3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = (object) array("123.5"=>"456"); foreach ($object as $key => $value) { echo $key . ' => ' . $value,"\n"; } $object = (object) array(123.5=>"456"); foreach ($object as $key => $value) { echo $key . ' => ' . $value,"\n"; } // neither array key is suitable for identifier of object property b/c identifiers cannot start with a number. Why?

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)
8.3.70.0150.00316.48
8.3.60.0180.00418.55
8.3.50.0100.00821.21
8.3.40.0110.00718.76
8.3.30.0100.00319.17
8.3.20.0040.00420.16
8.3.10.0040.00420.48
8.3.00.0080.00019.38
8.2.180.0130.00318.54
8.2.170.0150.00022.96
8.2.160.0090.00420.21
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00022.06
8.2.110.0060.00320.35
8.2.100.0110.00018.03
8.2.90.0000.00819.25
8.2.80.0050.00317.97
8.2.70.0060.00317.88
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0030.00518.20
8.2.30.0040.00419.29
8.2.20.0050.00217.78
8.2.10.0000.00718.12
8.2.00.0040.00417.71
8.1.280.0070.01425.92
8.1.270.0040.00422.06
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00319.00
8.1.230.0030.00719.22
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00917.22
8.1.180.0030.00618.10
8.1.170.0030.00518.56
8.1.160.0040.00421.97
8.1.150.0030.00618.89
8.1.140.0040.00417.32
8.1.130.0070.00017.83
8.1.120.0040.00417.38
8.1.110.0040.00417.39
8.1.100.0030.00517.39
8.1.90.0000.01117.53
8.1.80.0030.00317.47
8.1.70.0070.00017.37
8.1.60.0090.00017.56
8.1.50.0040.00417.45
8.1.40.0000.00817.55
8.1.30.0030.00617.50
8.1.20.0040.00417.65
8.1.10.0040.00417.43
8.1.00.0030.00717.45
8.0.300.0040.00418.77
8.0.290.0020.00516.73
8.0.280.0070.00018.36
8.0.270.0040.00717.25
8.0.260.0030.00317.15
8.0.250.0000.00617.01
8.0.240.0040.00416.85
8.0.230.0000.00817.02
8.0.220.0070.00016.91
8.0.210.0030.00316.95
8.0.200.0040.00417.07
8.0.190.0080.00016.96
8.0.180.0040.00416.97
8.0.170.0040.00417.01
8.0.160.0090.00016.87
8.0.150.0040.00316.91
8.0.140.0080.00016.98
8.0.130.0000.00613.34
8.0.120.0040.00416.89
8.0.110.0070.00016.98
8.0.100.0070.00016.84
8.0.90.0040.00417.06
8.0.80.0130.00316.95
8.0.70.0070.00016.94
8.0.60.0000.00716.82
8.0.50.0000.00817.00
8.0.30.0130.01017.12
8.0.20.0110.01017.40
8.0.10.0000.00716.99
8.0.00.0100.01016.77
7.4.330.0050.00015.15
7.4.320.0000.00716.44
7.4.300.0000.00816.48
7.4.290.0050.00316.52
7.4.280.0080.00016.47
7.4.270.0070.00016.43
7.4.260.0030.00316.50
7.4.250.0000.00716.45
7.4.240.0030.00316.47
7.4.230.0030.00316.50
7.4.220.0100.01316.70
7.4.210.0090.00616.56
7.4.200.0030.00316.49
