3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = new stdClass(); $o2 = new stdClass($a = $o1); var_dump($a);

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)
8.3.40.0070.00718.90
8.3.30.0060.00920.27
8.3.20.0080.00020.04
8.3.10.0080.00021.88
8.3.00.0080.00022.45
8.2.170.0030.01322.96
8.2.160.0130.00622.12
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0050.00321.04
8.2.110.0090.00021.18
8.2.100.0060.00617.84
8.2.90.0080.00019.08
8.2.80.0050.00317.97
8.2.70.0000.01017.49
8.2.60.0040.00418.04
8.2.50.0000.00918.07
8.2.40.0000.00918.21
8.2.30.0070.00317.99
8.2.20.0050.00317.57
8.2.10.0060.00317.61
8.2.00.0040.00417.61
8.1.270.0030.00524.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00621.24
8.1.230.0060.00617.58
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0070.00317.23
8.1.190.0080.00017.23
8.1.180.0050.00318.89
8.1.170.0050.00318.50
8.1.160.0040.00422.05
8.1.150.0000.01018.63
8.1.140.0040.00417.27
8.1.130.0030.00517.74
8.1.120.0000.00717.46
8.1.110.0040.00417.25
8.1.100.0050.00217.38
8.1.90.0040.00417.41
8.1.80.0050.00317.40
8.1.70.0050.00517.31
8.1.60.0030.00517.54
8.1.50.0000.00717.45
8.1.40.0040.00417.34
8.1.30.0030.00517.54
8.1.20.0000.00817.60
8.1.10.0050.00217.40
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0070.00018.41
8.0.270.0000.00717.17
8.0.260.0030.00316.74
8.0.250.0070.00016.84
8.0.240.0060.00316.82
8.0.230.0000.00716.89
8.0.220.0030.00316.86
8.0.210.0000.00716.71
8.0.200.0030.00316.88
8.0.190.0040.00416.79
8.0.180.0040.00416.82
8.0.170.0080.00016.79
8.0.160.0050.00316.83
8.0.150.0000.00716.80
8.0.140.0030.00316.77
8.0.130.0000.00513.33
8.0.120.0040.00416.77
8.0.110.0040.00416.88
8.0.100.0050.00316.68
8.0.90.0000.00716.85
8.0.80.0070.01416.75
8.0.70.0000.00716.67
8.0.60.0040.00416.84
8.0.50.0070.00016.79
8.0.30.0090.01116.96
8.0.20.0100.00817.40
8.0.10.0000.00716.73
8.0.00.0090.01216.64
7.4.330.0000.00515.00
7.4.320.0000.00616.47
7.4.300.0030.00316.41
7.4.290.0060.00016.40
7.4.280.0060.00016.52
7.4.270.0070.00016.50
7.4.260.0030.00316.35
7.4.250.0080.00016.49
7.4.240.0060.00216.49
7.4.230.0000.00716.45
7.4.220.0030.01416.62
7.4.210.0070.00816.46
7.4.200.0030.00316.61
7.4.190.0030.00316.33
7.4.160.0130.00616.44
7.4.150.0060.01217.40
7.4.140.0120.00617.86
7.4.130.0130.00616.27
7.4.120.0150.00216.36
7.4.110.0060.01616.27
7.4.100.0140.00516.53
7.4.90.0070.01116.39
7.4.80.0060.01119.39
7.4.70.0110.00716.37
7.4.60.0090.00916.25
7.4.50.0080.00016.36
7.4.40.0060.00622.77
7.4.30.0060.00916.32
