3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Loader { private static $instances; public static function get_instance($class) { if(!isset(self::$instances[$class])) { self::$instances[$class] = new $class(); } return self::$instances[$class]; } public static function debug() { print_r(self::$instances); } } class One{ public function __toString() { return 'One'; } } class Two{ public function __toString() { return 'Two'; } } class Foo{ public function __toString() { return 'Foo'; } } $foo = Loader::get_instance('Foo'); $one = Loader::get_instance('One'); $two = Loader::get_instance('Two'); $foo2 = Loader::get_instance('Foo'); $foo3 = Loader::get_instance('Foo'); Loader::debug();

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)
8.3.40.0090.00618.75
8.3.30.0100.00319.09
8.3.20.0070.00020.34
8.3.10.0040.00423.65
8.3.00.0030.00522.57
8.2.170.0070.00722.96
8.2.160.0040.01122.08
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0170.00317.50
8.2.110.0060.00322.20
8.2.100.0070.00417.72
8.2.90.0000.00819.17
8.2.80.0040.00418.01
8.2.70.0060.00317.63
8.2.60.0080.00018.05
8.2.50.0070.00318.07
8.2.40.0050.00318.22
8.2.30.0000.00718.18
8.2.20.0060.00317.74
8.2.10.0050.00317.77
8.2.00.0070.00017.64
8.1.270.0080.00023.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00423.79
8.1.230.0070.00418.94
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0030.00618.66
8.1.160.0000.00722.02
8.1.150.0070.00018.58
8.1.140.0070.00017.38
8.1.130.0030.00317.72
8.1.120.0000.00717.38
8.1.110.0040.00417.46
8.1.100.0040.00417.37
8.1.90.0040.00417.53
8.1.80.0080.00017.46
8.1.70.0040.00417.38
8.1.60.0060.00317.54
8.1.50.0030.00617.50
8.1.40.0040.00417.55
8.1.30.0000.00817.66
8.1.20.0030.00617.68
8.1.10.0050.00317.45
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0070.00017.15
8.0.280.0030.00318.46
8.0.270.0000.00817.21
8.0.260.0000.00616.76
8.0.250.0040.00416.98
8.0.240.0000.00716.99
8.0.230.0030.00316.98
8.0.220.0000.00716.89
8.0.210.0000.00716.79
8.0.200.0000.00616.97
8.0.190.0050.00316.83
8.0.180.0050.00316.89
8.0.170.0040.00416.96
8.0.160.0030.00516.99
8.0.150.0040.00416.87
8.0.140.0050.00316.85
8.0.130.0050.00013.35
8.0.120.0040.00416.88
8.0.110.0040.00416.95
8.0.100.0040.00416.86
8.0.90.0030.00316.73
8.0.80.0090.00616.84
8.0.70.0040.00416.96
8.0.60.0040.00416.94
8.0.50.0040.00416.89
8.0.30.0100.01017.19
8.0.20.0170.00517.40
8.0.10.0040.00416.99
8.0.00.0120.01016.73
7.4.330.0000.00515.00
7.4.320.0030.00316.62
7.4.300.0000.00616.50
7.4.290.0000.00816.43
7.4.280.0000.00716.60
7.4.270.0030.00316.52
7.4.260.0040.00416.49
7.4.250.0030.00316.56
7.4.240.0060.00116.55
