3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new stdClass(); $object->{'1'} = 'one'; $array = (array) $object; var_dump($array); var_dump(key($array));

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)
8.3.60.0170.00316.61
8.3.50.0130.00721.98
8.3.40.0070.00718.56
8.3.30.0040.01118.45
8.3.20.0050.00320.20
8.3.10.0080.00023.70
8.3.00.0080.00019.25
8.2.180.0090.00616.50
8.2.170.0100.00722.96
8.2.160.0100.01020.38
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0060.00317.38
8.2.120.0000.00826.35
8.2.110.0030.00622.08
8.2.100.0080.00421.13
8.2.90.0050.00319.13
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0080.00017.91
8.2.50.0000.00818.07
8.2.40.0040.00419.39
8.2.30.0070.00020.64
8.2.20.0080.00417.50
8.2.10.0030.00617.98
8.2.00.0000.00717.98
8.1.280.0090.00925.92
8.1.270.0090.00023.98
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0050.00523.79
8.1.230.0070.00419.06
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.38
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00421.95
8.1.150.0040.00418.80
8.1.140.0000.00819.43
8.1.130.0040.00417.54
8.1.120.0070.00317.32
8.1.110.0040.00417.39
8.1.100.0040.00417.43
8.1.90.0000.00717.28
8.1.80.0000.00717.44
8.1.70.0040.00417.31
8.1.60.0000.00817.57
8.1.50.0080.00017.57
8.1.40.0000.00817.41
8.1.30.0050.00517.67
8.1.20.0040.00417.64
8.1.10.0000.00717.52
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0070.00018.26
8.0.270.0070.00017.20
8.0.260.0000.00717.11
8.0.250.0040.00416.86
8.0.240.0000.00616.77
8.0.230.0050.00316.86
8.0.220.0000.00716.82
8.0.210.0040.00416.81
8.0.200.0030.00316.91
8.0.190.0000.00816.89
8.0.180.0000.00716.88
8.0.170.0000.00816.75
8.0.160.0070.00016.81
8.0.150.0040.00416.82
8.0.140.0000.00816.84
8.0.130.0000.00713.26
8.0.120.0000.00816.68
8.0.110.0070.00016.81
8.0.100.0050.00316.66
8.0.90.0050.00216.75
8.0.80.0080.00816.90
8.0.70.0000.00816.69
8.0.60.0000.00716.86
8.0.50.0040.00416.85
8.0.30.0100.01117.05
8.0.20.0050.01317.40
8.0.10.0040.00416.98
8.0.00.0060.01216.62
7.4.330.0050.00016.67
7.4.320.0000.00716.43
7.4.300.0030.00316.60
7.4.290.0050.00316.52
7.4.280.0040.00416.50
7.4.270.0040.00416.53
7.4.260.0000.00716.40
7.4.250.0040.00416.51
7.4.240.0040.00416.57
7.4.230.0000.00816.61
7.4.220.0080.01116.71
7.4.210.0040.01116.61
7.4.200.0000.00716.41
7.4.160.0090.00616.46
7.4.150.0100.00717.40
7.4.140.0120.00817.86
7.4.130.0090.01016.58
7.4.120.0110.00616.54
7.4.110.0060.01216.54
7.4.100.0030.01716.51
7.4.90.0100.00716.40
7.4.80.0030.01819.39
7.4.70.0100.00716.43
7.4.60.0040.01216.44
7.4.50.0030.01316.50
7.4.40.0090.00916.29
7.4.30.0190.00316.33
7.4.00.0060.00915.14
7.3.330.0030.00513.11
7.3.320.0000.00513.14
7.3.310.0030.00316.31
7.3.300.0030.00316.29
7.3.290.0060.00916.29
7.3.280.0060.01216.27
7.3.270.0070.01017.40
7.3.260.0070.01116.16
7.3.250.0100.01016.29
7.3.240.0100.01216.31
7.3.230.0030.02016.39
7.3.210.0060.01216.47
7.3.200.0090.00616.55
7.3.190.0070.01316.16
7.3.180.0090.00916.26
7.3.170.0070.01516.52
7.3.160.0040.01216.30
7.2.330.0100.00716.80
7.2.320.0000.02616.55
7.2.310.0080.00816.58
7.2.300.0100.01316.39
7.2.290.0100.00616.50
7.2.60.0250.01016.41
7.2.00.0040.01119.27
7.1.200.0080.00315.77
7.1.100.0060.00618.23
7.1.70.0020.00517.21
7.1.60.0090.00919.12
7.1.50.0040.00816.89
7.1.00.0000.08022.48
7.0.200.0560.00714.69
7.0.60.0000.06719.94
7.0.50.0000.04317.88
7.0.40.0030.09320.07
7.0.30.0230.08020.04
7.0.20.0330.05720.30
7.0.10.0030.04320.05
7.0.00.0030.06020.08
5.6.280.0030.03021.07
5.6.210.0000.07320.71
5.6.200.0100.04318.22
5.6.190.0030.06020.67
5.6.180.0270.07720.60
5.6.170.0230.08020.33
5.6.160.0200.07320.50
5.6.150.0100.04318.18
5.6.140.0000.08318.09
5.6.130.0030.04018.20
5.6.120.0000.05721.02
5.6.110.0070.05720.94
5.6.100.0130.06721.11
5.6.90.0070.05720.96
5.6.80.0170.06320.43
5.5.350.4230.03720.38
5.5.340.0030.08317.89
5.5.330.0170.08020.19
5.5.320.0030.08320.32
5.5.310.0270.03320.21
5.5.300.0070.08017.98
5.5.290.0000.04317.96
5.5.280.0070.07720.84
5.5.270.0030.08720.82
5.5.260.0070.05020.88
5.5.250.0000.08720.71
5.5.240.0230.04320.24

preferences:
50.04 ms | 401 KiB | 5 Q