7.4.10.0080.01114.78
7.4.00.0080.00714.98
7.3.330.0050.00013.03
7.3.320.0000.00613.05
7.3.310.0030.00316.13
7.3.300.0060.00016.18
7.3.290.0070.00716.25
7.3.280.0060.01016.22
7.3.270.0110.01117.40
7.3.260.0060.01216.36
7.3.250.0060.01016.20
7.3.240.0100.01016.38
7.3.230.0100.00716.39
7.3.210.0030.01316.31
7.3.200.0030.01419.39
7.3.190.0150.00616.59
7.3.180.0120.00816.27
7.3.170.0100.00616.39
7.3.160.0120.00316.44
7.3.130.0090.00814.89
7.3.120.0090.00814.67
7.3.110.0060.01114.71
7.3.100.0070.00714.71
7.3.90.0070.00714.76
7.3.80.0060.00614.76
7.3.70.0000.01314.55
7.3.60.0050.01114.67
7.3.50.0020.01614.81
7.3.40.0030.01314.65
7.3.30.0030.00614.82
7.3.20.0050.01116.50
7.3.10.0070.00916.43
7.3.00.0070.00516.49
7.2.330.0090.00916.72
7.2.320.0130.00716.57
7.2.310.0130.01016.34
7.2.300.0030.01516.45
7.2.290.0140.00416.36
7.2.260.0070.01114.72
7.2.250.0080.00915.13
7.2.240.0060.00915.00
7.2.230.0010.01514.99
7.2.220.0070.00814.90
7.2.210.0000.01214.93
7.2.200.0050.00914.95
7.2.190.0060.01014.99
7.2.180.0080.00915.03
7.2.170.0110.00514.76
7.2.160.0030.01014.61
7.2.150.0030.01016.81
7.2.140.0090.00216.70
7.2.130.0050.00816.87
7.2.120.0060.00916.85
7.2.110.0060.00716.74
7.2.100.0140.00316.55
7.2.90.0060.00816.72
7.2.80.0080.00816.84
7.2.70.0090.00616.67
7.2.60.0050.01016.82
7.2.50.0030.01416.74
7.2.40.0050.01016.75
7.2.30.0050.00916.91
7.2.20.0060.01016.65
7.2.10.0060.00916.82
7.2.00.0090.00516.81
7.1.330.0050.01015.79
7.1.320.0090.00615.84
7.1.310.0060.00615.62
7.1.300.0040.01115.66
7.1.290.0080.00715.56
7.1.280.0080.00815.54
7.1.270.0020.01215.59
7.1.260.0060.00615.73
7.1.250.0040.00915.56
7.1.240.0060.00915.73
7.1.230.0050.00915.78
7.1.220.0100.00615.66
7.1.210.0050.00915.60
7.1.200.0060.00815.62
7.1.190.0050.01115.84
7.1.180.0070.00715.67
7.1.170.0070.00715.73
7.1.160.0060.00815.60
7.1.150.0030.00915.63
7.1.140.0050.00715.72
7.1.130.0050.00715.73
7.1.120.0080.00115.55
7.1.110.0050.00915.82
7.1.100.0080.00416.59
7.1.90.0050.00815.74
7.1.80.0060.00815.72
7.1.70.0060.00716.27
7.1.60.0060.01116.97
7.1.50.0030.00915.97
7.1.40.0060.00615.80
7.1.30.0010.01415.74
7.1.20.0050.00515.62
7.1.10.0050.00815.59
7.1.00.0050.02717.84
7.0.330.0080.00515.46
7.0.320.0060.00815.22
7.0.310.0050.00915.35
7.0.300.0080.00415.38
7.0.290.0040.00815.06
7.0.280.0100.00515.23
7.0.270.0070.00515.22
7.0.260.0040.01115.24
7.0.250.0080.00515.23
7.0.240.0070.00415.35
7.0.230.0080.00515.28
7.0.220.0080.00315.31
7.0.210.0030.00915.14
7.0.200.0090.00714.97
