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)
8.3.60.0110.00418.43
8.3.50.0070.01416.51
8.3.40.0110.00718.57
8.3.30.0120.00318.75
8.3.20.0040.00419.24
8.3.10.0080.00020.86
8.3.00.0040.00423.56
8.2.180.0190.00616.75
8.2.170.0070.00722.96
8.2.160.0110.00420.25
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00421.04
8.2.120.0000.00826.35
8.2.110.0040.00721.96
8.2.100.0080.00317.72
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0030.00617.91
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0000.00821.21
8.2.30.0040.00419.28
8.2.20.0060.00318.11
8.2.10.0000.00818.04
8.2.00.0050.00319.50
8.1.280.0160.00325.92
8.1.270.0080.00023.96
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00320.73
8.1.230.0110.00020.98
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0030.00618.61
8.1.160.0000.00718.82
8.1.150.0000.00718.79
8.1.140.0030.00317.63
8.1.130.0030.00319.01
8.1.120.0030.00617.35
8.1.110.0000.00717.34
8.1.100.0000.00917.40
8.1.90.0030.00517.42
8.1.80.0040.00417.27
8.1.70.0000.00917.40
8.1.60.0000.00817.46
8.1.50.0000.00717.46
8.1.40.0000.00817.45
8.1.30.0040.00417.71
8.1.20.0050.00317.57
8.1.10.0040.00417.43
8.1.00.0040.00417.55
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0030.00318.34
8.0.270.0040.00417.12
8.0.260.0060.00017.27
8.0.250.0040.00416.95
8.0.240.0060.00016.84
8.0.230.0070.00016.89
8.0.220.0030.00316.87
8.0.210.0070.00016.90
8.0.200.0000.00816.80
8.0.190.0050.00316.96
8.0.180.0050.00216.83
8.0.170.0000.00816.87
8.0.160.0030.00316.96
8.0.150.0000.00716.71
8.0.140.0000.00816.83
8.0.130.0000.00613.29
8.0.120.0040.00416.91
8.0.110.0040.00416.84
8.0.100.0040.00416.91
8.0.90.0040.00416.95
8.0.80.0070.01016.87
8.0.70.0030.00516.72
8.0.60.0030.00516.74
8.0.50.0040.00416.85
8.0.30.0120.00717.04
8.0.20.0090.01017.40
8.0.10.0040.00416.84
8.0.00.0080.01216.66
7.4.330.0030.00315.55
7.4.320.0000.00616.55
7.4.300.0030.00316.63
7.4.290.0030.00316.47
7.4.280.0000.00816.49
7.4.270.0030.00316.61
7.4.260.0030.00416.53
7.4.250.0070.00016.51
7.4.240.0040.00416.51
7.4.230.0070.00016.48
7.4.220.0040.00416.33
7.4.210.0110.00616.61
7.4.200.0000.00716.48
7.4.160.0080.00816.44
7.4.140.0110.00617.86
7.4.130.0030.01316.52
7.4.120.0110.00616.52
7.4.110.0100.00716.33
7.4.100.0110.00616.61
7.4.90.0070.01116.44
7.4.80.0030.01519.39
7.4.70.0040.01216.59
7.4.60.0150.00916.32
7.4.50.0090.00316.25
7.4.40.0070.01016.37
7.4.00.0090.00614.95
7.3.330.0000.00513.30
7.3.320.0030.00313.37
7.3.310.0040.00416.34
7.3.300.0030.00316.36
7.3.290.0000.00616.39
7.3.280.0080.00816.29
7.3.260.0100.00816.44
7.3.240.0110.00616.41
7.3.230.0120.00616.31
7.3.210.0100.01016.54
7.3.200.0140.00316.16
7.3.190.0090.00816.45
7.3.180.0120.00316.41
7.3.170.0070.01016.39
7.3.160.0180.00016.24
7.2.330.0120.00616.43
7.2.320.0090.01216.29
7.2.310.0160.00316.74
7.2.300.0120.00416.46
7.2.290.0130.00416.69
7.2.70.0340.01315.11
7.2.60.0380.00414.99
7.2.50.0320.01014.94
7.2.40.0480.00014.79
7.2.30.0460.01315.05
7.2.20.0310.01414.89
7.2.10.0880.00315.13
7.2.00.0350.00715.07
7.1.200.0050.00515.84
7.1.170.0360.01014.08
7.1.160.0360.00713.94
7.1.150.0300.01313.84
7.1.140.0540.00613.59
7.1.130.0320.01013.93
7.1.120.0410.00013.85
7.1.110.0400.00313.95
7.1.100.0410.00913.84
7.1.90.0380.00913.93
7.1.80.0520.00013.89
7.1.70.0390.00713.90
7.1.60.0550.01031.99
7.1.50.0620.01031.66
7.1.40.0570.01631.74
7.1.30.0640.01131.86
7.1.20.0710.01031.91
7.1.10.0400.01013.77
7.1.00.0370.00614.04

preferences:
62.39 ms | 400 KiB | 5 Q