3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; } class B extends A { public $b; } $a = new B(); $a->a = 0; $a->b = 1; $b = new B(); $b->a = 1; $b->b = 0; var_dump($a < $b); (array)['a']; var_dump($a < $b);

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)
8.3.60.0000.01818.55
8.3.50.0140.00716.23
8.3.40.0110.01418.57
8.3.30.0120.00418.71
8.3.20.0040.00418.65
8.3.10.0040.00423.64
8.3.00.0050.00321.91
8.2.180.0100.01018.29
8.2.170.0110.00418.94
8.2.160.0070.00722.96
8.2.150.0060.00925.66
8.2.140.0030.01224.66
8.2.130.0040.00421.96
8.2.120.0040.00426.35
8.2.110.0060.00322.24
8.2.100.0060.00617.72
8.2.90.0040.00417.63
8.2.80.0050.00317.97
8.2.70.0000.00817.80
8.2.60.0040.00418.22
8.2.50.0040.00418.10
8.2.40.0030.00719.05
8.2.30.0070.00020.52
8.2.20.0040.00417.90
8.2.10.0040.00417.93
8.2.00.0000.00719.33
8.1.280.0070.01125.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00419.21
8.1.230.0040.00717.77
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.38
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0000.00718.93
8.1.150.0030.00318.88
8.1.140.0000.00718.88
8.1.130.0090.00020.18
8.1.120.0040.00417.43
8.1.110.0040.00417.45
8.1.100.0000.00717.45
8.1.90.0030.00717.47
8.1.80.0000.00817.36
8.1.70.0030.00617.32
8.1.60.0040.00417.56
8.1.50.0040.00417.53
8.1.40.0100.00017.43
8.1.30.0050.00317.54
8.1.20.0040.00417.57
8.1.10.0000.00717.50
8.1.00.0000.00817.36
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.45
8.0.270.0080.00017.25
8.0.260.0030.00318.56
8.0.250.0030.00316.99
8.0.240.0000.00616.89
8.0.230.0070.00017.00
8.0.220.0030.00316.82
8.0.210.0000.01016.91
8.0.200.0030.00317.02
8.0.190.0070.00017.02
8.0.180.0040.00416.88
8.0.170.0060.00316.98
8.0.160.0000.00817.01
8.0.150.0000.00716.91
8.0.140.0000.00816.89
8.0.130.0050.00013.37
8.0.120.0070.00016.87
8.0.110.0080.00016.98
8.0.100.0040.00416.78
8.0.90.0000.00716.80
8.0.80.0060.01216.89
8.0.70.0000.00716.92
8.0.60.0030.00317.01
8.0.50.0040.00416.92
8.0.30.0120.00817.17
8.0.20.0080.01117.40
8.0.10.0030.00317.09
8.0.00.0140.00516.72
7.4.330.0000.00615.55
7.4.320.0000.00716.48
7.4.300.0000.00616.59
7.4.290.0040.00816.60
7.4.280.0040.00416.60
7.4.270.0030.00316.61
7.4.260.0050.00316.48
7.4.250.0000.00716.43
7.4.240.0000.00716.61
7.4.230.0000.00716.61
7.4.220.0040.00416.58
7.4.210.0090.00616.52
7.4.200.0000.00716.57
7.4.160.0110.00516.53
7.4.140.0130.00617.86
7.4.130.0070.01016.40
7.4.120.0090.01216.51
7.4.110.0140.00316.44
7.4.100.0120.00716.68
7.4.90.0040.01416.38
7.4.80.0130.00619.39
7.4.70.0150.00316.58
7.4.60.0090.00616.44
7.4.50.0060.00916.29
7.4.40.0100.01016.44
7.4.00.0060.00915.09
7.3.330.0020.00213.39
7.3.320.0000.00613.31
7.3.310.0000.00716.25
7.3.300.0030.00316.22
7.3.290.0040.00416.25
7.3.280.0110.00316.38
7.3.260.0160.00616.38
7.3.240.0080.01116.46
7.3.230.0070.01516.34
7.3.210.0200.00316.50
7.3.200.0130.00416.47
7.3.190.0060.01016.44
7.3.180.0060.01416.29
7.3.170.0080.00816.57
7.3.160.0050.01616.37
7.3.10.0000.01416.42
7.3.00.0090.00616.48
7.2.330.0100.00716.80
7.2.320.0070.01616.50
7.2.310.0140.00416.46
7.2.300.0070.01116.63
7.2.290.0040.01216.46
7.2.130.0050.00517.09
7.2.120.0000.01316.93
7.2.110.0100.00716.98
7.2.100.0080.00816.95
7.2.90.0550.00515.81
7.2.80.0960.00815.78
7.2.70.0860.00316.07
7.2.60.0730.00615.93
7.2.50.0880.01116.02
7.2.40.0910.01115.80
7.2.30.0750.00716.02
7.2.20.0990.00315.97
7.2.10.0700.00616.14
7.2.00.0900.01015.96
7.1.250.0090.00315.56
7.1.210.1560.01013.81
7.1.200.1300.01014.09
7.1.190.1480.00013.85
7.1.180.1810.01013.64
7.1.170.1750.00613.93
7.1.160.1780.00313.91
7.1.150.1550.00313.80
7.1.140.1960.00313.88
7.1.130.1460.00313.68
7.1.120.1450.00313.89
7.1.110.1540.00313.98
7.1.100.1780.01013.77
7.1.90.0100.00713.53
7.1.80.0120.00613.68
7.1.70.0210.00013.81
7.1.60.1070.00731.90
7.1.50.0260.01931.75
7.1.40.1530.01231.68
7.1.30.1610.00731.50
7.1.20.0490.00731.71
7.1.10.0100.00313.68
7.1.00.0090.00613.93

preferences:
67.37 ms | 400 KiB | 5 Q