7.0.190.0080.00615.10
7.0.180.0040.01115.38
7.0.170.0040.00915.34
7.0.160.0040.01015.44
7.0.150.0090.00515.24
7.0.140.0040.03017.62
7.0.130.0050.00715.38
7.0.120.0020.00915.48
7.0.110.0050.01015.43
7.0.100.0030.00815.37
7.0.90.0030.01215.27
7.0.80.0050.00515.11
7.0.70.0070.00715.24
7.0.60.0130.02616.87
7.0.50.0090.01416.24
7.0.40.0060.02915.67
7.0.30.0110.02715.74
7.0.20.0160.03115.62
7.0.10.0100.02315.63
7.0.00.0050.03415.65
5.6.400.0080.00714.39
5.6.390.0060.00714.21
5.6.380.0030.00614.15
5.6.370.0020.01514.35
5.6.360.0080.00814.41
5.6.350.0050.00714.39
5.6.340.0020.01413.96
5.6.330.0030.01014.33
5.6.320.0050.00914.26
5.6.310.0060.00714.06
5.6.300.0050.00714.32
5.6.290.0060.00614.22
5.6.280.0060.02816.56
5.6.270.0060.00814.36
5.6.260.0020.01014.41
5.6.250.0050.00614.37
5.6.240.0100.00514.48
5.6.230.0070.00714.20
5.6.220.0060.00614.21
5.6.210.0060.03216.29
5.6.200.0080.02915.60
5.6.190.0070.03516.28
5.6.180.0090.01916.33
5.6.170.0090.03216.34
5.6.160.0070.03416.53
5.6.150.0070.03415.64
5.6.140.0080.03015.54
5.6.130.0040.03415.57
5.6.120.0020.03616.39
5.6.110.0090.03116.53
5.6.100.0110.01416.57
5.6.90.0070.02416.55
5.6.80.0060.01916.16
5.6.70.0050.00714.21
5.6.60.0040.01014.04
5.6.50.0090.00614.42
5.6.40.0050.00814.37
5.6.30.0080.00514.23
5.6.20.0050.00714.32
5.6.10.0070.00814.24
5.6.00.0000.00914.32
5.5.380.0070.00614.23
5.5.370.0030.01214.14
5.5.360.0060.01113.95
5.5.350.0080.02616.35
5.5.340.0070.02315.43
5.5.330.0080.03216.10
5.5.320.0110.02816.12
5.5.310.0100.01916.36
5.5.300.0080.02815.34
5.5.290.0050.02915.43
5.5.280.0050.02416.46
5.5.270.0030.03616.48
5.5.260.0060.03016.32
5.5.250.0050.02716.43
5.5.240.0090.03116.19
5.5.230.0020.01114.20
5.5.220.0020.01113.79
5.5.210.0050.00714.04
5.5.200.0080.00614.12
5.5.190.0040.00914.25
5.5.180.0100.00513.86
5.5.170.0070.00714.07
5.5.160.0070.00414.15
5.5.150.0120.00314.31
5.5.140.0080.00614.00
5.5.130.0030.00814.17
5.5.120.0020.00914.13
5.5.110.0020.01014.10
5.5.100.0040.01314.25
5.5.90.0050.00814.09
5.5.80.0070.00514.20
5.5.70.0030.00914.02
5.5.60.0050.00714.19
5.5.50.0030.01013.80
5.5.40.0070.00714.04
5.5.30.0040.00814.07
5.5.20.0040.00714.19
5.5.10.0030.01014.14
5.5.00.0040.00914.00
5.4.450.0110.02214.35
5.4.440.0130.01814.24
5.4.430.0060.02614.24
5.4.420.0090.02814.37
5.4.410.0100.02114.25
5.4.400.0460.02514.07
5.4.390.0500.02413.98
5.4.380.0160.01914.06
5.4.370.0090.03014.04
5.4.360.0060.02013.98
5.4.350.0040.01611.80
5.4.340.0060.01711.79
5.4.330.0020.00711.74
5.4.320.0080.01811.96
