3v4l.org

run code in 300+ PHP versions simultaneously
<?php $objects = []; for ($i=0; $i<10; $i++) { $foo = new stdClass(); $foo->id = $i; $objectHash = spl_object_hash($foo); echo $objectHash; $objects[$objectHash] = $objectHash; } echo count($objects);

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)
8.3.60.0100.00718.30
8.3.50.0110.00618.30
8.3.40.0100.01018.99
8.3.30.0060.00919.09
8.3.20.0060.00320.21
8.3.10.0040.00420.66
8.3.00.0030.00719.23
8.2.180.0120.00316.32
8.2.170.0080.00822.96
8.2.160.0130.00019.46
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00822.18
8.2.110.0100.00020.47
8.2.100.0060.00618.22
8.2.90.0000.00819.15
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0110.00018.00
8.2.20.0000.00717.68
8.2.10.0050.00218.11
8.2.00.0080.00017.73
8.1.280.0120.00625.92
8.1.270.0060.00323.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0040.00819.20
8.1.220.0090.00017.74
8.1.210.0090.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0070.00018.10
8.1.170.0060.00318.65
8.1.160.0040.00421.88
8.1.150.0000.00718.79
8.1.140.0070.00017.55
8.1.130.0070.00017.81
8.1.120.0040.00417.45
8.1.110.0070.00017.46
8.1.100.0000.00717.53
8.1.90.0060.00317.33
8.1.80.0000.00717.31
8.1.70.0080.00017.47
8.1.60.0060.00317.61
8.1.50.0030.00517.54
8.1.40.0040.00417.41
8.1.30.0080.00017.54
8.1.20.0060.00317.64
8.1.10.0050.00317.47
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.40
8.0.270.0000.00717.16
8.0.260.0030.00317.16
8.0.250.0070.00016.82
8.0.240.0030.00316.94
8.0.230.0000.00816.77
8.0.220.0000.00716.84
8.0.210.0040.00216.87
8.0.200.0060.00316.85
8.0.190.0000.00816.80
8.0.180.0040.00416.76
8.0.170.0000.00816.90
8.0.160.0000.00816.93
8.0.150.0050.00216.89
8.0.140.0040.00416.84
8.0.130.0030.00313.25
8.0.120.0040.00416.87
8.0.110.0050.00316.91
8.0.100.0000.00816.76
8.0.90.0000.00716.79
8.0.80.0000.01416.95
8.0.70.0040.00416.71
8.0.60.0050.00216.71
8.0.50.0050.00317.00
8.0.30.0090.01117.18
8.0.20.0090.01117.40
8.0.10.0030.00517.04
8.0.00.0080.01116.82
7.4.330.0030.00315.00
7.4.320.0030.00316.46
7.4.300.0000.00816.63
7.4.290.0000.00716.43
7.4.280.0030.00516.60
7.4.270.0030.00316.58
7.4.260.0050.00216.41
7.4.250.0040.00416.51
7.4.240.0040.00416.56
7.4.230.0000.00716.57
7.4.220.0030.01416.55
7.4.210.0070.00716.68
7.4.200.0000.00716.66
7.4.160.0130.00316.42
7.4.150.0100.01117.40
7.4.140.0120.00817.86
7.4.130.0100.00716.31
7.4.120.0090.00916.41
7.4.110.0030.01316.63
7.4.100.0090.01316.51
7.4.90.0110.00616.43
7.4.80.0090.00819.39
7.4.70.0080.00816.49
7.4.60.0060.00916.43
7.4.50.0040.00416.42
7.4.40.0130.01016.31
7.4.30.0090.01216.57
7.4.00.0020.01715.07
7.3.330.0020.00213.17
7.3.320.0070.00013.17
7.3.310.0040.00416.42
7.3.300.0030.00316.37
7.3.290.0100.00316.31
7.3.280.0060.01016.33
7.3.270.0110.01117.40
7.3.260.0140.01016.32
7.3.250.0110.00916.29
7.3.240.0170.00016.51
7.3.230.0180.00316.46
7.3.210.0030.01316.48
7.3.200.0170.00619.39
7.3.190.0070.01116.26
7.3.180.0080.00816.29
7.3.170.0080.00816.27
7.3.160.0140.00316.55
7.3.120.0120.00614.84
7.3.110.0150.00314.81
7.3.100.0100.00615.10
7.3.90.0030.01015.02
7.3.80.0000.01714.76
7.3.70.0040.00814.86
7.3.60.0110.00315.01
7.3.50.0030.01014.83
7.3.40.0070.00714.84
7.3.30.0150.00014.77
7.3.20.0070.00716.70
7.3.10.0050.00516.64
7.3.00.0070.01016.67
7.2.330.0090.00916.77
7.2.320.0050.01116.69
7.2.310.0140.00316.60
7.2.300.0080.00816.56
7.2.290.0100.01016.42
7.2.250.0110.00715.17
7.2.240.0000.02015.26
7.2.230.0070.00715.20
7.2.220.0030.01315.26
7.2.210.0100.00714.81
7.2.200.0000.01315.17
7.2.190.0030.00714.96
7.2.180.0030.01215.28
7.2.170.0000.01214.92
7.2.60.0030.01216.92
7.1.330.0060.00915.97
7.1.320.0060.00615.85
7.1.310.0100.00015.96
7.1.300.0100.00315.80
7.1.290.0090.00315.52
