3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdclass; $x->{"whatever"} = 1337; $x = (array)$x; var_dump($x); //$x = array("42" => 1337); foreach ($x as $key => $value) { var_dump($key); if (!array_key_exists((string)$key, $x)) echo 'wtf'; } ?>

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)
8.3.40.0040.01418.67
8.3.30.0110.01118.72
8.3.20.0030.00520.21
8.3.10.0040.00423.57
8.3.00.0080.00022.45
8.2.170.0120.00322.96
8.2.160.0090.00620.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00017.63
8.2.110.0060.00321.14
8.2.100.0000.01117.84
8.2.90.0050.00319.34
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00821.14
8.2.30.0000.00719.91
8.2.20.0030.00517.75
8.2.10.0040.00418.12
8.2.00.0000.00718.21
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00321.27
8.1.230.0090.00317.64
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0060.00317.35
8.1.180.0030.00518.10
8.1.170.0030.00618.70
8.1.160.0030.00621.93
8.1.150.0040.00418.98
8.1.140.0040.00417.31
8.1.130.0000.01017.76
8.1.120.0040.00417.46
8.1.110.0000.00717.52
8.1.100.0070.00017.47
8.1.90.0040.00417.44
8.1.80.0040.00317.34
8.1.70.0000.00717.33
8.1.60.0060.00317.62
8.1.50.0000.00917.58
8.1.40.0040.00417.41
8.1.30.0040.00417.50
8.1.20.0050.00217.56
8.1.10.0000.00817.41
8.1.00.0080.00017.39
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0040.00418.48
8.0.270.0030.00317.27
8.0.260.0030.00317.29
8.0.250.0040.00416.93
8.0.240.0030.00316.95
8.0.230.0030.00316.79
8.0.220.0030.00516.88
8.0.210.0070.00016.78
8.0.200.0060.00016.91
8.0.190.0000.00816.93
8.0.180.0040.00416.93
8.0.170.0000.00716.76
8.0.160.0050.00216.88
8.0.150.0040.00416.79
8.0.140.0030.00416.86
8.0.130.0000.00513.32
8.0.120.0050.00316.88
8.0.110.0000.00716.93
8.0.100.0040.00416.78
8.0.90.0000.00816.93
8.0.80.0120.00316.84
8.0.70.0000.00716.90
8.0.60.0030.00516.88
8.0.50.0040.00416.67
8.0.30.0070.01116.88
8.0.20.0090.01517.40
8.0.10.0040.00416.89
8.0.00.0110.00716.71
7.4.330.0030.00315.09
7.4.320.0030.00316.59
7.4.300.0060.00016.61
7.4.290.0100.00016.48
7.4.280.0070.00016.36
7.4.270.0070.00016.63
7.4.260.0030.00316.58
7.4.250.0040.00416.59
7.4.240.0020.00616.59
7.4.230.0060.00016.49
7.4.220.0060.01016.62
7.4.210.0070.00716.58
7.4.200.0070.00016.39
7.4.160.0100.00616.36
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0110.00616.54
7.4.120.0110.00716.35
7.4.110.0060.01216.63
7.4.100.0090.00916.44
7.4.90.0090.00916.49
7.4.80.0160.00319.39
7.4.70.0110.00616.40
7.4.60.0090.00616.41
7.4.50.0040.00416.43
7.4.40.0070.01016.38
7.4.30.0120.01216.41
7.4.00.0060.01014.97
7.3.330.0040.00413.12
7.3.320.0000.00513.29
7.3.310.0040.00416.17
7.3.300.0060.00016.32
7.3.290.0000.00616.30
7.3.280.0080.00816.25
7.3.270.0090.00917.40
7.3.260.0090.00916.57
7.3.250.0110.00616.25
7.3.240.0140.00316.27
7.3.230.0160.00416.54
7.3.210.0030.01616.71
7.3.200.0100.00719.39
7.3.190.0110.00816.51
7.3.180.0100.00516.28
7.3.170.0100.01316.43
7.3.160.0130.01016.53
7.3.10.0040.01116.14
7.3.00.0160.00316.51
7.2.330.0060.01116.69
7.2.320.0030.01516.71
7.2.310.0190.00616.72
7.2.300.0130.00416.66
7.2.290.0030.01416.72
7.2.130.0100.00516.71
7.2.120.0180.00416.98
7.2.110.0000.02016.79
7.2.100.0090.01216.76
7.2.90.0060.01116.85
7.2.80.0090.00916.72
7.2.70.0100.01016.84
7.2.60.0040.01116.76
7.2.50.0090.00916.83
7.2.40.0070.00716.71
7.2.30.0030.01016.73
7.2.20.0090.00916.59
7.2.10.0090.00916.41
7.2.00.0100.00317.75
7.1.250.0160.00615.53
7.1.100.0070.00718.05
7.1.70.0000.01017.21
7.1.60.0100.01620.03
7.1.50.0100.01016.89
7.1.00.0030.07722.36
7.0.200.0410.00014.97
7.0.60.0070.04721.76
7.0.50.0030.06017.90
7.0.40.0100.07720.40
7.0.30.0700.06020.17
7.0.20.0330.06720.16
7.0.10.0000.07320.17
7.0.00.0130.06020.16
5.6.210.0130.08020.74
5.6.200.0100.07318.13
5.6.190.0200.07020.44
5.6.180.3070.04720.41
5.6.170.0170.04320.51
5.6.160.0070.05720.48
5.6.150.0030.04318.18
5.6.140.0070.04018.09
5.6.130.0070.04018.18
5.6.120.0070.08321.00
5.6.110.0030.04321.07
5.6.100.0130.08020.98
5.6.90.0170.07021.02
5.6.80.0070.05320.52
5.5.350.0330.06720.43
5.5.340.0070.05017.92
5.5.330.0000.06720.23
5.5.320.0270.04320.15
5.5.310.0330.04320.14
5.5.300.0070.04717.94
5.5.290.0000.08717.98
5.5.280.0170.07320.69
5.5.270.0100.03720.88
5.5.260.0100.08320.86
5.5.250.0030.08320.77
5.5.240.0130.06720.25
5.4.450.0630.05719.52
5.4.440.0670.05319.60
5.4.430.0600.06019.41
5.4.420.0770.06019.48
5.4.410.0730.05318.98
5.4.400.0870.05718.78
5.4.390.0770.06319.11
5.4.380.0570.05718.90
5.4.370.0630.05719.12
5.4.360.0600.05719.09
5.4.350.0830.06019.02
5.4.340.0800.05719.09
5.4.320.0700.06719.23
5.4.310.0770.06018.78
5.4.300.0830.05319.16
5.4.290.0800.05719.09
5.4.280.0730.05719.25
5.4.270.0700.07319.16
5.4.260.1030.06319.32
5.4.250.0800.05018.79
5.4.240.0830.06319.31
5.4.230.1000.05319.15
5.4.220.0700.05319.13
5.4.210.0530.06019.03
5.4.200.0770.04016.52
5.4.190.0630.04718.97
5.4.180.0770.03719.07
5.4.170.0670.05318.85
5.4.160.0570.05718.82
5.4.150.0700.06018.75
5.4.140.0670.04716.18
5.4.130.0600.04716.25
5.4.120.0570.05316.41
5.4.110.0600.04716.27
5.4.100.0470.06316.41
5.4.90.0600.05316.23
5.4.80.0570.05316.21
5.4.70.0600.05016.17
5.4.60.0270.02316.20
5.4.50.0030.07316.36
5.4.40.0230.03716.36
5.4.30.0300.03716.45
5.4.20.0330.06716.43

preferences:
50 ms | 400 KiB | 5 Q