5.4.310.0060.01711.96
5.4.300.0060.01611.96
5.4.290.0030.01711.96
5.4.280.0050.01311.93
5.4.270.0050.01711.92
5.4.260.0050.01511.92
5.4.250.0080.02011.92
5.4.240.0060.02214.12
5.4.230.0090.02214.11
5.4.220.0090.02514.05
5.4.210.0020.02414.02
5.4.200.0070.01914.17
5.4.190.0020.02514.10
5.4.180.0030.02514.11
5.4.170.0020.03014.04
5.4.160.0090.02914.09
5.4.150.0090.02814.08
5.4.140.0070.01913.25
5.4.130.0050.02013.30
5.4.120.0040.02213.33
5.4.110.0070.02813.26
5.4.100.0050.01813.28
5.4.90.0080.02513.28
5.4.80.0060.02613.30
5.4.70.0070.02713.30
5.4.60.0120.02313.27
5.4.50.0100.01913.29
5.4.40.0060.02113.31
5.4.30.0050.02113.21
5.4.20.0070.02413.21
5.4.10.0030.02213.21
5.4.00.0050.02013.04
5.3.290.0040.01912.07
5.3.280.0040.02212.68
5.3.270.0090.02312.60
5.3.260.0030.03112.62
5.3.250.0060.02712.62
5.3.240.0050.02312.63
5.3.230.0060.02012.57
5.3.220.0070.02412.67
5.3.210.0080.02512.61
5.3.200.0050.02212.56
5.3.190.0090.02012.63
5.3.180.0040.02812.66
5.3.170.0050.02012.67
5.3.160.0060.02712.63
5.3.150.0050.02612.67
5.3.140.0090.01912.71
5.3.130.0020.02412.66
5.3.120.0080.02612.66
5.3.110.0070.02212.66
5.3.100.0030.02412.43
5.3.90.0030.02812.53
5.3.80.0040.02512.50
5.3.70.0060.02112.48
5.3.60.0060.01912.48
5.3.50.0030.02112.46
5.3.40.0040.02012.38
5.3.30.0020.02412.39
5.3.20.0040.02112.38
5.3.10.0070.02012.31
5.3.00.0060.02712.33
5.2.170.0130.04711.15
5.2.160.0100.05011.05
5.2.150.0070.04011.14
5.2.140.0130.03311.05
5.2.130.0130.03711.21
5.2.120.0100.03310.93
5.2.110.0030.04310.98
5.2.100.0000.05711.09
5.2.90.0130.04011.16
5.2.80.0070.03711.01
5.2.70.0170.04010.97
5.2.60.0070.04011.09
5.2.50.0070.04311.02
5.2.40.0130.03310.91
5.2.30.0070.04011.13
5.2.20.0070.05310.89
5.2.10.0030.04010.98
5.2.00.0070.05010.87
5.1.60.0030.04710.01
5.1.50.0130.04010.05
5.1.40.0070.03310.04
5.1.30.0100.03010.24
5.1.20.0070.03310.23
5.1.10.0100.05010.25
5.1.00.0070.04010.11
5.0.50.0100.0278.57
5.0.40.0030.0338.32
5.0.30.0030.0478.36
5.0.20.0100.0338.13
5.0.10.0070.0238.16
5.0.00.0030.0408.22
4.4.90.0030.0206.18
4.4.80.0030.0306.18
4.4.70.0030.0206.18
4.4.60.0000.0276.18
4.4.50.0070.0276.18
4.4.40.0070.0436.18
4.4.30.0070.0176.78
4.4.20.0000.0236.78
4.4.10.0000.0376.78
4.4.00.0100.0336.78
4.3.110.0000.0306.78
4.3.100.0100.0236.78
4.3.90.0000.0236.78
4.3.80.0030.0336.78
4.3.70.0000.0236.78
4.3.60.0100.0176.78
4.3.50.0000.0236.78
4.3.40.0070.0376.78
4.3.30.0100.0136.78
4.3.20.0100.0176.78
4.3.10.0000.0336.78
4.3.00.0030.0206.71

preferences:
43.81 ms | 400 KiB | 5 Q