3v4l.org

run code in 300+ PHP versions simultaneously
<?php $os = new SplObjectStorage; $obj = new StdClass; $os->attach($obj); var_dump($os->count()); var_dump($os->detach($obj), $os->count()); var_dump($os->detach($obj), $os->count());

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)
8.3.60.0110.00318.43
8.3.50.0080.01221.98
8.3.40.0100.00318.35
8.3.30.0070.01018.54
8.3.20.0080.00018.70
8.3.10.0060.00320.92
8.3.00.0070.00023.61
8.2.180.0100.00716.37
8.2.170.0110.00422.96
8.2.160.0030.01020.34
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00421.16
8.2.110.0030.00620.47
8.2.100.0090.00317.78
8.2.90.0040.00419.15
8.2.80.0000.00717.97
8.2.70.0090.00017.50
8.2.60.0000.00917.80
8.2.50.0000.00918.07
8.2.40.0000.00718.03
8.2.30.0000.00719.77
8.2.20.0080.00017.68
8.2.10.0040.00417.73
8.2.00.0040.00417.62
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0000.01024.03
8.1.230.0080.00417.50
8.1.220.0050.00318.77
8.1.210.0080.00018.90
8.1.200.0030.00617.10
8.1.190.0040.00417.39
8.1.180.0070.00318.10
8.1.170.0040.00418.47
8.1.160.0040.00418.84
8.1.150.0040.00418.46
8.1.140.0090.00017.38
8.1.130.0000.00717.80
8.1.120.0000.00717.28
8.1.110.0080.00017.27
8.1.100.0040.00417.44
8.1.90.0000.00717.29
8.1.80.0000.00717.45
8.1.70.0070.00017.36
8.1.60.0000.00717.41
8.1.50.0000.00817.42
8.1.40.0050.00317.46
8.1.30.0030.00617.55
8.1.20.0040.00417.61
8.1.10.0040.00417.41
8.1.00.0000.00717.46
8.0.300.0070.00019.75
8.0.290.0040.00416.63
8.0.280.0000.00818.42
8.0.270.0030.00317.11
8.0.260.0000.00616.81
8.0.250.0030.00516.78
8.0.240.0070.00416.91
8.0.230.0040.00416.80
8.0.220.0040.00416.83
8.0.210.0070.00016.80
8.0.200.0000.00716.76
8.0.190.0090.00016.89
8.0.180.0040.00416.88
8.0.170.0060.00316.75
8.0.160.0000.00816.70
8.0.150.0050.00316.81
8.0.140.0090.00416.77
8.0.130.0030.00313.29
8.0.120.0040.00416.83
8.0.110.0040.00416.70
8.0.100.0050.00316.94
8.0.90.0080.00016.73
8.0.80.0100.01016.85
8.0.70.0040.00416.85
8.0.60.0050.00216.72
8.0.50.0040.00416.89
8.0.30.0090.01117.05
8.0.20.0070.01217.40
8.0.10.0040.00416.95
8.0.00.0120.00816.80
7.4.330.0020.00214.72
7.4.320.0030.00316.47
7.4.300.0060.00016.53
7.4.290.0040.00416.55
7.4.280.0070.00016.31
7.4.270.0070.00016.53
7.4.260.0000.00613.21
7.4.250.0000.00716.46
7.4.240.0050.00216.46
7.4.230.0030.00316.30
7.4.220.0140.00716.48
7.4.210.0080.00816.50
7.4.200.0070.00016.54
7.4.190.0040.00416.61
7.4.160.0120.00416.24
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0100.00816.45
7.4.120.0110.00616.52
7.4.110.0000.01816.42
7.4.100.0070.01016.50
7.4.90.0100.00716.53
7.4.80.0180.00719.37
7.4.70.0090.00916.25
7.4.60.0110.00716.48
7.4.50.0030.00616.50
7.4.40.0110.00422.52
7.4.30.0100.00716.30
7.4.00.0060.00915.04
7.3.330.0050.00013.08
7.3.320.0050.00012.87
7.3.310.0000.00716.28
7.3.300.0030.00316.04
7.3.290.0120.00616.20
7.3.280.0100.00816.15
7.3.270.0120.00417.40
7.3.260.0110.00818.24
7.3.250.0070.01316.21
7.3.240.0070.01016.32
7.3.230.0150.00616.39
7.3.210.0060.01216.32
7.3.200.0090.00919.39
7.3.190.0130.00916.40
7.3.180.0100.00516.14
7.3.170.0060.00916.37
7.3.160.0150.00416.35
7.3.120.0000.01814.71
7.3.10.0060.00616.57