7.1.280.0100.00715.69
7.1.270.0000.01515.73
7.1.260.0000.01215.77
7.1.200.0050.00515.70
7.1.70.0000.00717.21
7.1.60.0110.01419.32
7.1.50.0100.01316.99
7.1.00.0100.07322.44
7.0.200.0060.00316.95
7.0.140.0000.07722.00
7.0.60.0130.06719.94
7.0.50.0100.05017.89
7.0.40.0070.06320.23
7.0.30.0600.07020.00
7.0.20.0300.07720.20
7.0.10.0170.04020.30
7.0.00.0130.07320.08
5.6.280.0030.07320.98
5.6.210.0030.04320.71
5.6.200.0070.05318.18
5.6.190.0070.08720.45
5.6.180.3400.04320.35
5.6.170.0230.07020.42
5.6.160.0130.07720.52
5.6.150.0100.05018.18
5.6.140.0030.06018.22
5.6.130.0100.03318.10
5.6.120.0030.08021.02
5.6.110.0030.07721.07
5.6.100.0100.08020.88
5.6.90.0070.04020.88
5.6.80.0030.06320.37
5.6.70.0230.06020.27
5.5.350.0130.05020.39
5.5.340.0030.04317.86
5.5.330.0030.06720.21
5.5.320.0370.04720.28
5.5.310.0230.08020.17
5.5.300.0070.04718.01
5.5.290.0070.03717.92
5.5.280.0000.09320.64
5.5.270.0030.05320.76
5.5.260.0130.08320.82
5.5.250.0070.08320.62
5.5.240.0270.06320.15
5.4.450.0630.07319.32
5.4.440.0500.06019.52
5.4.430.0700.06019.52
5.4.420.0730.00019.15
5.4.410.0630.00019.14
5.4.400.0630.00019.05
5.4.390.0600.00019.13
5.4.380.0630.00019.05
5.4.370.0630.00018.91
5.4.360.0600.00019.16
5.4.350.0670.00019.26
5.4.340.0630.00018.98
5.4.320.0080.03912.45
5.4.310.0050.04312.45
5.4.300.0070.03712.46
5.4.290.0050.05012.45
5.4.280.0080.04512.35
5.4.270.0080.03512.35
5.4.260.0110.03312.35
5.4.250.0080.03812.35
5.4.240.0070.03512.35
5.4.230.0090.03512.34
5.4.220.0050.03712.34
5.4.210.0060.03712.34
5.4.200.0100.03512.34
5.4.190.0070.03612.34
5.4.180.0030.03912.34
5.4.170.0050.03812.35
5.4.160.0040.04312.35
5.4.150.0080.03312.34
5.4.140.0070.03612.03
5.4.130.0090.03712.01
5.4.120.0040.03911.97
5.4.110.0070.03711.96
5.4.100.0070.03811.96
5.4.90.0060.04211.96
5.4.80.0060.04111.97
5.4.70.0080.03411.96
5.4.60.0080.03411.96
5.4.50.0080.04311.96
5.4.40.0060.03611.95
5.4.30.0110.03411.95
5.4.20.0040.03711.95
5.4.10.0060.03711.95
5.4.00.0070.04011.44
5.3.290.0090.03912.80
5.3.280.0060.03912.71
5.3.270.0080.04112.72
5.3.260.0050.04112.72
5.3.250.0060.03812.72
5.3.240.0080.03612.72
5.3.230.0070.03912.71
5.3.220.0030.04012.68
5.3.210.0100.03412.68
5.3.200.0080.03512.68
5.3.190.0070.03712.68
5.3.180.0080.03512.67
5.3.170.0060.03712.67
5.3.160.0060.03612.67
5.3.150.0080.04112.68
5.3.140.0040.04212.66
5.3.130.0030.04212.65
5.3.120.0060.03812.66
5.3.110.0070.04912.66
5.3.100.0110.03712.12
5.3.90.0080.03812.08
5.3.80.0070.03612.07
5.3.70.0090.03912.08
5.3.60.0080.03512.06
5.3.50.0100.03312.00
5.3.40.0030.04012.00
5.3.30.0100.03411.95
5.3.20.0060.03811.73
5.3.10.0070.03911.70
5.3.00.0040.03811.68
5.2.170.0060.0309.18
5.2.160.0040.0309.18
5.2.150.0050.0309.18
5.2.140.0030.0329.18
5.2.130.0070.0299.14
5.2.120.0060.0309.14
5.2.110.0040.0309.14
5.2.100.0050.0289.15
5.2.90.0030.0359.14
5.2.80.0050.0329.14
5.2.70.0060.0349.14
5.2.60.0040.0309.09
5.2.50.0030.0359.06
5.2.40.0070.0269.04
5.2.30.0040.0309.02
5.2.20.0070.0279.00
5.2.10.0040.0298.93
5.2.00.0070.0348.78
5.1.60.0050.0248.06
5.1.50.0030.0278.06
5.1.40.0060.0318.05
5.1.30.0050.0278.39
5.1.20.0050.0278.42
5.1.10.0050.0258.14
5.1.00.0070.0268.14
5.0.50.0050.0226.63
5.0.40.0030.0216.48
5.0.30.0040.0326.29
5.0.20.0030.0206.27
5.0.10.0020.0296.24
5.0.00.0040.0376.23
4.4.90.0050.0134.78
4.4.80.0050.0174.75
4.4.70.0030.0204.75
4.4.60.0040.0174.75
4.4.50.0030.0234.77
4.4.40.0020.0294.71
4.4.30.0030.0174.76
4.4.20.0030.0164.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0174.67
4.3.100.0020.0204.67
4.3.90.0060.0114.63
4.3.80.0040.0284.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0040.0274.53
4.3.30.0020.0173.28
4.3.20.0010.0203.25
4.3.10.0020.0183.22
4.3.00.0070.0277.29

preferences:
39.68 ms | 400 KiB | 5 Q