7.4.160.0100.01316.59
7.4.150.0090.01217.40
7.4.140.0090.00817.86
7.4.130.0070.00916.46
7.4.120.0160.00416.54
7.4.110.0070.01016.45
7.4.100.0060.01916.49
7.4.90.0110.00616.59
7.4.80.0090.00919.39
7.4.70.0190.00616.55
7.4.60.0070.01016.70
7.4.50.0000.00516.47
7.4.40.0090.01216.32
7.4.30.0090.01316.48
7.4.00.0010.01214.92
7.3.330.0050.00013.16
7.3.320.0000.00513.23
7.3.310.0000.00716.30
7.3.300.0070.00016.32
7.3.290.0030.01016.31
7.3.280.0100.00616.33
7.3.270.0130.00617.40
7.3.260.0150.00316.40
7.3.250.0050.01416.57
7.3.240.0040.01216.46
7.3.230.0070.01016.39
7.3.210.0080.00816.30
7.3.200.0180.00419.39
7.3.190.0140.01016.54
7.3.180.0060.00916.52
7.3.170.0170.00616.50
7.3.160.0070.01616.41
7.3.120.0070.01014.97
7.3.110.0070.01014.84
7.3.100.0000.01814.79
7.3.90.0000.01314.52
7.3.80.0090.00615.11
7.3.70.0130.00614.92
7.3.60.0070.01014.73
7.3.50.0040.01414.48
7.3.40.0060.00914.65
7.3.30.0030.01214.90
7.3.20.0150.00016.71
7.3.10.0100.00316.58
7.3.00.0000.01216.63
7.2.330.0120.00816.80
7.2.320.0130.00816.68
7.2.310.0160.00616.44
7.2.300.0110.00516.38
7.2.290.0120.00616.64
7.2.250.0030.01414.86
7.2.240.0040.01515.10
7.2.230.0040.00815.19
7.2.220.0090.00915.04
7.2.210.0070.01114.57
7.2.200.0130.00015.21
7.2.190.0130.00014.82
7.2.180.0000.01015.04
7.2.170.0080.00415.21
7.2.60.0000.01316.57
7.1.330.0070.00715.79
7.1.320.0070.00315.40
7.1.310.0060.00615.70
7.1.300.0040.01115.83
7.1.290.0030.00615.55
7.1.280.0070.00315.56
7.1.270.0040.01115.68
7.1.260.0070.00715.78
7.1.200.0090.00315.73
7.1.70.0000.00816.92
7.1.60.0030.01419.32
7.1.50.0060.01616.79
7.1.00.0070.07322.48
7.0.200.0000.01016.73
7.0.140.0100.06322.21
7.0.60.0030.04019.86
7.0.50.0030.04717.81
7.0.40.0030.08019.91
7.0.30.0230.08020.20
7.0.20.0270.06320.29
7.0.10.0000.08320.18
7.0.00.0100.05320.32
5.6.280.0030.07320.89
5.6.210.0130.06720.70
5.6.200.0070.03718.22
5.6.190.0070.04020.39
5.6.180.4100.04020.35
5.6.170.0330.07320.37
5.6.160.0100.05720.38
5.6.150.0030.04018.12
5.6.140.0130.05018.16
5.6.130.0130.07718.17
5.6.120.0000.08721.01
5.6.110.0000.04721.00
5.6.100.0170.06721.00
5.6.90.0030.08020.96
5.6.80.0030.04020.42
5.5.350.0270.05020.36
5.5.340.0100.06717.96
5.5.330.0070.03720.19
5.5.320.0330.08320.18
5.5.310.0300.08020.29
5.5.300.0030.05017.91
5.5.290.0170.04717.93
5.5.280.0130.08020.89
5.5.270.0030.08720.76
5.5.260.0000.04320.76
5.5.250.0070.07320.54
5.5.240.0070.07320.19
5.4.450.0170.04719.49
5.4.440.0170.05319.33
5.4.430.0570.05319.54
5.4.420.0630.00019.34
5.4.410.0670.00019.20
5.4.400.0630.00019.39
5.4.390.0630.00019.15
5.4.380.0630.00019.04
