3v4l.org

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

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)
8.3.60.0150.00018.31
8.3.50.0150.00521.14
8.3.40.0070.00718.79
8.3.30.0060.01318.86
8.3.20.0070.00020.18
8.3.10.0000.00821.81
8.3.00.0000.00822.34
8.2.180.0150.00616.38
8.2.170.0070.00722.96
8.2.160.0110.00420.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00317.63
8.2.110.0030.00620.36
8.2.100.0060.00617.75
8.2.90.0000.00819.22
8.2.80.0060.00317.97
8.2.70.0060.00317.59
8.2.60.0080.00018.04
8.2.50.0060.00318.07
8.2.40.0000.00821.06
8.2.30.0000.00819.91
8.2.20.0080.00017.75
8.2.10.0070.00018.15
8.2.00.0040.00418.12
8.1.280.0070.01025.92
8.1.270.0060.00320.36
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.02
8.1.230.0110.00017.48
8.1.220.0040.00417.78
8.1.210.0090.00018.77
8.1.200.0090.00017.35
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0100.00021.93
8.1.150.0040.00418.80
8.1.140.0050.00317.50
8.1.130.0090.00017.70
8.1.120.0030.00517.45
8.1.110.0000.00817.50
8.1.100.0050.00217.43
8.1.90.0040.00417.43
8.1.80.0070.00017.38
8.1.70.0000.00717.45
8.1.60.0030.00517.61
8.1.50.0060.00317.39
8.1.40.0000.00817.54
8.1.30.0000.00817.67
8.1.20.0040.00417.61
8.1.10.0080.00017.50
8.1.00.0000.00717.34
8.0.300.0060.00318.77
8.0.290.0050.00216.75
8.0.280.0000.00818.45
8.0.270.0030.00317.29
8.0.260.0000.00617.19
8.0.250.0040.00416.87
8.0.240.0070.00016.85
8.0.230.0040.00416.95
8.0.220.0000.00716.79
8.0.210.0040.00416.78
8.0.200.0060.00016.91
8.0.190.0080.00016.96
8.0.180.0000.00716.89
8.0.170.0000.00816.89
8.0.160.0070.00016.99
8.0.150.0000.00816.87
8.0.140.0070.00016.85
8.0.130.0030.00313.33
8.0.120.0080.00016.85
8.0.110.0050.00216.84
8.0.100.0070.00016.82
8.0.90.0040.00416.82
8.0.80.0090.01316.82
8.0.70.0070.00016.79
8.0.60.0040.00416.67
8.0.50.0040.00416.88
8.0.30.0100.00717.14
8.0.20.0070.01217.40
8.0.10.0020.00516.96
8.0.00.0140.00716.84
7.4.330.0030.00315.08
7.4.320.0000.00716.50
7.4.300.0050.00216.59
7.4.290.0030.00516.52
7.4.280.0060.00316.59
7.4.270.0030.00316.43
7.4.260.0000.00716.63
7.4.250.0000.00816.37
7.4.240.0030.00316.53
7.4.230.0000.00716.67
7.4.220.0070.01116.63
7.4.210.0020.01316.55
7.4.200.0070.00016.70
7.4.160.0100.00716.54
7.4.150.0140.00317.40
7.4.140.0110.01117.86
7.4.130.0140.00516.51
7.4.120.0130.00616.61
7.4.110.0100.00616.40
7.4.100.0130.01216.37
7.4.90.0140.00416.59
7.4.80.0150.00319.39
7.4.70.0060.00916.56
7.4.60.0160.00616.53
7.4.50.0000.00816.46
7.4.40.0070.01016.26
7.4.30.0040.01316.46
7.4.00.0130.00014.86
7.3.330.0030.00313.02
7.3.320.0050.00013.22
7.3.310.0050.00316.34
7.3.300.0000.00616.27
7.3.290.0070.00016.17