7.4.230.0030.00316.71
7.4.220.0000.01516.45
7.4.210.0050.01016.54
7.4.200.0070.00016.41
7.4.190.0030.00316.45
7.4.160.0040.01116.52
7.4.150.0150.00917.40
7.4.140.0100.00817.86
7.4.130.0030.01416.60
7.4.120.0070.01416.57
7.4.110.0080.00816.66
7.4.100.0070.01016.60
7.4.90.0140.00516.60
7.4.80.0120.00316.68
7.4.70.0080.00816.43
7.4.60.0100.00716.41
7.4.50.0000.00816.25
7.4.40.0060.01022.77
7.4.30.0090.01216.52
7.4.10.0040.01516.40
7.4.00.0070.00915.48
7.3.330.0030.00313.21
7.3.320.0000.00513.26
7.3.310.0040.00416.41
7.3.300.0030.00316.43
7.3.290.0070.00716.36
7.3.280.0050.01116.39
7.3.270.0030.01317.40
7.3.260.0080.00916.35
7.3.250.0110.01116.54
7.3.240.0150.00616.34
7.3.230.0130.00916.57
7.3.210.0060.01016.58
7.3.200.0110.00719.39
7.3.190.0070.01616.39
7.3.180.0110.00516.32
7.3.170.0070.01016.56
7.3.160.0080.00816.64
7.3.130.0160.00016.65
7.3.120.0080.01015.47
7.3.110.0020.01215.38
7.3.100.0070.01115.36
7.3.90.0070.00915.43
7.3.80.0060.00615.29
7.3.70.0070.00715.31
7.3.60.0060.01015.36
7.3.50.0060.00815.30
7.3.40.0040.00915.22
7.3.30.0030.01015.18
7.3.20.0060.00917.11
7.3.10.0030.00917.09
7.3.00.0060.00717.11
7.2.330.0030.02016.80
7.2.320.0100.00616.75
7.2.310.0090.01516.75
7.2.300.0090.01216.75
7.2.290.0130.00316.43
7.2.260.0000.01916.68
7.2.250.0060.01215.59
7.2.240.0080.00815.45
7.2.230.0020.01415.55
7.2.220.0080.00915.54
7.2.210.0080.00815.52
7.2.200.0050.01015.43
7.2.190.0060.00915.41
7.2.180.0030.01215.39
7.2.170.0030.01015.43
7.2.160.0060.00915.44
7.2.150.0090.00217.39
7.2.140.0040.01017.28
7.2.130.0090.00417.29
7.2.120.0030.01017.39
7.2.110.0050.00617.23
7.2.100.0060.00617.38
7.2.90.0060.00617.43
7.2.80.0090.00517.29
7.2.70.0050.00817.51
7.2.60.0090.00517.19
7.2.50.0050.00717.30
7.2.40.0020.01117.44
7.2.30.0030.01017.29
7.2.20.0050.00917.33
7.2.10.0060.00817.28
7.2.00.0010.01217.83
7.1.330.0080.00916.24
7.1.320.0030.01216.39
7.1.310.0100.00516.31
7.1.300.0050.00516.24
7.1.290.0050.00716.34
7.1.280.0040.01016.27
7.1.270.0060.00516.22
7.1.260.0030.01016.27
7.1.250.0070.00616.14
7.1.240.0030.01016.57
7.1.230.0060.00816.51
7.1.220.0070.00716.37
7.1.210.0060.00816.44
7.1.200.0070.00816.20
7.1.190.0050.00516.40
7.1.180.0060.00516.51
7.1.170.0010.01016.41
7.1.160.0060.00316.54
7.1.150.0060.00616.38
7.1.140.0040.00916.56
7.1.130.0090.00516.48
7.1.120.0040.00616.51
7.1.110.0040.00816.40
7.1.100.0080.00517.02
7.1.90.0040.00916.50
7.1.80.0050.00716.52
7.1.70.0040.00716.61
7.1.60.0100.00617.44
7.1.50.0060.00916.70
7.1.40.0080.00516.47
7.1.30.0110.00416.59
7.1.20.0020.01116.58
7.1.10.0050.00816.51
7.1.00.0080.02718.38
7.0.330.0080.00515.99
7.0.320.0060.00616.22
