3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Flextype { protected static $instance = null; public static function instance() { //return !isset(self::$instance) and self::$instance = new Flextype(); if (is_null(Flextype::$instance)) { Flextype::$instance = new self; } return Flextype::$instance; } } var_export(Flextype::instance());

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)
8.4.120.0090.00622.48
8.4.110.0040.00517.86
8.4.100.0080.00117.79
8.4.90.0080.00820.65
8.4.80.0020.00618.91
8.4.70.0040.00420.82
8.4.60.0120.00720.84
8.4.50.0150.00520.10
8.4.40.0070.00317.65
8.4.30.0050.00317.42
8.4.20.0070.01419.46
8.4.10.0080.00017.61
8.3.250.0090.01016.44
8.3.240.0090.00116.48
8.3.230.0090.00116.24
8.3.220.0080.01118.96
8.3.210.0050.00316.79
8.3.200.0060.00516.34
8.3.190.0040.00717.05
8.3.180.0120.00818.85
8.3.170.0150.00318.89
8.3.160.0100.01016.80
8.3.150.0070.01116.54
8.3.140.0060.00316.53
8.3.130.0100.00718.43
8.3.120.0160.00320.91
8.3.110.0130.00720.94
8.3.100.0000.00824.06
8.3.90.0100.00726.77
8.3.80.0080.00418.31
8.3.70.0190.00316.63
8.3.60.0070.00718.40
8.3.50.0120.00818.25
8.3.40.0130.00618.71
8.3.30.0110.00418.53
8.3.20.0000.00718.85
8.3.10.0040.00419.34
8.3.00.0080.00023.66
8.2.290.0030.00516.45
8.2.280.0140.00520.19
8.2.270.0130.00618.49
8.2.260.0140.00417.15
8.2.250.0080.00018.46
8.2.240.0030.00616.94
8.2.230.0030.00622.58
8.2.220.0060.00337.54
8.2.210.0080.00026.77
8.2.200.0060.00316.50
8.2.190.0100.00716.63
8.2.180.0160.00016.38
8.2.170.0120.00622.96
8.2.160.0030.01019.52
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00419.70
8.2.120.0000.00826.35
8.2.110.0100.01322.26
8.2.100.0080.00417.66
8.2.90.0050.00317.75
8.2.80.0030.00518.79
8.2.70.0060.00317.80
8.2.60.0040.00417.79
8.2.50.0040.00418.10
8.2.40.0040.00419.34
8.2.30.0040.00419.48
8.2.20.0040.00418.02
8.2.10.0000.00717.90
8.2.00.0030.00619.42
8.1.330.0040.00616.09
8.1.320.0100.00916.18
8.1.310.0000.00818.61
8.1.300.0090.00016.37
8.1.290.0030.00630.84
8.1.280.0120.00925.92
8.1.270.0120.00422.12
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00024.02
8.1.230.0120.00022.25
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00718.80
8.1.150.0040.00418.81
8.1.140.0000.00717.54
8.1.130.0050.00318.91
8.1.120.0000.01017.47
8.1.110.0040.00417.38
8.1.100.0000.00717.40
8.1.90.0030.00517.41
8.1.80.0030.00517.39
8.1.70.0050.00317.36
8.1.60.0090.00317.59
8.1.50.0050.00317.55
8.1.40.0040.00417.54
8.1.30.0040.00417.61
8.1.20.0000.00817.63
8.1.10.0040.00417.62
8.1.00.0000.00717.48
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.32
8.0.270.0080.00017.17
8.0.260.0030.00318.97
8.0.250.0000.00716.87
8.0.240.0030.00316.91
8.0.230.0070.00016.92
8.0.220.0000.00716.81
8.0.210.0000.00716.86
8.0.200.0070.00016.89
8.0.190.0000.00716.88
8.0.180.0080.00016.80
8.0.170.0090.00016.77
8.0.160.0070.00016.93
8.0.150.0070.00016.77
8.0.140.0030.00416.73
8.0.130.0030.00313.24
8.0.120.0040.00416.80
8.0.110.0000.00916.80
8.0.100.0040.00416.80
8.0.90.0040.00416.87
8.0.80.0090.00816.78
8.0.70.0000.00816.70
8.0.60.0040.00416.82
8.0.50.0000.00816.77
8.0.30.0090.00917.02
8.0.20.0150.01017.40
8.0.10.0000.00716.99
8.0.00.0100.01116.73
7.4.330.0020.00215.55
7.4.320.0000.00616.58
7.4.300.0030.00316.61
7.4.290.0030.00316.34
7.4.280.0040.00416.50
7.4.270.0040.00416.64
7.4.260.0070.00016.49
7.4.250.0040.00416.60
7.4.240.0080.00016.50
7.4.230.0030.00316.49
7.4.220.0050.00316.67
7.4.210.0110.00416.66
7.4.200.0100.01016.57
7.4.160.0090.00616.48
7.4.140.0080.01017.86
7.4.130.0120.00616.35
7.4.120.0120.00716.50
7.4.110.0130.00616.35
7.4.100.0090.01216.58
7.4.90.0080.00816.59
7.4.80.0120.00919.39
7.4.70.0120.00916.35
7.4.60.0060.00916.47
7.4.50.0070.01016.34
7.4.40.0130.00616.56
7.4.00.0100.00815.94
7.3.330.0030.00313.25
7.3.320.0000.00713.07
7.3.310.0000.00716.39
7.3.300.0000.00716.24
7.3.290.0130.00616.23
7.3.280.0100.00716.28
7.3.260.0110.01016.41
7.3.240.0090.00916.42
7.3.230.0150.00316.48
7.3.210.0090.00916.36
7.3.200.0090.00616.61
7.3.190.0100.01016.40
7.3.180.0030.01416.41
7.3.170.0080.00816.28
7.3.160.0150.00016.33
7.2.330.0090.00916.80
7.2.320.0160.00316.43
7.2.310.0110.00616.67
7.2.300.0100.00716.75
7.2.290.0150.00716.34
7.2.60.1110.01214.79
7.2.50.0730.01014.92
7.2.40.0640.01214.65
7.2.30.0730.00814.86
7.2.20.0700.00814.97
7.2.10.0760.00515.02
7.2.00.0730.00614.82
7.1.200.0240.00415.37
7.1.170.1030.00513.73
7.1.160.1130.01113.67
7.1.150.0660.00613.97
7.1.140.0760.00413.95
7.1.130.0680.00813.51
7.1.120.0890.00613.77
7.1.110.0820.00613.64
7.1.100.0820.00413.94
7.1.90.0880.00913.65
7.1.80.0860.00613.83
7.1.70.0720.00713.78
7.1.60.1090.01231.78
7.1.50.0940.01131.86
7.1.40.0990.00931.59
7.1.30.1030.00631.61
7.1.20.1040.01031.52
7.1.10.0930.00613.93
7.1.00.0950.00513.64

preferences:
30.55 ms | 403 KiB | 5 Q