7.3.280.0070.01016.23
7.3.270.0100.00717.40
7.3.260.0090.01216.40
7.3.250.0060.01316.35
7.3.240.0100.00716.24
7.3.230.0070.01016.68
7.3.210.0070.01116.29
7.3.200.0040.01119.39
7.3.190.0100.00616.40
7.3.180.0090.01416.44
7.3.170.0100.01316.34
7.3.160.0040.00716.49
7.3.10.0040.01116.54
7.3.00.0070.01016.82
7.2.330.0060.01316.52
7.2.320.0080.01216.55
7.2.310.0150.00516.46
7.2.300.0110.00616.56
7.2.290.0120.00616.72
7.2.130.0120.00316.95
7.2.120.0000.01517.02
7.2.110.0070.01016.98
7.2.100.0030.01017.04
7.2.90.0040.00716.75
7.2.80.0070.00717.03
7.2.70.0060.00617.02
7.2.60.0070.00716.92
7.2.50.0120.00316.63
7.2.40.0100.00716.73
7.2.30.0030.00616.99
7.2.20.0070.01017.05
7.2.10.0060.00917.05
7.2.00.0030.01418.28
7.1.250.0050.00315.57
7.1.200.0060.00615.54
7.1.100.0000.01318.19
7.1.70.0040.00816.98
7.1.60.0000.02520.03
7.1.50.0070.01716.93
7.1.00.0030.09022.34
7.0.200.0240.00414.97
7.0.60.0070.09319.94
7.0.50.0100.08017.86
7.0.40.0100.08720.13
7.0.30.0200.08320.20
7.0.20.0230.03320.06
7.0.10.0100.08720.09
7.0.00.0070.08720.23
5.6.280.0000.07320.99
5.6.210.0070.04720.49
5.6.200.0070.06718.19
5.6.190.0070.08020.41
5.6.180.0370.05720.77
5.6.170.0200.08020.61
5.6.160.0130.07720.48
5.6.150.0070.08018.22
5.6.140.0030.08018.21
5.6.130.0100.08318.12
5.6.120.0000.05720.98
5.6.110.0170.07021.02
5.6.100.0070.07021.04
5.6.90.0170.08021.12
5.6.80.0030.08320.50
5.6.70.4470.04320.51
5.5.350.0170.04020.44
5.5.340.0100.07017.96
5.5.330.0130.05020.47
5.5.320.0370.05020.34
5.5.310.0230.09020.26
5.5.300.0070.08317.96
5.5.290.0030.05017.98
5.5.280.0130.08320.84
5.5.270.0170.06320.76
5.5.260.0000.09320.95
5.5.250.0030.06320.71
5.5.240.0200.06720.23
5.4.450.0670.05719.61
5.4.440.0800.04719.46
5.4.430.0930.05319.48
5.4.420.0800.06719.54
5.4.410.0730.06019.32
5.4.400.0730.04718.95
5.4.390.0770.04719.16
5.4.380.0600.05318.77
5.4.370.0100.05318.95
5.4.360.0330.04718.80
5.4.350.0700.04719.30
5.4.340.0800.05318.79
5.4.320.1000.06718.77
5.4.310.0830.07319.11
5.4.300.0770.05018.95
5.4.290.0570.05018.77
5.4.280.0830.04718.77
5.4.270.0700.04719.27
5.4.260.0730.05019.27
5.4.250.0900.04718.99
5.4.240.0770.04719.09
5.4.230.0800.05019.08
5.4.220.0870.05319.29
5.4.210.0600.05019.20
5.4.200.0770.05316.72
5.4.190.0830.04719.10
5.4.180.0930.06718.84
5.4.170.0770.05319.10
5.4.160.0600.05318.88
5.4.150.0030.06018.97
5.4.140.0530.07016.38
5.4.130.0800.05316.45
5.4.120.0900.04016.33
5.4.110.0630.05016.10
5.4.100.0870.05016.36
5.4.90.0830.04716.45
5.4.80.0730.05016.43
5.4.70.0570.06016.14
5.4.60.0230.05716.38
5.4.50.0030.04316.39
5.4.40.0270.06716.19
5.4.30.0300.03016.44
5.4.20.0270.05316.38

preferences:
93.53 ms | 401 KiB | 5 Q