7.3.00.0090.00216.52
7.2.330.0150.00316.38
7.2.320.0060.01616.54
7.2.310.0140.00716.32
7.2.300.0000.01616.42
7.2.290.0130.00916.50
7.2.130.0110.00216.84
7.2.120.0050.01016.65
7.2.110.0090.00516.60
7.2.100.0100.00416.74
7.2.90.0070.00316.82
7.2.80.0070.00516.79
7.2.70.0040.00716.78
7.2.60.0050.01016.90
7.2.50.0020.00916.77
7.2.40.0020.01316.75
7.2.30.0070.00516.92
7.2.20.0020.01116.85
7.2.10.0010.00816.60
7.2.00.0030.00917.56
7.1.250.0020.01015.68
7.1.240.0060.00615.57
7.1.230.0030.00615.46
7.1.220.0000.00915.63
7.1.210.0070.00715.83
7.1.200.0070.00415.74
7.1.190.0030.01015.53
7.1.180.0080.00015.59
7.1.170.0000.01215.74
7.1.160.0030.00715.41
7.1.150.0050.00215.68
7.1.140.0040.00715.80
7.1.130.0060.00315.51
7.1.120.0000.01015.43
7.1.110.0030.00715.48
7.1.100.0070.00916.78
7.1.90.0030.00615.46
7.1.80.0060.00615.70
7.1.70.0030.00916.43
7.1.60.0020.01517.56
7.1.50.0070.00816.04
7.1.40.0100.00315.71
7.1.30.0000.00715.52
7.1.20.0030.00615.57
7.1.10.0040.00815.79
7.1.00.0030.02319.06
7.0.330.0030.00615.39
7.0.320.0090.00915.13
7.0.310.0000.00915.20
7.0.300.0110.00415.09
7.0.290.0060.00615.26
7.0.280.0100.00315.07
7.0.270.0090.00315.49
7.0.260.0070.00715.38
7.0.250.0000.00915.27
7.0.240.0040.01115.26
7.0.230.0060.00615.43
7.0.220.0060.00915.53
7.0.210.0060.01015.51
7.0.200.0000.00815.89
7.0.190.0110.00415.54
7.0.180.0100.00315.35
7.0.170.0000.01115.24
7.0.160.0050.00515.45
7.0.150.0060.00315.49
7.0.140.0030.03818.73
7.0.130.0150.00015.34
7.0.120.0050.00515.45
7.0.110.0030.00915.32
7.0.100.0030.00615.48
7.0.90.0060.00615.29
7.0.80.0040.00815.35
7.0.70.0030.04517.60
7.0.60.0100.03717.70
7.0.50.0060.04317.87
7.0.40.0070.03116.81
7.0.30.0060.02316.74
7.0.20.0060.02816.71
7.0.10.0040.03116.65
7.0.00.0080.04916.78
5.6.380.0000.00714.34
5.6.370.0030.01114.51
5.6.360.0000.01014.18
5.6.350.0060.00313.90
5.6.340.0030.01314.51
5.6.330.0070.00314.46
5.6.320.0030.00914.07
5.6.310.0000.00913.89
5.6.300.0090.00314.40
5.6.290.0070.00414.28
5.6.280.0020.04217.88
5.6.270.0060.00314.21
5.6.260.0000.01014.27
5.6.250.0070.00314.48
5.6.240.0060.00914.61
5.6.230.0030.00914.54
5.6.220.0050.04617.55
5.6.210.0050.04717.32
5.6.200.0070.03817.74
5.6.190.0070.04017.60
5.6.180.0030.04617.45
5.6.170.0070.03017.70
5.6.160.0110.03017.63
5.6.150.0080.04217.74
5.6.140.0130.03817.60
5.6.130.0060.03917.63
5.6.120.0090.03017.49
5.6.110.0070.03317.65
5.6.100.0120.04717.63
5.6.90.0100.04717.64
5.6.80.0070.04517.43
5.6.70.0120.02317.23
5.6.60.0100.03617.40
5.6.50.0060.03217.23
5.6.40.0150.03517.39
5.6.30.0080.03217.24
5.6.20.0050.04517.42
5.6.10.0130.03817.33
5.6.00.0100.04017.20
5.5.380.0000.00911.18
5.5.370.0000.01011.18
5.5.360.0080.04215.78
5.5.350.0050.04215.75
5.5.340.0070.04316.02
5.5.330.0050.04416.00
5.5.320.0090.03716.03
5.5.310.0090.02815.95
5.5.300.0030.03616.00
5.5.290.0020.03116.08
5.5.280.0070.02816.03
5.5.270.0070.04515.96
5.5.260.0070.04715.98
5.5.250.0070.03315.96
5.5.240.0090.04015.70
5.5.230.0040.03515.73
5.5.220.0070.03815.73
5.5.210.0070.03915.65
5.5.200.0050.04415.71
5.5.190.0100.04115.71
5.5.180.0060.04615.59
5.5.170.0090.00311.18
5.5.160.0030.03715.58
5.5.150.0020.04315.72
5.5.140.0100.03815.68
