3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(gc_enabled()); $objstore = new SplObjectStorage(); $a = new StdClass; $b = new StdClass; $a->b = $b; $objstore->attach($a); $objstore->attach($b); gc_collect_cycles(); var_dump($objstore); print serialize($objstore);

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)
8.3.60.0140.00416.75
8.3.50.0070.01318.06
8.3.40.0130.00318.54
8.3.30.0030.01019.09
8.3.20.0050.00220.17
8.3.10.0040.00423.52
8.3.00.0040.00420.59
8.2.180.0130.00316.32
8.2.170.0070.00722.96
8.2.160.0070.01020.39
8.2.150.0080.00024.18
8.2.140.0110.00724.66
8.2.130.0100.01026.16
8.2.120.0080.00020.89
8.2.110.0070.00319.21
8.2.100.0090.00317.72
8.2.90.0000.00819.23
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0130.00017.80
8.2.50.0090.00018.07
8.2.40.0000.00920.00
8.2.30.0000.00718.14
8.2.20.0050.00317.73
8.2.10.0040.00417.99
8.2.00.0080.00017.50
8.1.270.0050.00323.96
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.25
8.1.230.0090.00319.02
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.25
8.1.180.0050.00318.10
8.1.170.0050.00517.73
8.1.160.0040.00421.96
8.1.150.0000.00718.59
8.1.140.0000.00817.37
8.1.130.0040.00417.82
8.1.120.0000.00717.41
8.1.110.0000.00817.42
8.1.100.0040.00417.37
8.1.90.0080.00017.45
8.1.80.0000.00717.41
8.1.70.0040.00417.29
8.1.60.0030.00517.54
8.1.50.0040.00417.45
8.1.40.0040.00417.46
8.1.30.0040.00417.63
8.1.20.0040.00417.56
8.1.10.0000.00817.60
8.1.00.0070.00317.41
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.30
8.0.270.0070.00017.14
8.0.260.0000.00617.14
8.0.250.0040.00417.02
8.0.240.0050.00316.98
8.0.230.0040.00416.96
8.0.220.0070.00016.82
8.0.210.0030.00316.70
8.0.200.0000.00616.79
8.0.190.0040.00416.91
8.0.180.0040.00416.86
8.0.170.0050.00316.89
8.0.160.0000.00716.71
8.0.150.0040.00416.84
8.0.140.0030.00416.71
8.0.130.0000.00513.24
8.0.120.0080.00016.71
8.0.110.0000.00816.84
8.0.100.0040.00416.80
8.0.90.0040.00416.83
8.0.80.0090.00916.79
8.0.70.0040.00416.91
8.0.60.0030.00416.67
8.0.50.0070.00016.77
8.0.30.0080.01216.86
8.0.20.0130.01117.40
8.0.10.0050.00216.79
8.0.00.0140.00616.71
7.4.330.0000.00515.07
7.4.320.0000.00616.43
7.4.300.0000.00616.46
7.4.290.0000.00716.44
7.4.280.0040.00416.39
7.4.270.0070.00016.52
7.4.260.0000.00716.50
7.4.250.0000.00716.55
7.4.240.0000.00716.51
7.4.230.0030.00316.53
7.4.220.0130.00316.54
7.4.210.0110.00416.63
7.4.200.0070.00016.64
7.4.160.0120.00416.61
7.4.150.0180.00017.40
7.4.140.0100.00717.86
7.4.130.0070.01216.40
7.4.120.0110.00716.32
7.4.110.0100.00716.32
7.4.100.0090.00916.39
7.4.90.0100.00716.53
7.4.80.0120.01419.39
7.4.70.0100.00716.29
7.4.60.0140.01016.43
