3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $ref = 42; $obj->ref =& $ref; $clone = clone $obj; $clone->ref = 24; var_dump($obj, $clone);

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)
8.3.60.0070.01018.43
8.3.50.0070.01416.57
8.3.40.0150.00018.70
8.3.30.0090.00918.73
8.3.20.0080.00019.93
8.3.10.0040.00421.66
8.3.00.0000.00823.66
8.2.180.0090.00618.54
8.2.170.0090.00622.96
8.2.160.0110.00320.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0140.00020.92
8.2.120.0040.00426.35
8.2.110.0090.00022.33
8.2.100.0000.01219.51
8.2.90.0040.00419.16
8.2.80.0060.00318.66
8.2.70.0040.00417.50
8.2.60.0000.01217.91
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0030.00517.91
8.2.20.0060.00317.91
8.2.10.0070.00317.99
8.2.00.0000.00718.05
8.1.280.0130.00725.92
8.1.270.0080.00022.05
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0030.00620.24
8.1.230.0130.00017.71
8.1.220.0000.00817.77
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0000.00717.23
8.1.180.0040.00418.10
8.1.170.0080.00018.61
8.1.160.0050.00318.78
8.1.150.0040.00418.70
8.1.140.0040.00419.06
8.1.130.0060.00317.43
8.1.120.0040.00417.29
8.1.110.0040.00417.28
8.1.100.0000.00817.27
8.1.90.0030.00517.27
8.1.80.0000.00717.37
8.1.70.0000.00717.38
8.1.60.0040.00417.53
8.1.50.0000.00817.39
8.1.40.0050.00317.50
8.1.30.0000.00717.50
8.1.20.0070.00317.57
8.1.10.0030.00617.44
8.1.00.0000.00717.42
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0070.00018.36
8.0.270.0080.00017.19
8.0.260.0030.00516.79
8.0.250.0030.00316.89
8.0.240.0040.00416.78
8.0.230.0040.00416.87
8.0.220.0020.00516.82
8.0.210.0030.00316.85
8.0.200.0000.00716.89
8.0.190.0080.00016.98
8.0.180.0000.00716.81
8.0.170.0040.00416.80
8.0.160.0030.00316.85
8.0.150.0000.00716.72
8.0.140.0030.00716.79
8.0.130.0030.00313.17
8.0.120.0040.00416.79
8.0.110.0040.00416.78
8.0.100.0030.00616.82
8.0.90.0000.00716.91
8.0.80.0090.01016.83
8.0.70.0040.00416.89
8.0.60.0030.00516.88
8.0.50.0000.00716.86
8.0.30.0160.00317.10
8.0.20.0100.00917.40
8.0.10.0040.00416.77
8.0.00.0170.00716.53
7.4.330.0000.00515.55
7.4.320.0070.00016.36
7.4.300.0000.00716.38
7.4.290.0000.00716.44
7.4.280.0040.00416.57
7.4.270.0000.00816.41
7.4.260.0000.00716.56
7.4.250.0030.00316.51
7.4.240.0000.00716.52
7.4.230.0000.00716.52
7.4.220.0060.01516.48
7.4.210.0080.00916.49
7.4.200.0000.00716.58
7.4.160.0120.00516.40
7.4.150.0110.00817.40
7.4.140.0100.00817.86
7.4.130.0150.00416.45
7.4.120.0130.01016.39
7.4.110.0170.00016.47
7.4.100.0030.01316.45
7.4.90.0090.00916.30
7.4.80.0090.00819.39
7.4.70.0070.01316.50
7.4.60.0080.00816.36
7.4.50.0070.00716.32
7.4.40.0170.00316.45
7.4.30.0100.00716.61
7.4.00.0090.00314.98
7.3.330.0030.00613.10
7.3.320.0000.00513.28
7.3.310.0020.00516.23
7.3.300.0030.00316.23
7.3.290.0030.00316.16
7.3.280.0110.00516.30
7.3.270.0110.00617.40
7.3.260.0130.00716.41
7.3.250.0120.00416.30
7.3.240.0140.00516.46
7.3.230.0160.00016.21
7.3.210.0070.01116.51
7.3.200.0090.00616.39
7.3.190.0060.01016.49
7.3.180.0060.01016.52
7.3.170.0090.00616.46
7.3.160.0060.00916.36
7.3.120.0000.01414.83
7.3.110.0070.01014.75
7.3.100.0000.01314.66
7.3.90.0070.00714.86
7.3.80.0080.00414.83
7.3.70.0030.01414.49
7.3.60.0120.00314.67
7.3.50.0060.00914.98
7.3.40.0040.01114.77
7.3.30.0040.01114.59
7.3.20.0080.00816.81
7.3.10.0030.00816.46
7.3.00.0060.00616.54
7.2.330.0190.00416.71
7.2.320.0060.01216.72
7.2.310.0030.01916.66
7.2.300.0030.01316.32
7.2.290.0070.01016.59
7.2.250.0090.00914.84
7.2.240.0100.00715.13
7.2.230.0030.01315.09
7.2.220.0100.00714.95
7.2.210.0130.00014.90
7.2.200.0110.00415.01
7.2.190.0030.01014.72
7.2.180.0040.00415.05
7.2.170.0040.01114.76
7.2.130.0070.00316.94
7.2.120.0030.01016.90
7.2.110.0020.00916.79
7.2.100.0020.01016.92
7.2.90.0070.00616.94
7.2.80.0040.00916.93
7.2.70.0050.00416.62
7.2.60.0020.01216.77
7.2.50.0020.00916.79
7.2.40.0040.00516.88
7.2.30.0060.01016.79
7.2.20.0030.01016.80
7.2.10.0050.00816.94
7.2.00.0050.00717.72
7.1.330.0060.00915.63
7.1.320.0040.00415.92
7.1.310.0060.00915.52
7.1.300.0090.00315.79
7.1.290.0000.01115.86
7.1.280.0040.00815.74
7.1.270.0060.00915.85
7.1.260.0080.00815.78
7.1.250.0050.00815.75
7.1.200.0070.00715.65
7.1.120.0120.00618.46
7.1.110.0060.01017.91
7.1.100.0070.01117.71
7.1.90.0130.00718.16
7.1.80.0070.00718.11
7.1.70.0050.00817.17
7.1.60.0210.01034.94
7.1.50.0130.01734.68
7.1.40.0130.01734.46
7.1.30.0170.01434.49
7.1.20.0130.01334.56
7.1.10.0040.01516.61
7.1.00.0090.00616.69

preferences:
55.53 ms | 401 KiB | 5 Q