7.0.310.0070.00516.27
7.0.300.0030.00916.28
7.0.290.0040.00415.99
7.0.280.0050.00716.19
7.0.270.0010.01016.25
7.0.260.0040.00816.09
7.0.250.0050.00516.20
7.0.240.0030.01016.03
7.0.230.0080.00516.15
7.0.220.0000.00916.04
7.0.210.0020.01116.22
7.0.200.0050.00616.33
7.0.190.0070.00416.12
7.0.180.0080.00716.13
7.0.170.0050.00816.12
7.0.160.0040.00816.15
7.0.150.0060.00916.13
7.0.140.0030.03018.00
7.0.130.0000.01116.21
7.0.120.0030.01016.15
7.0.110.0070.00516.06
7.0.100.0050.03317.41
7.0.90.0170.03017.35
7.0.80.0120.02617.35
7.0.70.0190.03317.50
7.0.60.0180.03217.35
7.0.50.0110.03017.54
7.0.40.0080.02216.11
7.0.30.0070.03416.08
7.0.20.0030.03816.12
7.0.10.0120.02815.97
7.0.00.0080.03216.06
5.6.400.0090.00515.37
5.6.390.0080.00614.99
5.6.380.0030.00815.06
5.6.370.0070.00515.27
5.6.360.0040.00915.28
5.6.350.0020.00915.33
5.6.340.0090.00515.34
5.6.330.0120.00115.19
5.6.320.0070.00815.10
5.6.310.0090.00515.15
5.6.300.0090.00215.21
5.6.290.0030.00815.25
5.6.280.0050.02916.94
5.6.270.0080.00715.15
5.6.260.0070.00714.94
5.6.250.0060.02917.12
5.6.240.0060.02316.89
5.6.230.0110.02816.93
5.6.220.0060.03316.85
5.6.210.0020.02817.05
5.6.200.0090.02917.20
5.6.190.0050.03617.21
5.6.180.0070.02317.17
5.6.170.0050.03517.06
5.6.160.0060.02817.01
5.6.150.0070.03417.07
5.6.140.0040.02116.99
5.6.130.0060.03217.04
5.6.120.0060.03317.16
5.6.110.0060.03417.16
5.6.100.0070.03117.07
5.6.90.0090.03116.90
5.6.80.0100.02616.93
5.6.70.0060.02416.94
5.6.60.0080.03016.84
5.6.50.0060.03216.97
5.6.40.0060.03316.93
5.6.30.0040.03216.80
5.6.20.0070.02516.80
5.6.10.0110.02716.85
5.6.00.0060.03116.95
5.5.380.0030.03716.94
5.5.370.0090.03017.02
5.5.360.0110.02916.98
5.5.350.0080.03317.04
5.5.340.0100.03017.13
5.5.330.0080.03217.04
5.5.320.0070.02917.13
5.5.310.0030.03117.04
5.5.300.0050.03017.09
5.5.290.0050.03517.16
5.5.280.0110.03017.12
5.5.270.0030.02417.22
5.5.260.0120.02917.18
5.5.250.0060.03717.04
5.5.240.0070.02116.92
5.5.230.0060.03116.81
5.5.220.0070.01916.79
5.5.210.0050.02516.79
5.5.200.0030.02116.77
5.5.190.0110.02016.67
5.5.180.0040.03516.89
5.5.170.0040.00514.97
5.5.160.0090.01616.75
5.5.150.0110.02416.81
5.5.140.0050.02416.77
5.5.130.0050.03216.75
5.5.120.0070.03116.95
5.5.110.0090.02816.79
5.5.100.0060.03116.73
5.5.90.0120.02516.84
5.5.80.0050.03016.78
5.5.70.0110.02816.67
5.5.60.0100.02816.73
5.5.50.0110.02916.76
5.5.40.0080.03016.66
5.5.30.0120.02716.65
5.5.20.0050.03216.71
5.5.10.0100.03016.61
5.5.00.0050.03016.62
5.4.450.0040.02514.31
5.4.440.0080.03114.42
5.4.430.0100.02514.40
5.4.420.0050.03114.40
5.4.410.0050.02914.50
5.4.400.0050.02814.28
5.4.390.0030.02114.24
5.4.380.0070.03014.37