5.5.130.0020.03015.63
5.5.120.0020.03315.67
5.5.110.0030.04615.65
5.5.100.0110.04015.64
5.5.90.0070.04515.61
5.5.80.0050.04215.62
5.5.70.0060.02315.60
5.5.60.0050.02215.64
5.5.50.0110.03015.67
5.5.40.0040.02315.65
5.5.30.0050.03315.60
5.5.20.0050.02715.60
5.5.10.0030.02415.60
5.5.00.0050.02315.54
5.4.450.0080.04115.37
5.4.440.0050.04015.22
5.4.430.0080.04315.24
5.4.420.0100.03015.28
5.4.410.0090.04015.20
5.4.400.0110.02514.98
5.4.390.0070.04215.04
5.4.380.0060.03614.98
5.4.370.0100.03815.13
5.4.360.0020.04315.12
5.4.350.0070.03914.99
5.4.340.0160.03015.04
5.4.330.0080.00011.18
5.4.320.0050.02315.16
5.4.310.0080.03815.10
5.4.300.0050.02815.04
5.4.290.0030.02315.16
5.4.280.0020.03915.15
5.4.270.0030.04115.06
5.4.260.0080.03315.07
5.4.250.0030.03315.07
5.4.240.0030.04015.12
5.4.230.0080.02615.07
5.4.220.0020.02315.03
5.4.210.0000.02515.14
5.4.200.0110.01914.97
5.4.190.0050.02015.14
5.4.180.0090.01715.05
5.4.170.0020.02215.20
5.4.160.0070.02215.13
5.4.150.0030.02215.11
5.4.140.0030.02313.77
5.4.130.0040.02013.73
5.4.120.0070.01913.76
5.4.110.0040.02013.74
5.4.100.0050.01813.71
5.4.90.0030.02013.81
5.4.80.0060.01913.78
5.4.70.0070.01813.76
5.4.60.0020.02213.77
5.4.50.0050.01913.78
5.4.40.0050.02113.71
5.4.30.0050.02013.70
5.4.20.0080.02013.72
5.4.10.0060.01813.67
5.4.00.0040.02013.34
5.3.290.0050.02712.90
5.3.280.0040.03012.85
5.3.270.0020.02412.81
5.3.260.0040.02112.89
5.3.250.0030.02212.80
5.3.240.0050.03712.83
5.3.230.0060.02312.81
5.3.220.0010.02312.86
5.3.210.0000.02312.84
5.3.200.0060.01812.84
5.3.190.0020.02112.79
5.3.180.0110.03012.79
5.3.170.0000.02212.87
5.3.160.0060.02312.87
5.3.150.0020.02312.80
5.3.140.0020.03012.84
5.3.130.0050.02012.85
5.3.120.0030.02112.79
5.3.110.0080.02512.82
5.3.100.0070.01812.60
5.3.90.0020.02312.51
5.3.80.0040.02112.59
5.3.70.0050.01912.53
5.3.60.0020.02712.57
5.3.50.0020.02412.55
5.3.40.0050.02212.53
5.3.30.0030.01712.52
5.3.20.0080.01812.43
5.3.10.0020.02012.29
5.3.00.0080.03312.33
5.2.170.0020.02111.12
5.2.160.0100.01011.07
5.2.150.0020.01511.18
5.2.140.0050.01711.15
5.2.130.0020.02111.17
5.2.120.0030.01611.10
5.2.110.0000.01811.11
5.2.100.0020.01811.15
5.2.90.0070.02711.07
5.2.80.0010.01611.13
5.2.70.0020.01711.04
5.2.60.0020.01811.04
5.2.50.0050.02511.09
5.2.40.0030.02311.08
5.2.30.0020.01710.97
5.2.20.0050.01911.06
5.2.10.0080.02011.02
5.2.00.0060.01610.91
5.1.60.0000.01610.91
5.1.50.0020.01510.91
5.1.40.0040.01510.91
5.1.30.0000.01510.91
5.1.20.0040.01310.91
5.1.10.0050.03010.91
5.1.00.0030.02810.91
5.0.50.0020.02710.91
5.0.40.0030.01910.91
5.0.30.0030.03210.91
5.0.20.0050.02110.91
5.0.10.0020.02410.91
5.0.00.0000.02510.91
4.4.90.0000.00910.91
4.4.80.0000.00910.91
4.4.70.0060.01010.91
4.4.60.0000.01510.91
4.4.50.0020.02010.91
4.4.40.0000.01510.91
4.4.30.0020.00910.91
4.4.20.0030.00810.91
4.4.10.0040.01210.91
4.4.00.0030.02810.91
4.3.110.0030.00810.91
4.3.100.0020.00710.91
4.3.90.0020.01810.91
4.3.80.0020.02510.91
4.3.70.0050.00810.91
4.3.60.0000.00910.91
4.3.50.0030.00810.91
4.3.40.0020.01410.91
4.3.30.0030.01810.91
4.3.20.0000.00810.91
4.3.10.0000.01310.91
4.3.00.0000.02210.91

preferences:
50.56 ms | 401 KiB | 5 Q