7.4.50.0000.00516.54
7.4.40.0050.01116.33
7.4.30.0030.01516.37
7.4.00.0060.00614.69
7.3.330.0050.00312.97
7.3.320.0030.00312.92
7.3.310.0070.00016.06
7.3.300.0000.00716.16
7.3.290.0130.00616.19
7.3.280.0100.00816.22
7.3.270.0100.00717.40
7.3.260.0040.01516.50
7.3.250.0060.01116.31
7.3.240.0000.01716.55
7.3.230.0090.00916.48
7.3.210.0150.00916.54
7.3.200.0120.00619.39
7.3.190.0060.01016.48
7.3.180.0050.01116.32
7.3.170.0170.00616.43
7.3.160.0110.00516.42
7.3.120.0030.01014.76
7.2.330.0040.02116.43
7.2.320.0040.01316.79
7.2.310.0070.01016.45
7.2.300.0060.01216.39
7.2.290.0180.00016.46
7.2.60.0070.00716.98
7.2.00.0090.00619.54
7.1.200.0090.00315.58
7.1.100.0070.00718.15
7.1.70.0100.00017.07
7.1.60.0090.01619.70
7.1.50.0070.01017.00
7.1.00.0070.07322.33
7.0.200.0020.00516.79
7.0.140.0000.07722.07
7.0.100.0000.04720.00
7.0.90.0130.05319.93
7.0.80.0030.08319.93
7.0.70.0230.07719.95
7.0.60.0330.04319.95
7.0.50.0100.06020.39
7.0.40.0030.06020.14
7.0.30.0100.04320.14
7.0.20.0070.08019.95
7.0.10.0070.08020.09
7.0.00.0130.07720.18
5.6.280.0000.07721.10
5.6.250.0070.03320.59
5.6.240.0100.07320.68
5.6.230.0070.07320.66
5.6.220.0100.08320.58
5.6.210.0100.07720.68
5.6.200.0030.04021.07
5.6.190.0100.07721.11
5.6.180.0070.04321.03
5.6.170.0070.08021.00
5.6.160.0030.05021.02
5.6.150.0100.05721.02
5.6.140.0100.04321.07
5.6.130.0130.07021.01
5.6.120.0100.06021.01
5.6.110.0100.06020.98
5.6.100.0130.05721.12
5.6.90.0130.08020.93
5.6.80.0130.06720.41
5.6.70.0030.04320.45
5.6.60.0100.08320.53
5.6.50.0100.05020.33
5.6.40.0100.04020.41
5.6.30.0070.05020.37
5.6.20.0070.08020.43
5.6.10.0100.07320.52
5.6.00.0070.05320.41
5.5.380.0030.04320.39
5.5.370.0070.04020.44
5.5.360.0030.08320.48
5.5.350.0100.07320.39
5.5.340.0130.07720.80
5.5.330.0100.04020.88
5.5.320.0070.05020.91
5.5.310.0030.07020.92
5.5.300.0130.03720.88
5.5.290.0100.07020.60
5.5.280.0030.08320.82
5.5.270.0070.08020.84
5.5.260.0100.08020.91
5.5.250.0030.05020.68
5.5.240.0070.07020.24
5.5.230.0070.06320.14
5.5.220.0070.07720.24
5.5.210.0030.04720.13
5.5.200.0130.07020.22
5.5.190.0100.07720.26
5.5.180.0130.06320.21
5.5.160.0030.05320.27
5.5.150.0230.06720.26
5.5.140.0100.06720.23
5.5.130.0030.05720.25
5.5.120.0100.06319.98
5.5.110.0070.07720.21
5.5.100.0070.06720.02
5.5.90.0070.04720.10
5.5.80.0000.05320.15
5.5.70.0070.08319.96
5.5.60.0170.06319.96
5.5.50.0070.07720.04
5.5.40.0030.08020.08
5.5.30.0070.07720.07
5.5.20.0130.03720.11
5.5.10.0070.07720.05
5.5.00.0030.04020.02
5.4.450.0100.07019.40
5.4.440.0170.06319.27
5.4.430.0170.03719.48
5.4.420.0130.05319.39
5.4.410.0030.06319.32
5.4.400.0100.06019.06
5.4.390.0070.07319.04
5.4.380.0100.04019.14