5.4.370.0070.02814.26
5.4.360.0020.02914.30
5.4.350.0080.02014.32
5.4.340.0080.02414.32
5.4.330.0070.00311.84
5.4.320.0040.03014.26
5.4.310.0060.02714.43
5.4.300.0060.02814.38
5.4.290.0090.01714.31
5.4.280.0060.02014.27
5.4.270.0070.02714.37
5.4.260.0040.03014.26
5.4.250.0030.03114.38
5.4.240.0100.02314.25
5.4.230.0080.02814.30
5.4.220.0090.03014.35
5.4.210.0040.03014.27
5.4.200.0050.03114.24
5.4.190.0050.02914.32
5.4.180.0020.02814.24
5.4.170.0030.03214.29
5.4.160.0080.02714.23
5.4.150.0040.03314.32
5.4.140.0070.02613.46
5.4.130.0040.03013.40
5.4.120.0020.03013.39
5.4.110.0050.03013.49
5.4.100.0060.03013.42
5.4.90.0050.02913.55
5.4.80.0030.01913.42
5.4.70.0080.02713.47
5.4.60.0070.01813.33
5.4.50.0060.02913.40
5.4.40.0080.02013.38
5.4.30.0040.03113.51
5.4.20.0040.03013.43
5.4.10.0060.03013.37
5.4.00.0030.02813.15
5.3.290.0020.03012.95
5.3.280.0100.02712.83
5.3.270.0040.02712.92
5.3.260.0050.02712.93
5.3.250.0070.02712.88
5.3.240.0010.02312.78
5.3.230.0050.02712.89
5.3.220.0060.02812.91
5.3.210.0070.02612.82
5.3.200.0040.02612.84
5.3.190.0050.03112.86
5.3.180.0080.02412.86
5.3.170.0040.03012.93
5.3.160.0050.02712.93
5.3.150.0030.03213.03
5.3.140.0060.02212.85
5.3.130.0070.02612.86
5.3.120.0030.02912.88
5.3.110.0100.01812.91
5.3.100.0030.03112.69
5.3.90.0070.02612.67
5.3.80.0040.03112.67
5.3.70.0060.02812.66
5.3.60.0070.02912.68
5.3.50.0070.02612.66
5.3.40.0020.03412.58
5.3.30.0060.02712.63
5.3.20.0040.02612.58
5.3.10.0060.02912.58
5.3.00.0040.03112.50
5.2.170.0030.06711.20
5.2.160.0030.03711.09
5.2.150.0070.04311.23
5.2.140.0030.06711.20
5.2.130.0000.06311.13
5.2.120.0130.04011.02
5.2.110.0100.04011.04
5.2.100.0030.05711.12
5.2.90.0100.04011.21
5.2.80.0100.05310.99
5.2.70.0030.06311.13
5.2.60.0070.05710.98
5.2.50.0030.06711.04
5.2.40.0100.05711.01
5.2.30.0070.06310.89
5.2.20.0130.05711.03
5.2.10.0100.05310.80
5.2.00.0070.05310.67
5.1.60.0100.04710.07
5.1.50.0030.0579.84
5.1.40.0000.05310.02
5.1.30.0030.05310.41
5.1.20.0070.05010.46
5.1.10.0030.05310.08
5.1.00.0070.05010.15
5.0.50.0000.0478.41
5.0.40.0000.0378.53
5.0.30.0000.0678.22
5.0.20.0000.0478.20
5.0.10.0030.0408.27
5.0.00.0030.0608.21
4.4.90.0030.0338.19
4.4.80.0000.0378.19
4.4.70.0000.0408.19
4.4.60.0000.0378.19
4.4.50.0000.0378.19
4.4.40.0070.0538.19
4.4.30.0070.0338.19
4.4.20.0070.0308.19
4.4.10.0030.0378.19
4.4.00.0000.0338.19
4.3.110.0070.0338.19
4.3.100.0030.0238.19
4.3.90.0030.0338.19
4.3.80.0030.0508.19
4.3.70.0000.0278.19
4.3.60.0000.0338.19
4.3.50.0030.0208.19
4.3.40.0070.0478.19
4.3.30.0030.0338.19
4.3.20.0030.0238.19
4.3.10.0030.0378.19
4.3.00.0070.0278.19

preferences:
41.21 ms | 400 KiB | 5 Q