.05020.29
5.5.300.0100.08017.95
5.5.290.0130.08017.92
5.5.280.0100.04320.90
5.5.270.0170.07320.86
5.5.260.0070.03720.73
5.5.250.0070.03720.71
5.5.240.0300.07020.16
5.4.450.0770.06719.61
5.4.440.0300.07319.21
5.4.430.0200.05719.31
5.4.420.0170.05319.47
5.4.410.0270.06719.47
5.4.400.0230.04719.27
5.4.390.0170.05719.18
5.4.380.0170.06018.88
5.4.370.0270.06319.10
5.4.360.0270.05018.95
5.4.350.0070.06719.24
5.4.340.0200.05319.18
5.4.320.0200.07019.18
5.4.310.0130.06018.90
5.4.300.0270.04319.18
5.4.290.0130.06319.26
5.4.280.0230.05019.18
5.4.270.0170.06019.18
5.4.260.0300.04318.90
5.4.250.0200.05718.87
5.4.240.0200.05319.06
5.4.230.0170.05719.23
5.4.220.0200.05319.20
5.4.210.0300.04719.13
5.4.200.0200.04716.93
5.4.190.0300.04018.93
5.4.180.0130.05718.97
5.4.170.0200.05719.09
5.4.160.0200.05019.18
5.4.150.0270.04319.05
5.4.140.0200.05716.42
5.4.130.0330.03716.28
5.4.120.0200.04716.25
5.4.110.0230.04316.34
5.4.100.0070.06316.57
5.4.90.0270.04716.63
5.4.80.0200.05016.33
5.4.70.0200.05016.66
5.4.60.0170.05016.44
5.4.50.0200.04716.25
5.4.40.0200.04716.38
5.4.30.0230.04316.54
5.4.20.0200.05016.20
5.4.10.0100.05716.42
5.4.00.0100.05715.77
5.3.290.0170.05314.57
5.3.280.0200.05014.66
5.3.270.0230.04714.55
5.3.260.0100.06314.71
5.3.250.0170.05714.55
5.3.240.0170.05314.46
5.3.230.0030.06714.49
5.3.220.0200.05014.42
5.3.210.0270.04714.46
5.3.200.0230.04714.48
5.3.190.0170.05714.52
5.3.180.0130.05714.62
5.3.170.0170.06714.63
5.3.160.0170.05014.57
5.3.150.0270.05314.66
5.3.140.0200.06014.51
5.3.130.0270.05714.57
5.3.120.0170.05714.57
5.3.110.0170.05314.57
5.3.100.0200.05013.89
5.3.90.0270.04714.18
5.3.80.0170.05014.02
5.3.70.0130.05714.18
5.3.60.0200.05714.07
5.3.50.0170.05313.96
5.3.40.0130.06013.93
5.3.30.0330.03713.76
5.3.20.0200.04713.62
5.3.10.0170.06013.51
5.3.00.0230.05713.63
5.2.170.0100.04711.08
5.2.160.0200.03711.06
5.2.150.0100.04011.16
5.2.140.0130.03711.11
5.2.130.0130.03711.27
5.2.120.0200.03711.07
5.2.110.0100.04311.16
5.2.100.0130.04311.09
5.2.90.0230.03711.04
5.2.80.0170.04011.15
5.2.70.0130.04311.08
5.2.60.0100.04711.05
5.2.50.0170.04710.98
5.2.40.0100.05310.91
5.2.30.0130.05311.07
5.2.20.0130.04310.90
5.2.10.0100.04310.71
5.2.00.0170.04010.70
5.1.60.0130.0339.98
5.1.50.0170.03010.00
5.1.40.0170.04710.02
5.1.30.0300.03010.27
5.1.20.0070.04310.30
5.1.10.0170.03010.13
5.1.00.0200.0379.91
5.0.50.0130.0238.52
5.0.40.0030.0308.33
5.0.30.0070.0438.15
5.0.20.0070.0278.11
5.0.10.0070.0308.09
5.0.00.0070.0408.20
4.4.90.0000.0275.85
4.4.80.0100.0175.88
4.4.70.0030.0235.87
4.4.60.0070.0205.73
4.4.50.0070.0275.94
4.4.40.0030.0375.87
4.4.30.0030.0235.88
4.4.20.0070.0205.93
4.4.10.0070.0205.91
4.4.00.0030.0375.77
4.3.110.0030.0235.80
4.3.100.0070.0205.82
4.3.90.0030.0235.75
4.3.80.0070.0435.72
4.3.70.0070.0205.73
4.3.60.0070.0205.79
4.3.50.0070.0205.64
4.3.40.0070.0335.74
4.3.30.0030.0234.53
4.3.20.0000.0274.55
4.3.10.0070.0204.43
4.3.00.0200.0177.36

preferences:
30.18 ms | 403 KiB | 5 Q