5.4.370.0630.00019.04
5.4.360.0600.00019.07
5.4.350.0630.00019.16
5.4.340.0870.00019.18
5.4.320.0040.03712.46
5.4.310.0080.03612.45
5.4.300.0080.03512.45
5.4.290.0070.03712.45
5.4.280.0090.03212.35
5.4.270.0080.03412.35
5.4.260.0080.03612.35
5.4.250.0060.03612.35
5.4.240.0090.03612.35
5.4.230.0070.03612.34
5.4.220.0020.03912.34
5.4.210.0070.03512.34
5.4.200.0060.03612.34
5.4.190.0100.03512.34
5.4.180.0090.03112.34
5.4.170.0070.03312.35
5.4.160.0040.03712.35
5.4.150.0020.04012.34
5.4.140.0030.03912.02
5.4.130.0060.03512.01
5.4.120.0040.04011.97
5.4.110.0070.04611.96
5.4.100.0060.03511.97
5.4.90.0110.03211.96
5.4.80.0060.04011.96
5.4.70.0050.03411.96
5.4.60.0040.03611.96
5.4.50.0080.03311.96
5.4.40.0070.03511.95
5.4.30.0050.03611.95
5.4.20.0060.04011.95
5.4.10.0050.03511.95
5.4.00.0070.03411.43
5.3.290.0040.04012.80
5.3.280.0160.03812.71
5.3.270.0060.03912.73
5.3.260.0090.03812.72
5.3.250.0050.03812.72
5.3.240.0080.03812.72
5.3.230.0100.04012.71
5.3.220.0100.04012.68
5.3.210.0090.03512.68
5.3.200.0060.03712.68
5.3.190.0080.03512.68
5.3.180.0070.03512.68
5.3.170.0040.03812.67
5.3.160.0130.03312.67
5.3.150.0060.03812.68
5.3.140.0060.03512.66
5.3.130.0060.04112.66
5.3.120.0060.03812.66
5.3.110.0090.03512.66
5.3.100.0090.03412.12
5.3.90.0080.03412.09
5.3.80.0080.03612.07
5.3.70.0140.03812.07
5.3.60.0070.03512.07
5.3.50.0060.03612.00
5.3.40.0080.03312.00
5.3.30.0060.03411.95
5.3.20.0090.03911.72
5.3.10.0060.03311.69
5.3.00.0070.03411.68
5.2.170.0070.0279.18
5.2.160.0030.0309.18
5.2.150.0020.0339.18
5.2.140.0030.0319.17
5.2.130.0070.0269.14
5.2.120.0040.0289.13
5.2.110.0060.0359.14
5.2.100.0070.0279.14
5.2.90.0100.0309.14
5.2.80.0060.0289.14
5.2.70.0040.0339.13
5.2.60.0040.0309.09
5.2.50.0040.0309.06
5.2.40.0100.0269.03
5.2.30.0080.0269.01
5.2.20.0080.0309.00
5.2.10.0050.0298.94
5.2.00.0060.0288.72
5.1.60.0030.0268.06
5.1.50.0090.0238.06
5.1.40.0020.0268.04
5.1.30.0050.0258.39
5.1.20.0030.0288.41
5.1.10.0040.0268.14
5.1.00.0060.0248.14
5.0.50.0050.0196.62
5.0.40.0020.0206.48
5.0.30.0040.0306.29
5.0.20.0060.0236.28
5.0.10.0050.0266.26
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0020.0174.75
4.4.60.0040.0144.76
4.4.50.0030.0154.77
4.4.40.0050.0244.71
4.4.30.0040.0144.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0050.0224.76
4.3.110.0040.0244.67
4.3.100.0020.0174.66
4.3.90.0060.0114.63
4.3.80.0020.0254.59
4.3.70.0020.0154.63
4.3.60.0050.0174.63
4.3.50.0020.0164.63
4.3.40.0030.0234.53
4.3.30.0040.0143.32
4.3.20.0020.0153.30
4.3.10.0030.0203.26
4.3.00.0000.02013.34

preferences:
54.67 ms | 401 KiB | 5 Q