3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getGrandParentClass($object, $level = NULL) { $gp = $object = get_class($object); $isNull = is_null($level); $j = 0; while(get_parent_class($gp) && ($isNull || $level > $j)) { $gp = get_parent_class($gp); $j++; if(!get_parent_class($gp) && !$isNull && $level > $j) return false; } return $gp == $object ? false : $gp; } class A {} class B extends A {} class C extends B {} class D extends C {} var_dump(getGrandParentClass(new A())); // false var_dump(getGrandParentClass(new D(), INF)));

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)
5.4.220.0120.04012.38
5.4.210.0130.03612.38
5.4.200.0090.04212.38
5.4.190.0120.03812.38
5.4.180.0120.04212.38
5.4.170.0120.04212.39
5.4.160.0100.04112.38
5.4.150.0100.04312.38
5.4.140.0090.04112.07
5.4.130.0100.04012.05
5.4.120.0130.03512.02
5.4.110.0090.03912.01
5.4.100.0130.05412.01
5.4.90.0080.04712.02
5.4.80.0110.04212.02
5.4.70.0100.03812.01
5.4.60.0120.05212.02
5.4.50.0110.03812.00
5.4.40.0110.04011.99
5.4.30.0100.04111.99
5.4.20.0090.04011.99
5.4.10.0120.03811.99
5.4.00.0110.04111.49
5.3.270.0110.04312.72
5.3.260.0180.06712.72
5.3.250.0130.03912.72
5.3.240.0120.04812.72
5.3.230.0090.04512.71
5.3.220.0130.04012.68
5.3.210.0090.04512.68
5.3.200.0090.04212.68
5.3.190.0120.04012.68
5.3.180.0090.04312.67
5.3.170.0150.05312.67
5.3.160.0120.03912.67
5.3.150.0100.04212.67
5.3.140.0110.04112.66
5.3.130.0110.04512.65
5.3.120.0120.04512.65
5.3.110.0140.03912.66
5.3.100.0100.04512.12
5.3.90.0110.04712.09
5.3.80.0220.06112.08
5.3.70.0110.04012.08
5.3.60.0090.04212.07
5.3.50.0080.04312.00
5.3.40.0120.04112.00
5.3.30.0120.04011.96
5.3.20.0140.05011.74
5.3.10.0120.03611.71
5.3.00.0120.03811.69
5.2.170.0120.0349.19
5.2.160.0090.0349.19
5.2.150.0100.0329.19
5.2.140.0120.0459.18
5.2.130.0110.0309.14
5.2.120.0130.0279.14
5.2.110.0080.0329.16
5.2.100.0220.0529.16
5.2.90.0090.0319.16
5.2.80.0090.0339.14
5.2.70.0120.0329.15
5.2.60.0070.0359.10
5.2.50.0090.0339.08
5.2.40.0100.0339.05
5.2.30.0100.0349.02
5.2.20.0090.0319.02
5.2.10.0090.0348.92
5.2.00.0100.0388.78
5.1.60.0070.0298.07
5.1.50.0140.0398.07
5.1.40.0090.0258.05
5.1.30.0110.0258.39
5.1.20.0100.0278.43
5.1.10.0100.0268.14
5.1.00.0080.0298.14
5.0.50.0070.0236.63
5.0.40.0070.0226.48
5.0.30.0090.0326.30
5.0.20.0080.0206.27
5.0.10.0080.0256.24
5.0.00.0070.0346.24
4.4.90.0030.0194.77
4.4.80.0040.0194.76
4.4.70.0050.0164.75
4.4.60.0040.0184.75
4.4.50.0060.0174.77
4.4.40.0050.0314.71
4.4.30.0080.0154.76
4.4.20.0040.0194.84
4.4.10.0040.0194.85
4.4.00.0070.0264.76
4.3.110.0100.0144.67
4.3.100.0050.0184.67
4.3.90.0050.0154.63
4.3.80.0040.0274.58
4.3.70.0050.0154.63
4.3.60.0070.0154.63
4.3.50.0070.0154.63
4.3.40.0060.0254.54
4.3.30.0030.0193.31
4.3.20.0050.0163.29
4.3.10.0080.0283.25
4.3.00.0330.01312.57

preferences:
142.72 ms | 1394 KiB | 7 Q