3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new stdClass(); $object->{'1'} = 'one'; echo $object->{'1'}; $array = (array) $object; $test = '1'; echo $array[$test]; //var_dump($array); /* produces array(1) { ["1"]=> string(3) "one" } */ //none of the following will work $key = '1'; echo $array[1], $array['1'], $array["1"], $array[(string)1], $array[$key];

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)
8.3.60.0100.00516.63
8.3.50.0160.00522.18
8.3.40.0120.00319.09
8.3.30.0070.00718.61
8.3.20.0080.00020.18
8.3.10.0000.00823.53
8.3.00.0040.00419.31
8.2.180.0040.01118.29
8.2.170.0120.00322.96
8.2.160.0110.00420.35
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0100.00017.50
8.2.120.0040.00426.35
8.2.110.0070.00320.52
8.2.100.0040.00817.84
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0050.00317.62
8.2.60.0080.00018.03
8.2.50.0000.00818.07
8.2.40.0000.00819.41
8.2.30.0070.00020.62
8.2.20.0030.00617.73
8.2.10.0040.00417.89
8.2.00.0050.00218.06
8.1.280.0070.00725.92
8.1.270.0000.01024.00
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0130.00017.42
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0000.00817.25
8.1.180.0070.00018.10
8.1.170.0040.00418.71
8.1.160.0070.00021.93
8.1.150.0000.00818.84
8.1.140.0080.00019.44
8.1.130.0000.00717.70
8.1.120.0040.00417.42
8.1.110.0030.00317.29
8.1.100.0000.00717.30
8.1.90.0030.00517.48
8.1.80.0000.00817.34
8.1.70.0070.00017.42
8.1.60.0040.00417.59
8.1.50.0040.00417.43
8.1.40.0080.00017.57
8.1.30.0060.00317.61
8.1.20.0040.00417.65
8.1.10.0000.00817.60
8.1.00.0050.00317.45
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.39
8.0.270.0000.00717.14
8.0.260.0040.00417.15
8.0.250.0040.00416.99
8.0.240.0000.00717.04
8.0.230.0050.00216.98
8.0.220.0030.00516.91
8.0.210.0070.00016.87
8.0.200.0040.00416.92
8.0.190.0000.00716.92
8.0.180.0050.00316.89
8.0.170.0040.00416.93
8.0.160.0000.00716.93
8.0.150.0030.00316.90
8.0.140.0080.00016.80
8.0.130.0000.00613.34
8.0.120.0040.00416.90
8.0.110.0040.00416.87
8.0.100.0040.00416.87
8.0.90.0040.00416.88
8.0.80.0000.01716.95
8.0.70.0030.00617.02
8.0.60.0000.00716.78
8.0.50.0000.00716.79
8.0.30.0060.00917.20
8.0.20.0100.00917.40
8.0.10.0050.00316.92
8.0.00.0090.01016.87
7.4.330.0000.00516.70
7.4.320.0050.00216.66
7.4.300.0040.00416.52
7.4.290.0030.00316.59
7.4.280.0040.00416.60
7.4.270.0000.00716.53
7.4.260.0030.00316.55
7.4.250.0000.00816.50
7.4.240.0030.00416.49
7.4.230.0050.00216.59
7.4.220.0160.00316.50
7.4.210.0140.00016.61
7.4.200.0030.00316.48
7.4.160.0120.00316.38
7.4.150.0120.00617.40
7.4.140.0180.00317.86
7.4.130.0040.01316.41
7.4.120.0090.01016.55
7.4.110.0090.00916.45
7.4.100.0090.00916.48
7.4.90.0070.01016.47
7.4.80.0090.00619.39
7.4.70.0080.00816.68
7.4.60.0110.00516.50
7.4.50.0030.01316.46
7.4.40.0040.01816.57
7.4.30.0150.00616.55
7.4.00.0070.01014.88
7.3.330.0050.00013.22
7.3.320.0000.00513.27
7.3.310.0030.00316.48
7.3.300.0000.00716.38
7.3.290.0070.00716.34
7.3.280.0080.00916.31
7.3.270.0030.01417.40
7.3.260.0000.01616.46
7.3.250.0120.00616.38
7.3.240.0150.00616.45
7.3.230.0130.00316.39
7.3.210.0080.00916.42
7.3.200.0100.01316.34
7.3.190.0060.01616.32
7.3.180.0060.00916.56
7.3.170.0100.01316.52
7.3.160.0080.00816.34
7.3.120.0070.01014.84
7.3.110.0040.01414.89
7.3.100.0090.00614.86
7.3.90.0030.00714.82
7.3.80.0070.00314.86
7.3.70.0120.00014.95
7.3.60.0100.00014.55
7.3.50.0000.01714.69
7.3.40.0060.00314.82
7.3.30.0070.00714.68
7.3.20.0100.00316.62
7.3.10.0130.00016.62
7.3.00.0080.00816.64
7.2.330.0100.00716.87
7.2.320.0120.01116.57
7.2.310.0070.01516.79
7.2.300.0110.00616.85
7.2.290.0110.00616.91
7.2.250.0030.01714.81
7.2.240.0060.00614.98
7.2.230.0120.00614.97
7.2.220.0100.00315.07
7.2.210.0000.01115.21
7.2.200.0030.01215.10
7.2.190.0060.00615.18
7.2.180.0070.00414.93
7.2.170.0030.00914.88
7.2.60.0090.00316.97
7.2.00.0040.00719.50
7.1.330.0100.00315.77
7.1.320.0070.00715.91
7.1.310.0030.01215.62
7.1.300.0060.00915.74
7.1.290.0030.00615.88
7.1.280.0030.01115.92
7.1.270.0100.00015.67
7.1.260.0070.00315.85
7.1.200.0060.00615.63
7.1.100.0000.01118.00
7.1.70.0000.01017.06
7.1.60.0100.01619.12
7.1.50.0110.00016.92
7.1.00.0000.08022.54
7.0.200.0030.00616.37
7.0.60.0070.04319.97
7.0.50.0100.06317.83
7.0.40.0030.09320.20
7.0.30.0300.06720.02
7.0.20.0370.07720.30
7.0.10.0100.05720.21
7.0.00.0070.07320.10
5.6.280.0000.06720.78
5.6.210.0070.08720.74
5.6.200.0030.08718.22
5.6.190.0100.03720.39
5.6.180.0230.04020.27
5.6.170.0170.09020.62
5.6.160.0100.03720.32
5.6.150.0130.07318.08
5.6.140.0030.08718.07
5.6.130.0100.07718.18
5.6.120.0000.05021.14
5.6.110.0030.07020.97
5.6.100.0030.09020.88
5.6.90.0030.08720.96
5.6.80.0130.07320.50
5.5.350.2700.04020.41
5.5.340.0000.04317.97
5.5.330.0030.09020.36
5.5.320.0000.04720.18
5.5.310.0300.04320.21
5.5.300.0070.05318.04
5.5.290.0130.08017.98
5.5.280.0130.06720.87
5.5.270.0130.08020.96
5.5.260.0100.08020.96
5.5.250.0100.08020.68
5.5.240.0230.03320.26

preferences:
42.18 ms | 401 KiB | 5 Q