3v4l.org

run code in 300+ PHP versions simultaneously
<?php $h = null; for($i=0; $i<100; $i++) { $k = new stdClass; $k->pack = $h; $h = $k; } var_dump($h);

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)
8.3.60.0060.01018.18
8.3.50.0140.00321.84
8.3.40.0100.00718.71
8.3.30.0140.00318.91
8.3.20.0040.01820.14
8.3.10.0040.00422.00
8.3.00.0200.00022.30
8.2.180.0170.00016.75
8.2.170.0110.01122.96
8.2.160.0130.00320.72
8.2.150.0090.00024.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0000.01022.08
8.2.100.0060.00617.66
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0060.00317.48
8.2.60.0090.00017.68
8.2.50.0050.00318.07
8.2.40.0040.00717.96
8.2.30.0060.00318.07
8.2.20.0040.00417.65
8.2.10.0060.00317.76
8.2.00.0030.00617.70
8.1.280.0130.00625.92
8.1.270.0080.00023.99
8.1.260.0060.00926.35
8.1.250.0080.00828.09
8.1.240.0070.00323.83
8.1.230.0120.00019.22
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00917.35
8.1.190.0040.00417.29
8.1.180.0000.00918.10
8.1.170.0040.00418.29
8.1.160.0040.00422.00
8.1.150.0030.00518.60
8.1.140.0050.00317.38
8.1.130.0040.00417.83
8.1.120.0080.00017.41
8.1.110.0040.00417.47
8.1.100.0000.00817.30
8.1.90.0030.00517.27
8.1.80.0050.00317.42
8.1.70.0040.00417.37
8.1.60.0090.00017.43
8.1.50.0030.00617.36
8.1.40.0040.00417.36
8.1.30.0060.00317.48
8.1.20.0040.00417.66
8.1.10.0030.00617.54
8.1.00.0030.00617.47
8.0.300.0040.00418.77
8.0.290.0050.00317.16
8.0.280.0000.00718.41
8.0.270.0040.00417.22
8.0.260.0000.00716.69
8.0.250.0000.00716.96
8.0.240.0090.00016.89
8.0.230.0040.00416.92
8.0.220.0000.00716.77
8.0.210.0040.00416.72
8.0.200.0040.00416.88
8.0.190.0000.00716.96
8.0.180.0080.00016.86
8.0.170.0050.00516.89
8.0.160.0030.00516.73
8.0.150.0040.00416.70
8.0.140.0040.00416.80
8.0.130.0030.00313.19
8.0.120.0030.00616.80
8.0.110.0030.00616.88
8.0.100.0000.00816.79
8.0.90.0000.00816.75
8.0.80.0100.00716.84
8.0.70.0080.00016.92
8.0.60.0000.00816.91
8.0.50.0040.00416.88
8.0.30.0140.01417.00
8.0.20.0200.00317.40
8.0.10.0040.00416.99
8.0.00.0200.00716.72
7.4.330.0030.00315.14
7.4.320.0000.00616.47
7.4.300.0060.00016.39
7.4.290.0000.00816.56
7.4.280.0000.00816.61
7.4.270.0000.00716.58
7.4.260.0000.00716.51
7.4.250.0040.00416.34
7.4.240.0030.00516.54
7.4.230.0040.00416.29
7.4.220.0120.00916.49
7.4.210.0080.00916.47
7.4.200.0050.00316.63
7.4.190.0050.00316.45
7.4.160.0080.01216.38
7.4.150.0220.00017.40
7.4.140.0110.01117.86
7.4.130.0100.01316.46
7.4.120.0140.01116.44
7.4.110.0140.00816.49
7.4.100.0130.00916.49
7.4.90.0000.02116.20
7.4.80.0200.00716.53
7.4.70.0200.00316.39
7.4.60.0040.01516.47
7.4.50.0000.00916.11
7.4.40.0090.00922.77
7.4.30.0080.01216.55
7.4.00.0040.01414.72
7.3.330.0050.00013.25
7.3.320.0040.00413.10
7.3.310.0040.00416.37
7.3.300.0080.00016.20
7.3.290.0060.01616.39
7.3.280.0050.01516.35
7.3.270.0120.00917.40
7.3.260.0150.00916.46
7.3.250.0120.01216.36
7.3.240.0090.01216.41
7.3.230.0030.01916.65
7.3.210.0110.01716.65
7.3.200.0180.00819.39
7.3.190.0130.01316.54
7.3.180.0100.01116.26
7.3.170.0100.01716.49
7.3.160.0100.01016.42
7.3.120.0120.00314.89
7.2.330.0120.00816.64
7.2.320.0200.00516.44
7.2.310.0120.00916.47
7.2.300.0140.00616.68
7.2.290.0110.00916.82
7.1.70.0040.00417.14
7.1.60.0160.00919.82
7.1.50.0140.01017.05
7.0.200.0040.00416.66

preferences:
37.01 ms | 401 KiB | 5 Q