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::instance('Foo'); $one = Loader::instance('One'); $two = Loader::instance('Two'); 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)
8.3.60.0070.00718.55
8.3.50.0100.01022.04
8.3.40.0110.00718.87
8.3.30.0040.01119.09
8.3.20.0040.00420.29
8.3.10.0050.00323.30
8.3.00.0090.00018.86
8.2.180.0090.00616.88
8.2.170.0100.01022.96
8.2.160.0140.00020.37
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0050.00319.76
8.2.110.0040.00422.30
8.2.100.0060.00617.84
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0090.00017.68
8.2.50.0070.00318.07
8.2.40.0000.00919.95
8.2.30.0050.00418.26
8.2.20.0080.00017.85
8.2.10.0040.00417.95
8.2.00.0070.00017.81
8.1.280.0070.00725.92
8.1.270.0090.00023.79
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.87
8.1.230.0070.00418.97
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00917.22
8.1.180.0090.00018.10
8.1.170.0040.00418.65
8.1.160.0070.00022.03
8.1.150.0040.00418.52
8.1.140.0090.00017.46
8.1.130.0040.00417.82
8.1.120.0040.00417.42
8.1.110.0000.00717.32
8.1.100.0030.00817.41
8.1.90.0070.00017.39
8.1.80.0000.00717.40
8.1.70.0000.00717.39
8.1.60.0080.00017.54
8.1.50.0040.00417.51
8.1.40.0080.00017.45
8.1.30.0030.00717.53
8.1.20.0000.00817.62
8.1.10.0000.00717.38
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0030.00318.48
8.0.270.0000.00717.37
8.0.260.0000.01017.32
8.0.250.0040.00417.05
8.0.240.0000.00816.98
8.0.230.0000.00716.97
8.0.220.0030.00317.04
8.0.210.0030.00316.90
8.0.200.0040.00417.04
8.0.190.0000.00716.94
8.0.180.0030.00316.97
8.0.170.0030.00516.96
8.0.160.0040.00417.00
8.0.150.0040.00417.04
8.0.140.0040.00416.81
8.0.130.0000.00613.46
8.0.120.0030.00516.81
8.0.110.0000.00716.86
8.0.100.0000.00816.84
8.0.90.0040.00416.98
8.0.80.0090.01216.98
8.0.70.0050.00316.80
8.0.60.0000.00716.79
8.0.50.0000.00717.08
8.0.30.0130.00817.11
8.0.20.0090.01217.40
8.0.10.0040.00416.82
8.0.00.0070.01016.84
7.4.330.0000.00515.00
7.4.320.0030.00316.46
7.4.300.0040.00416.57
7.4.290.0030.00616.41
7.4.280.0070.00016.59
7.4.270.0040.00416.44
7.4.260.0000.00716.37
7.4.250.0040.00416.31
7.4.240.0020.00516.56
7.4.230.0000.00816.58
7.4.220.0190.00716.56
7.4.210.0040.01116.59
7.4.200.0020.00516.40
7.4.160.0000.01516.63
7.4.150.0120.00917.40
7.4.140.0070.01017.86
7.4.130.0100.00716.49
7.4.120.0070.01016.45
7.4.110.0160.00316.59
7.4.100.0090.00916.47
7.4.90.0130.01016.63
7.4.80.0150.00419.39
7.4.70.0130.00316.41
7.4.60.0060.00716.44
7.4.50.0080.00016.57
7.4.40.0140.00816.51
7.4.30.0100.00616.30
7.4.00.0040.00814.62
7.3.330.0060.00013.14
7.3.320.0000.00613.27
7.3.310.0030.00316.18
7.3.300.0000.00716.23
7.3.290.0100.00316.29
7.3.280.0070.01116.28
7.3.270.0160.00017.40
7.3.260.0090.00916.51
