3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = (object) array('a' => 1); $h1 = spl_object_hash($o1); unset($o1); $o2 = (object) array('b' => 1); $h2 = spl_object_hash($o2); echo "$h1\n$h2";

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)
8.3.60.0150.00618.30
8.3.50.0110.00721.14
8.3.40.0140.00718.47
8.3.30.0070.01019.05
8.3.20.0040.00420.35
8.3.10.0040.00421.79
8.3.00.0070.00022.39
8.2.180.0030.01216.75
8.2.170.0100.00322.96
8.2.160.0150.00019.04
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00419.24
8.2.110.0050.00522.44
8.2.100.0040.00718.22
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00917.93
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0000.00717.94
8.2.20.0000.00717.72
8.2.10.0000.00717.75
8.2.00.0040.00417.73
8.1.280.0100.00725.92
8.1.270.0030.00622.18
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0040.00718.99
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.30
8.1.180.0050.00320.37
8.1.170.0050.00518.66
8.1.160.0050.00322.09
8.1.150.0070.00018.57
8.1.140.0040.00417.26
8.1.130.0000.00817.72
8.1.120.0000.00717.39
8.1.110.0050.00317.28
8.1.100.0000.00717.37
8.1.90.0040.00417.23
8.1.80.0000.00717.32
8.1.70.0000.00717.39
8.1.60.0060.00317.49
8.1.50.0040.00417.35
8.1.40.0040.00417.32
8.1.30.0040.00417.57
8.1.20.0000.00917.47
8.1.10.0050.00317.40
8.1.00.0030.00617.33
8.0.300.0040.00418.77
8.0.290.0030.00617.05
8.0.280.0030.00318.43
8.0.270.0000.00817.26
8.0.260.0030.00316.88
8.0.250.0070.00017.00
8.0.240.0000.00716.96
8.0.230.0030.00316.90
8.0.220.0000.00717.00
8.0.210.0030.00316.84
8.0.200.0040.00416.89
8.0.190.0050.00217.04
8.0.180.0000.00716.91
8.0.170.0040.00416.98
8.0.160.0000.00716.91
8.0.150.0040.00416.80
8.0.140.0070.00016.83
8.0.130.0030.00313.34
8.0.120.0080.00016.94
8.0.110.0040.00416.89
8.0.100.0030.00516.99
8.0.90.0000.00717.00
8.0.80.0110.00416.95
8.0.70.0000.00716.78
8.0.60.0000.00716.95
8.0.50.0060.00316.97
8.0.30.0070.01117.03
8.0.20.0070.01117.40
8.0.10.0030.00516.96
8.0.00.0110.01116.62
7.4.330.0000.00515.00
7.4.320.0070.00016.39
7.4.300.0060.00016.55
7.4.290.0000.00716.45
7.4.280.0040.00416.45
7.4.270.0030.00316.38
7.4.260.0000.00616.31
7.4.250.0070.00016.54
7.4.240.0020.00516.43
7.4.230.0060.00016.23
7.4.220.0090.00916.53
7.4.210.0110.00416.51
7.4.200.0000.00716.42
7.4.190.0000.00716.24
7.4.160.0100.00616.37
7.4.150.0170.00317.40
7.4.140.0120.00517.86
7.4.130.0100.00916.32
7.4.120.0100.00816.48
7.4.110.0170.00616.39
7.4.100.0140.00616.43
7.4.90.0150.00416.52
7.4.80.0070.01419.39
7.4.70.0090.00616.42
7.4.60.0130.00316.36
7.4.50.0030.00516.44
7.4.40.0060.00922.77
7.4.30.0100.00716.37
7.4.00.0080.00815.12
7.3.330.0020.00213.26
7.3.320.0000.00513.12
7.3.310.0000.00716.33
7.3.300.0000.00616.32
7.3.290.0070.00716.27
7.3.280.0060.01216.32
7.3.270.0090.00917.40
7.3.260.0100.01316.32
7.3.250.0070.00916.39
7.3.240.0040.01216.27
7.3.230.0070.01016.46
7.3.210.0040.01516.22
7.3.200.0100.00719.39
7.3.190.0120.00616.48
7.3.180.0030.01316.36
7.3.170.0140.00316.64
7.3.160.0090.00916.27
7.3.120.0080.00814.56
7.2.330.0060.01316.63
7.2.320.0100.01016.48
7.2.310.0130.00316.68
7.2.300.0070.01016.47
7.2.290.0120.00616.46
7.2.60.0140.00716.21
7.1.200.0090.00315.90
7.1.100.0070.01017.99
7.1.70.0040.00417.09
7.1.60.0070.01319.82
7.1.50.0100.01317.11
7.1.00.0030.07722.30
7.0.200.0030.00316.81
7.0.140.0100.06721.97
7.0.70.3400.03719.88
7.0.60.0070.06720.02
7.0.50.0130.04717.81
7.0.40.0070.08720.11
7.0.30.0200.08720.23
