3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function a() {echo "a";} } class B { function a() {echo "b";} } class C extends A { function a() {echo "c";} } $b = new B(); var_dump($b instanceof A); $c = new C(); var_dump($c instanceof A); var_dump('bla' instanceof A); var_dump(null instanceof A);

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)
8.3.60.0110.00718.18
8.3.50.0110.00521.93
8.3.40.0110.00718.51
8.3.30.0100.01018.95
8.3.20.0040.00420.34
8.3.10.0080.00021.93
8.3.00.0000.00822.44
8.2.180.0040.01116.63
8.2.170.0090.00622.96
8.2.160.0070.01020.90
8.2.150.0110.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.23
8.2.110.0080.00022.07
8.2.100.0040.00917.72
8.2.90.0060.00319.05
8.2.80.0000.00818.03
8.2.70.0080.00017.25
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0040.00418.09
8.2.30.0040.00418.05
8.2.20.0050.00217.59
8.2.10.0000.00717.62
8.2.00.0000.00817.68
8.1.280.0070.01025.92
8.1.270.0000.00723.99
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0130.00021.95
8.1.230.0060.00623.83
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0030.00517.41
8.1.180.0040.00418.62
8.1.170.0000.00818.59
8.1.160.0000.00721.98
8.1.150.0060.00618.62
8.1.140.0070.00417.26
8.1.130.0040.00417.77
8.1.120.0050.00217.34
8.1.110.0070.00417.46
8.1.100.0000.00717.36
8.1.90.0000.00717.34
8.1.80.0030.00317.38
8.1.70.0070.00017.29
8.1.60.0020.00517.48
8.1.50.0000.00717.36
8.1.40.0000.00817.35
8.1.30.0080.00017.49
8.1.20.0000.00917.54
8.1.10.0000.00717.56
8.1.00.0000.00817.39
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0000.00718.30
8.0.270.0040.00417.22
8.0.260.0030.00316.74
8.0.250.0060.00316.75
8.0.240.0030.00316.86
8.0.230.0000.00716.86
8.0.220.0000.00816.83
8.0.210.0030.00516.71
8.0.200.0060.00316.91
8.0.190.0070.00016.82
8.0.180.0050.00216.76
8.0.170.0070.00016.80
8.0.160.0050.00216.84
8.0.150.0000.00816.83
8.0.140.0000.00716.68
8.0.130.0000.00513.25
8.0.120.0030.00616.74
8.0.110.0030.00516.83
8.0.100.0070.00016.93
8.0.90.0000.00716.86
8.0.80.0160.00716.87
8.0.70.0030.00516.87
8.0.60.0050.00216.81
8.0.50.0030.00516.65
8.0.30.0120.01016.95
8.0.20.0100.00817.40
8.0.10.0040.00416.93
8.0.00.0090.00816.56
7.4.330.0050.00015.00
7.4.320.0000.00616.39
7.4.300.0070.00016.52
7.4.290.0080.00016.48
7.4.280.0000.00716.50
7.4.270.0000.00816.58
7.4.260.0000.00716.45
7.4.250.0000.00716.46
7.4.240.0000.00716.57
7.4.230.0000.00716.60
7.4.220.0110.00816.56
7.4.210.0100.00716.58
7.4.200.0080.00016.67
7.4.190.0040.00416.75
7.4.160.0060.00916.45
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0120.00516.45
7.4.120.0070.01016.41
7.4.110.0130.00316.67
7.4.100.0070.01316.46
7.4.90.0000.01616.47
7.4.80.0120.00619.39
7.4.70.0040.01216.46
7.4.60.0090.00916.48
7.4.50.0050.00016.38
7.4.40.0000.01522.77
7.4.30.0140.00316.34
7.3.330.0030.00213.30
7.3.320.0020.00213.30
7.3.310.0030.00316.25
7.3.300.0060.00016.38
7.3.290.0070.00716.37
7.3.280.0080.00616.34
7.3.270.0140.00417.40
7.3.260.0150.00316.18
7.3.250.0120.00416.45
7.3.240.0130.01016.50
7.3.230.0090.00916.43
7.3.210.0070.01016.59
7.3.200.0060.01219.39
7.3.190.0090.00916.59
7.3.180.0000.01516.38
7.3.170.0000.01516.52
7.3.160.0100.00716.39
7.2.330.0110.00616.32
7.2.320.0140.00616.45
7.2.310.0060.01616.62
7.2.300.0090.00616.33
7.2.290.0060.01016.26
5.4.260.0130.06318.90
5.4.250.0170.06719.00
5.4.240.0130.06718.79
5.4.230.0030.08319.00
5.4.220.0130.06719.02
5.4.210.0030.05718.93
5.4.200.0130.04718.83
5.4.190.0170.06318.80
5.4.180.0130.07018.93
5.4.170.0070.05718.83
5.4.160.0070.07718.98
5.4.150.0100.06018.78
5.4.140.0070.07716.56
5.4.130.0070.05016.57
5.4.120.0070.05016.54
5.4.110.0030.05716.47
5.4.100.0130.06716.57
5.4.90.0100.05316.44
5.4.80.0070.07316.61
5.4.70.0100.07016.52
5.4.60.0100.05316.29
5.4.50.0130.04316.43
5.4.40.0100.04316.64
5.4.30.0170.06016.59
5.4.20.0000.08016.38
5.4.10.0030.05316.43
5.4.00.0170.04015.91
5.3.280.0100.05314.43
5.3.270.0130.05014.85
5.3.260.0130.07014.63
5.3.250.0070.05714.77
5.3.240.0030.05314.61
5.3.230.0030.05314.78
5.3.220.0070.05314.76
5.3.210.0230.06314.65
5.3.200.0000.07014.57
5.3.190.0130.06714.59
5.3.180.0100.06714.47
5.3.170.0070.05714.55
5.3.160.0030.06714.39
5.3.150.0170.04714.57
5.3.140.0130.04314.55
5.3.130.0100.05314.53
5.3.120.0070.06014.77
5.3.110.0000.07014.75
5.3.100.0070.05313.95
5.3.90.0100.04714.01
5.3.80.0170.04014.11
5.3.70.0030.05314.04

preferences:
39.67 ms | 401 KiB | 5 Q