3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function isHTML() { echo "lower\n"; } } class b extends a { function IsHTML() { echo "upper\n"; } } $bb = new b(); $bb->isHTML(); $bb->IsHTML();

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)
8.3.60.0070.01118.43
8.3.50.0090.00616.49
8.3.40.0090.00618.49
8.3.30.0150.00018.55
8.3.20.0040.00420.20
8.3.10.0040.00422.05
8.3.00.0080.00022.52
8.2.180.0130.00618.29
8.2.170.0070.01022.96
8.2.160.0070.00719.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00920.52
8.2.120.0070.00026.35
8.2.110.0060.00319.22
8.2.100.0050.00518.03
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0000.00917.63
8.2.60.0030.00517.93
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0060.00318.01
8.2.20.0040.00418.01
8.2.10.0040.00417.89
8.2.00.0030.00618.09
8.1.280.0090.01225.92
8.1.270.0060.00323.81
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00022.14
8.1.230.0110.00017.82
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0050.00218.39
8.1.160.0000.00718.73
8.1.150.0040.00420.13
8.1.140.0000.00719.42
8.1.130.0000.00718.87
8.1.120.0040.00417.41
8.1.110.0000.00817.25
8.1.100.0000.00817.30
8.1.90.0040.00417.23
8.1.80.0000.00717.39
8.1.70.0030.00317.23
8.1.60.0040.00417.54
8.1.50.0050.00217.56
8.1.40.0000.00817.55
8.1.30.0040.00417.61
8.1.20.0000.00717.55
8.1.10.0070.00017.64
8.1.00.0000.01117.52
8.0.300.0040.00418.77
8.0.290.0030.00616.63
8.0.280.0080.00018.50
8.0.270.0030.00317.29
8.0.260.0030.00519.02
8.0.250.0030.00316.83
8.0.240.0030.00316.96
8.0.230.0030.00316.79
8.0.220.0070.00016.86
8.0.210.0030.00316.81
8.0.200.0060.00016.88
8.0.190.0000.00816.93
8.0.180.0040.00416.78
8.0.170.0050.00316.88
8.0.160.0040.00416.87
8.0.150.0000.00716.81
8.0.140.0000.00816.80
8.0.130.0000.00613.19
8.0.120.0070.00016.81
8.0.110.0050.00216.70
8.0.100.0040.00416.95
8.0.90.0070.00016.88
8.0.80.0070.00716.72
8.0.70.0000.00716.64
8.0.60.0000.00716.67
8.0.50.0000.00716.77
8.0.30.0090.00717.16
8.0.20.0100.00917.40
8.0.10.0050.00216.80
8.0.00.0050.01216.95
7.4.330.0060.00015.55
7.4.320.0030.00316.55
7.4.300.0000.00616.59
7.4.290.0030.00316.55
7.4.280.0050.00316.59
7.4.270.0000.00616.61
7.4.260.0030.00316.41
7.4.250.0070.00016.49
7.4.240.0030.00316.54
7.4.230.0030.00316.42
7.4.220.0040.02116.64
7.4.210.0070.00716.46
7.4.200.0000.00716.50
7.4.160.0100.01016.40
7.4.150.0090.00917.40
7.4.140.0120.01217.86
7.4.130.0040.01616.55
7.4.120.0080.01016.55
7.4.110.0100.00616.57
7.4.100.0140.00416.39
7.4.90.0130.01016.48
7.4.80.0110.00719.39
7.4.70.0170.00316.54
7.4.60.0030.01216.32
7.4.50.0100.00016.32
7.4.40.0110.01116.52
7.4.30.0090.00916.38
7.4.00.0060.01014.95
7.3.330.0050.00013.10
7.3.320.0030.00313.05
7.3.310.0030.00316.09
7.3.300.0030.00316.23
7.3.290.0080.00916.27
7.3.280.0080.00816.24
7.3.270.0110.00617.40
7.3.260.0120.00516.38
7.3.240.0050.01216.52
7.3.230.0150.00616.44
7.3.210.0080.01116.09
7.3.200.0160.00016.25
7.3.190.0160.00016.07
7.3.180.0100.00716.12
7.3.170.0060.01116.48
7.3.160.0080.00816.26
7.3.120.0110.00714.51
7.3.110.0040.00814.56
7.3.100.0000.01514.76
7.3.90.0090.00314.88
7.3.80.0040.01114.81
7.3.70.0070.01014.64
7.3.60.0000.00914.71
7.3.50.0000.01514.77
7.3.40.0090.00914.76
7.3.30.0110.00714.41
7.3.20.0030.01416.66
7.3.10.0130.00016.39
7.3.00.0060.00916.66
7.2.330.0030.01416.30
7.2.320.0130.00316.61
7.2.310.0070.01016.69
7.2.300.0120.00916.69
7.2.290.0130.00316.72
7.2.250.0030.01715.10
7.2.240.0130.00615.07
7.2.230.0130.00315.05
7.2.220.0060.00614.85
7.2.210.0160.00315.03
7.2.200.0090.00914.75
7.2.190.0070.01014.82
7.2.180.0030.01314.93
7.2.170.0140.00714.88
7.2.60.0130.00017.02
7.2.50.0000.00816.99
7.1.330.0000.01415.57
7.1.320.0000.00915.51
7.1.310.0040.01015.83
7.1.300.0100.01015.40
7.1.290.0140.00015.58
7.1.280.0120.00315.25
7.1.270.0110.00415.43
7.1.260.0070.00715.48
7.1.200.0060.00615.73
7.1.70.0050.00216.98
7.1.60.0090.00316.89
7.1.50.0230.00734.72
7.1.40.0100.01734.20
7.1.30.0130.02034.27
7.1.20.0100.02334.29
7.1.10.0030.01016.28
7.1.00.0030.01316.36
7.0.200.0030.01316.37
7.0.190.0030.01016.38
7.0.180.0100.00316.18
7.0.170.0000.01016.08
7.0.160.0030.01316.01
7.0.150.0070.00716.08
7.0.140.0070.00716.15
7.0.130.0030.01016.21
7.0.120.0030.00716.25
7.0.110.0030.01016.09
7.0.100.0100.00316.09
7.0.90.0030.01316.00
7.0.80.0000.01016.19
7.0.70.0030.01016.00
7.0.60.0030.01015.70
7.0.50.0000.01316.29
7.0.40.0000.01016.21
7.0.30.0030.01016.27
7.0.20.0030.01316.21
7.0.10.0000.01316.21
7.0.00.0070.01016.19

preferences:
59.26 ms | 400 KiB | 5 Q