7.0.20.0270.04720.00
7.0.10.0300.07020.16
7.0.00.0030.04320.17
5.6.280.0030.07321.14
5.6.210.0070.05720.73
5.6.200.0170.07718.13
5.6.190.0100.05720.41
5.6.180.0330.07720.32
5.6.170.0500.06320.48
5.6.160.0030.05320.56
5.6.150.0070.08018.12
5.6.140.0070.03718.22
5.6.130.0030.06718.09
5.6.120.0100.04321.01
5.6.110.0070.06720.88
5.6.100.0030.04021.08
5.6.90.0100.08021.09
5.6.80.0130.07020.38
5.6.70.0170.05320.34
5.5.350.0070.07720.43
5.5.340.0000.04318.02
5.5.330.0070.08320.43
5.5.320.0100.07720.57
5.5.310.0230.04720.20
5.5.300.0030.06718.01
5.5.290.0100.05017.96
5.5.280.0100.06320.88
5.5.270.0070.08720.75
5.5.260.0130.08020.86
5.5.250.0030.04020.65
5.5.240.0070.06020.12
5.4.450.0530.06019.62
5.4.440.0700.08719.48
5.4.430.1200.04719.09
5.4.420.1100.07019.45
5.4.410.0100.05319.35
5.4.400.0170.04719.09
5.4.390.0370.06319.25
5.4.380.0300.05018.61
5.4.370.0270.05718.72
5.4.360.0200.04718.48
5.4.350.0070.03511.97
5.4.340.0130.06711.96
5.4.320.0060.03712.45
5.4.310.0070.04412.45
5.4.300.0080.03712.45
5.4.290.0020.04212.45
5.4.280.0060.03712.35
5.4.270.0040.03812.34
5.4.260.0030.05318.89
5.4.250.0070.05718.79
5.4.240.0100.05018.89
5.4.230.0030.05718.87
5.4.220.0170.05018.88
5.4.210.0000.06018.89
5.4.200.0070.05718.69
5.4.190.0130.05318.89
5.4.180.0070.05318.91
5.4.170.0000.06018.98
5.4.160.0100.04718.99
5.4.150.0130.05718.72
5.4.140.0030.05716.26
5.4.130.0100.04316.27
5.4.120.0000.05316.29
5.4.110.0030.06016.34
5.4.100.0130.06016.36
5.4.90.0100.05316.29
5.4.80.0070.07316.50
5.4.70.0130.05716.30
5.4.60.0100.06316.33
5.4.50.0130.04716.46
5.4.40.0030.06016.28
5.4.30.0170.06016.31
5.4.20.0130.06316.49
5.4.10.0030.07016.46
5.4.00.0100.05015.68
5.3.290.0050.04112.80
5.3.280.0100.05314.46
5.3.270.0070.06014.75
5.3.260.0100.05314.44
5.3.250.0000.05714.49
5.3.240.0030.05014.30
5.3.230.0200.05014.64
5.3.220.0100.05714.66
5.3.210.0130.05014.66
5.3.200.0130.05014.66
5.3.190.0070.05314.28
5.3.180.0200.06014.45
5.3.170.0070.08014.66
5.3.160.0070.07314.58
5.3.150.0130.04314.58
5.3.140.0030.05714.57
5.3.130.0130.07314.41
5.3.120.0000.07014.64
5.3.110.0100.07714.41
5.3.100.0030.05714.04
5.3.90.0130.04314.11
5.3.80.0030.05014.01
5.3.70.0030.05314.01
5.3.60.0000.05714.02
5.3.50.0170.06313.95
5.3.40.0170.04013.78
5.3.30.0170.06013.60
5.3.20.0070.07013.56
5.3.10.0100.04713.65
5.3.00.0030.05013.49
5.2.170.0030.04011.29
5.2.160.0030.06010.97
5.2.150.0000.04710.97
5.2.140.0070.06010.97
5.2.130.0070.03710.93
5.2.120.0030.06011.11
5.2.110.0030.04011.11
5.2.100.0000.06311.09
5.2.90.0070.04711.02
5.2.80.0030.04311.12
5.2.70.0000.04711.10
5.2.60.0030.06010.95
5.2.50.0030.05310.90
5.2.40.0030.04010.93
5.2.30.0070.04010.80
5.2.20.0100.03311.13
5.2.10.0030.04010.74
5.2.00.0170.04310.70
5.1.60.0100.03710.18
5.1.50.0000.0509.95
5.1.40.0030.03310.04
5.1.30.0000.04010.41
5.1.20.0100.03710.57
5.1.10.0100.03310.25
5.1.00.0030.03710.11
5.0.50.0000.0338.60
5.0.40.0030.0308.29
5.0.30.0130.0408.12
5.0.20.0100.0208.16
5.0.10.0030.0278.31
5.0.00.0030.0408.12
4.4.90.0000.0237.27
4.4.80.0070.0277.27
4.4.70.0000.0337.27
4.4.60.0000.0237.27
4.4.50.0030.0277.27
4.4.40.0000.0337.27
4.4.30.0000.0237.27
4.4.20.0070.0207.27
4.4.10.0030.0307.27
4.4.00.0000.0377.27
4.3.110.0100.0137.27
4.3.100.0070.0237.27
4.3.90.0100.0107.27
4.3.80.0000.0337.27
4.3.70.0000.0237.27
4.3.60.0030.0177.27
4.3.50.0030.0207.27
4.3.40.0030.0307.27
4.3.30.0000.0237.27
4.3.20.0030.0207.27
4.3.10.0000.0207.27
4.3.00.0070.0237.02

preferences:
58.04 ms | 401 KiB | 5 Q