3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = get_object_vars(json_decode('{"2":1}')); $y = (object)$x; $exprs = ['isset($x[2])', 'isset($x["2"])', 'isset($y->{2})', 'isset($y->{"2"})', '$x', '$y']; var_dump(array_map(function ($expr) use ($x, $y) { return eval("return $expr;"); }, array_combine($exprs, $exprs)));

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)
8.3.70.0060.01216.50
8.3.60.0040.01118.43
8.3.50.0130.00821.14
8.3.40.0120.00618.52
8.3.30.0140.00718.70
8.3.20.0040.00420.30
8.3.10.0000.00823.47
8.3.00.0080.00019.25
8.2.180.0070.01018.41
8.2.170.0120.00622.96
8.2.160.0140.00019.41
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00420.57
8.2.120.0040.00426.35
8.2.110.0080.00320.91
8.2.100.0150.00017.97
8.2.90.0040.00419.21
8.2.80.0000.00818.05
8.2.70.0000.00817.75
8.2.60.0060.00318.04
8.2.50.0000.00818.10
8.2.40.0040.00420.46
8.2.30.0000.00919.33
8.2.20.0000.00818.03
8.2.10.0060.00318.42
8.2.00.0050.00318.43
8.1.280.0040.01125.92
8.1.270.0080.00023.91
8.1.260.0030.00626.35
8.1.250.0070.00328.09
8.1.240.0030.00723.79
8.1.230.0090.00319.23
8.1.220.0090.00017.91
8.1.210.0060.00318.77
8.1.200.0100.00017.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0050.00218.86
8.1.150.0050.00320.20
8.1.140.0000.00719.55
8.1.130.0030.00318.97
8.1.120.0040.00417.49
8.1.110.0030.00517.45
8.1.100.0080.00017.43
8.1.90.0000.00717.37
8.1.80.0030.00517.49
8.1.70.0030.00317.35
8.1.60.0030.00617.55
8.1.50.0040.00417.52
8.1.40.0030.00517.46
8.1.30.0030.00717.57
8.1.20.0040.00417.55
8.1.10.0040.00417.48
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.50
8.0.270.0030.00317.26
8.0.260.0050.00319.13
8.0.250.0000.00716.98
8.0.240.0080.00016.85
8.0.230.0070.00316.97
8.0.220.0030.00316.78
8.0.210.0050.00216.90
8.0.200.0030.00316.93
8.0.190.0040.00417.04
8.0.180.0040.00416.99
8.0.170.0050.00316.94
8.0.160.0050.00216.93
8.0.150.0000.00716.89
8.0.140.0040.00416.84
8.0.130.0060.00013.32
8.0.120.0030.00516.94
8.0.110.0000.00717.00
8.0.100.0000.00816.74
8.0.90.0000.00816.89
8.0.80.0040.01116.83
8.0.70.0000.00716.98
8.0.60.0050.00316.71
8.0.50.0000.00816.78
8.0.30.0070.00917.14
8.0.20.0130.00617.40
8.0.10.0000.00817.07
8.0.00.0070.01316.90
7.4.330.0000.00515.55
7.4.320.0060.00016.55
7.4.300.0030.00316.46
7.4.290.0070.00016.44
7.4.280.0040.00416.56
7.4.270.0080.00016.61
7.4.260.0000.01016.48
7.4.250.0040.00416.56
7.4.240.0030.00316.55
7.4.230.0000.00716.50
7.4.220.0070.01116.53
7.4.210.0050.01116.63
7.4.200.0070.00016.43
7.4.160.0060.00916.56
7.4.150.0090.00917.40
7.4.140.0120.01017.86
7.4.130.0110.00716.38
7.4.120.0120.01316.56
7.4.110.0030.01416.49
7.4.100.0110.00716.38
7.4.90.0090.01216.58
7.4.80.0040.01219.39
7.4.70.0090.00916.61
7.4.60.0090.00616.61
7.4.50.0070.00716.40
7.4.40.0140.00316.41
7.4.30.0100.00716.65
7.4.00.0060.00915.04
7.3.330.0020.00213.39
7.3.320.0060.00013.41
7.3.310.0030.00316.36
7.3.300.0070.00016.33
7.3.290.0000.00716.25
7.3.280.0100.00916.38
7.3.270.0070.01017.40
7.3.260.0110.00816.47
7.3.240.0100.00716.32
7.3.230.0040.01416.37
7.3.210.0070.01016.37
7.3.200.0070.01016.55
7.3.190.0090.00816.16
7.3.180.0100.00816.35
7.3.170.0090.01516.21
7.3.160.0160.00916.48
7.3.120.0090.00914.89
7.3.110.0080.01114.82
7.3.100.0070.00714.99
7.3.90.0050.00515.03
7.3.80.0000.00915.08
7.3.70.0090.00314.89
7.3.60.0040.00814.75
7.3.50.0060.00914.95
7.3.40.0100.00314.84
7.3.30.0030.00814.78
7.3.20.0100.00316.72
7.3.10.0030.01016.70
7.3.00.0030.00716.93
7.2.330.0150.00316.68
7.2.320.0110.00716.52
7.2.310.0120.00616.80
7.2.300.0000.01616.52
7.2.290.0090.00916.79
7.2.250.0090.00914.96
7.2.240.0070.01014.95
7.2.230.0040.00815.28
7.2.220.0000.00915.18
7.2.210.0070.00714.93
7.2.200.0080.00414.96
7.2.190.0100.00314.84
7.2.180.0100.00315.05
7.2.170.0070.00715.07
7.2.60.0060.00817.03
7.2.50.0080.00817.07
7.2.00.0090.00619.63
7.1.330.0030.01015.94
7.1.320.0000.01115.90
7.1.310.0070.01016.00
7.1.300.0030.01015.97
7.1.290.0000.01615.84
7.1.280.0080.00415.76
7.1.270.0000.01015.48
7.1.260.0030.00915.71
7.1.200.0090.00615.53
7.1.70.0040.00417.25
7.1.60.0030.01017.00
7.1.50.0060.01017.08
7.1.40.0130.01334.27
7.1.30.0170.01034.33
7.1.20.0130.01334.48
7.1.10.0030.01316.42
7.1.00.0170.00016.55
7.0.200.0070.01016.89
7.0.180.0070.00315.90
7.0.170.0070.00316.30
7.0.160.0000.01316.09
7.0.150.0030.01316.17
7.0.140.0100.00716.15
7.0.130.0030.01016.30
7.0.120.0070.00716.14
7.0.110.0030.01016.17
7.0.100.0070.00716.16
7.0.90.0000.01316.16
7.0.80.0070.00716.21
7.0.70.0070.01016.13
7.0.60.0030.01015.81
7.0.50.0030.01316.23
7.0.40.0070.00316.38
7.0.30.0000.01316.54
7.0.20.0070.00716.24
7.0.10.0100.00716.43
7.0.00.0070.01016.27

preferences:
53.14 ms | 401 KiB | 5 Q