5.4.370.0100.06019.11
5.4.360.0100.03319.14
5.4.350.0070.04018.96
5.4.340.0030.07719.23
5.4.320.0070.06319.11
5.4.310.0130.05319.03
5.4.300.0100.03718.98
5.4.290.0070.06019.05
5.4.280.0100.07019.23
5.4.270.0070.07018.90
5.4.260.0070.08319.06
5.4.250.0100.07318.98
5.4.240.0030.04018.78
5.4.230.0100.07018.93
5.4.220.0000.08318.78
5.4.210.0030.08319.03
5.4.200.0030.06019.02
5.4.190.0100.04019.15
5.4.180.0100.07319.06
5.4.170.0030.04318.93
5.4.160.0070.07018.76
5.4.150.0100.07019.00
5.4.140.0070.07016.27
5.4.130.0100.07016.36
5.4.120.0030.04316.11
5.4.110.0070.06316.45
5.4.100.0000.08016.32
5.4.90.0130.06716.42
5.4.80.0100.06016.31
5.4.70.0070.05016.32
5.4.60.0070.06716.18
5.4.50.0030.07716.23
5.4.40.0030.06316.47
5.4.30.0130.07316.17
5.4.20.0130.05316.23
5.4.10.0130.07016.18
5.4.00.0200.06315.81
5.3.290.0000.05014.66
5.3.280.0030.07314.56
5.3.270.0030.06714.48
5.3.260.0070.08014.61
5.3.250.0030.04714.59
5.3.240.0070.07714.59
5.3.230.0030.04714.43
5.3.220.0070.05014.52
5.3.210.0130.06314.47
5.3.200.0070.07714.57
5.3.190.0070.04314.55
5.3.180.0030.07714.38
5.3.170.0100.07314.42
5.3.160.0130.06714.55
5.3.150.0100.05714.50
5.3.140.0100.06014.55
5.3.130.0070.08014.55
5.3.120.0000.05714.54
5.3.110.0170.06714.38
5.3.100.0100.07714.03
5.3.90.0030.07713.99
5.3.80.0070.05014.01
5.3.70.0070.05013.87
5.3.60.0030.04313.99
5.3.50.0070.07013.94
5.3.40.0100.06713.80
5.3.30.0070.07013.85
5.3.20.0070.07713.50
5.3.10.0130.06313.60
5.3.00.0030.07713.61
5.2.170.0070.06312.15
5.2.160.0000.05012.15
5.2.150.0070.05012.15
5.2.140.0070.04012.15
5.2.130.0070.06012.15
5.2.120.0070.05312.15
5.2.110.0030.03712.15
5.2.100.0000.03712.15
5.2.90.0030.04012.15
5.2.80.0030.03312.15
5.2.70.0070.05712.15
5.2.60.0070.04012.15
5.2.50.0030.03012.15
5.2.40.0100.03312.15
5.2.30.0030.04712.15
5.2.20.0000.03712.15
5.2.10.0100.04312.15
5.2.00.0070.05712.15
5.1.60.0100.03712.15
5.1.50.0070.05012.15
5.1.40.0030.02712.15
5.1.30.0130.04012.15
5.1.20.0100.02712.15
5.1.10.0030.04312.15
5.1.00.0070.05712.15
5.0.50.0030.03712.15
5.0.40.0000.03312.15
5.0.30.0030.03012.15
5.0.20.0030.02312.15
5.0.10.0070.03012.15
5.0.00.0000.05012.15
4.4.90.0030.02312.15
4.4.80.0100.02012.15
4.4.70.0000.02712.15
4.4.60.0000.03012.15
4.4.50.0000.03712.15
4.4.40.0030.05012.15
4.4.30.0000.03012.15
4.4.20.0000.03712.15
4.4.10.0030.03312.15
4.4.00.0000.04312.15
4.3.110.0000.02012.15
4.3.100.0000.03312.15
4.3.90.0070.02312.15
4.3.80.0000.02712.15
4.3.70.0030.02712.15
4.3.60.0100.02712.15
4.3.50.0070.03312.15
4.3.40.0030.05012.15
4.3.30.0000.02012.15
4.3.20.0000.03312.15
4.3.10.0030.03012.15
4.3.00.0000.02712.15

preferences:
53.64 ms | 400 KiB | 5 Q