3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Blabla { } function &getClassByMe($name) { static $instance = array(); if (isset($instance[$name])) { return $instance[$name]; } $instance[$name] = new $name(); return $instance[$name]; } $aa =& getClassByMe('Blabla');

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)
8.3.60.0120.00318.31
8.3.50.0030.01616.49
8.3.40.0040.01118.71
8.3.30.0120.00618.75
8.3.20.0040.00419.07
8.3.10.0000.00820.89
8.3.00.0020.00523.65
8.2.180.0140.00316.48
8.2.170.0140.00022.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0050.00220.94
8.2.120.0070.00026.35
8.2.110.0040.00422.20
8.2.100.0060.00617.79
8.2.90.0040.00419.38
8.2.80.0060.00617.97
8.2.70.0080.00018.05
8.2.60.0060.00317.93
8.2.50.0030.00518.10
8.2.40.0000.00820.91
8.2.30.0080.00419.27
8.2.20.0070.00318.18
8.2.10.0000.00718.16
8.2.00.0080.00019.50
8.1.280.0080.00825.92
8.1.270.0080.00023.96
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0090.00022.65
8.1.230.0070.00622.62
8.1.220.0080.00017.78
8.1.210.0000.00818.89
8.1.200.0030.00617.38
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0090.00018.65
8.1.160.0040.00418.80
8.1.150.0070.00018.75
8.1.140.0040.00417.68
8.1.130.0070.00018.91
8.1.120.0000.01117.43
8.1.110.0000.00717.34
8.1.100.0040.00417.38
8.1.90.0050.00317.29
8.1.80.0050.00217.28
8.1.70.0000.01017.37
8.1.60.0060.00317.48
8.1.50.0040.00417.43
8.1.40.0040.00417.57
8.1.30.0000.00817.64
8.1.20.0000.00817.68
8.1.10.0060.00317.45
8.1.00.0030.00617.38
8.0.300.0000.00719.91
8.0.290.0040.00416.63
8.0.280.0050.00218.49
8.0.270.0070.00017.25
8.0.260.0030.00317.10
8.0.250.0000.00716.86
8.0.240.0030.00316.93
8.0.230.0000.00716.95
8.0.220.0050.00316.91
8.0.210.0050.00216.78
8.0.200.0070.00016.93
8.0.190.0050.00316.90
8.0.180.0000.00716.88
8.0.170.0030.00616.80
8.0.160.0000.00716.89
8.0.150.0020.00516.89
8.0.140.0040.00416.67
8.0.130.0030.00313.24
8.0.120.0000.00816.84
8.0.110.0030.00316.91
8.0.100.0040.00417.00
8.0.90.0030.00516.69
8.0.80.0080.01016.86
8.0.70.0070.00016.77
8.0.60.0040.00416.85
8.0.50.0080.00016.75
8.0.30.0110.00816.97
8.0.20.0160.00517.40
8.0.10.0040.00416.96
8.0.00.0090.01216.63
7.4.330.0030.00315.55
7.4.320.0030.00316.39
7.4.300.0000.00716.38
7.4.290.0040.00416.50
7.4.280.0050.00316.43
7.4.270.0000.00716.50
7.4.260.0000.00716.59
7.4.250.0080.00016.49
7.4.240.0020.00516.36
7.4.230.0070.00016.39
7.4.220.0070.00016.59
7.4.210.0090.00616.60
7.4.200.0000.00716.68
7.4.160.0070.01016.55
7.4.140.0090.01017.86
7.4.130.0070.01316.44
7.4.120.0050.01216.56
7.4.110.0090.00616.55
7.4.100.0070.01016.50
7.4.90.0140.00316.56
7.4.80.0090.01519.39
7.4.70.0080.00816.51
7.4.60.0120.01016.46
7.4.50.0100.00716.43
7.4.40.0160.00616.61
7.4.00.0040.01415.00
7.3.330.0000.00513.37
7.3.320.0060.00013.28
7.3.310.0070.00016.35
7.3.300.0030.00316.35
7.3.290.0070.00016.24
7.3.280.0070.00816.31
7.3.260.0110.00516.46
7.3.240.0090.00916.46
7.3.230.0140.01016.23
7.3.210.0130.01016.57
7.3.200.0090.00916.41
7.3.190.0080.00816.27
7.3.180.0130.00716.38
7.3.170.0150.00616.29
7.3.160.0160.00016.37
7.2.330.0160.00816.66
7.2.320.0060.01316.35
7.2.310.0160.00716.55
7.2.300.0070.01016.49
7.2.290.0050.01816.54
7.2.70.0570.00314.95
7.2.60.0370.00914.87
7.2.50.0420.00715.13
7.2.40.0360.01015.16
7.2.30.0560.01315.11
7.2.20.0580.00715.09
7.2.10.0350.01015.10
7.2.00.0440.00315.10
7.1.200.0060.00615.86
7.1.170.0350.00913.98
7.1.160.0350.01013.76
7.1.150.0390.00413.91
7.1.140.0370.01214.03
7.1.130.1110.01013.67
7.1.120.0440.00313.93
7.1.110.0420.00613.85
7.1.100.0360.01414.07
7.1.90.0490.00313.89
7.1.80.0650.00613.89
7.1.70.0390.01313.87
7.1.60.0580.01031.88
7.1.50.0560.01731.53
7.1.40.0630.01331.97
7.1.30.0670.00731.81
7.1.20.0930.00731.81
7.1.10.0550.00313.84
7.1.00.0350.01013.95

preferences:
55.51 ms | 400 KiB | 5 Q