7.3.250.0090.00916.29
7.3.240.0130.00516.58
7.3.230.0100.00716.44
7.3.210.0100.00716.32
7.3.200.0130.00319.39
7.3.190.0120.00916.57
7.3.180.0130.01016.39
7.3.170.0150.00616.30
7.3.160.0060.01016.60
7.3.120.0060.00614.72
7.3.00.0040.00716.46
7.2.330.0080.01116.57
7.2.320.0120.00616.59
7.2.310.0070.01016.53
7.2.300.0170.00616.31
7.2.290.0060.01316.65
7.2.130.0000.01416.68
7.2.120.0110.00316.72
7.2.110.0030.01016.76
7.2.100.0060.01016.85
7.2.90.0080.00416.51
7.2.80.0030.01316.50
7.2.70.0000.01516.89
7.2.60.0050.00816.70
7.2.50.0080.00416.96
7.2.40.0040.00716.75
7.2.30.0000.01216.95
7.2.20.0030.00916.93
7.2.10.0070.00416.76
7.2.00.0100.00316.42
7.1.250.0030.01015.65
7.1.240.0060.00315.46
7.1.230.0100.00315.44
7.1.220.0030.00715.43
7.1.210.0060.00915.27
7.1.200.0050.00915.55
7.1.190.0060.00615.58
7.1.180.0040.00715.65
7.1.170.0040.01115.32
7.1.160.0070.00315.48
7.1.150.0070.00715.53
7.1.140.0030.01015.48
7.1.130.0080.00415.68
7.1.120.0000.01015.42
7.1.110.0000.01215.42
7.1.100.0030.01116.92
7.1.90.0060.01215.78
7.1.80.0000.01215.54
7.1.70.0050.00516.22
7.1.60.0050.01217.58
7.1.50.0080.01016.04
7.1.40.0060.00615.71
7.1.30.0030.00715.42
7.1.20.0080.00315.68
7.1.10.0040.00715.50
7.1.00.0030.04318.96
7.0.330.0060.00615.36
7.0.320.0040.00414.98
7.0.310.0040.00415.20
7.0.300.0030.00615.21
7.0.290.0070.00415.29
7.0.280.0040.00815.27
7.0.270.0070.00315.15
7.0.260.0030.01015.20
7.0.250.0000.01115.30
7.0.240.0040.01415.26
7.0.230.0030.01015.47
7.0.220.0000.00715.40
7.0.210.0000.00815.27
7.0.200.0170.00314.97
7.0.190.0060.00315.27
7.0.180.0090.00615.37
7.0.170.0040.00715.25
7.0.160.0030.00715.07
7.0.150.0030.00715.20
7.0.140.0020.03818.66
7.0.130.0000.00815.41
7.0.120.0110.00415.56
7.0.110.0040.00415.40
7.0.100.0000.01015.14
7.0.90.0070.00315.13
7.0.80.0040.00815.42
7.0.70.0070.00415.30
7.0.60.0100.04217.61
7.0.50.0050.04516.57
7.0.40.0050.04315.47
7.0.30.0060.03515.57
7.0.20.0080.04015.51
7.0.10.0070.04415.41
7.0.00.0050.02815.49
5.6.380.0060.00613.87
5.6.370.0040.01214.34
5.6.360.0030.00514.21
5.6.350.0030.01014.28
5.6.340.0030.00713.87
5.6.330.0070.00714.11
5.6.320.0060.00614.29
5.6.310.0000.00914.23
5.6.300.0060.00914.51
5.6.290.0000.01114.12
5.6.280.0020.04217.55
5.6.270.0030.01014.13
5.6.260.0060.00914.24
5.6.250.0040.00714.21
5.6.240.0040.01113.93
5.6.230.0030.00514.34
5.6.220.0080.00413.88
5.6.210.0050.04617.30
5.6.200.0060.03816.23
5.6.190.0070.03816.29
5.6.180.0080.02016.21
5.6.170.0070.03516.17
5.6.160.0050.02216.14
5.6.150.0030.04716.06
5.6.140.0100.04316.05
5.6.130.0050.02616.37
5.6.120.0030.04416.11
5.6.110.0070.03716.14
5.6.100.0070.04316.26
5.6.90.0060.04516.14
5.6.80.0060.04115.85
5.6.70.0020.02915.71
5.6.60.0070.02715.83
5.6.50.0080.04015.75
5.6.40.0050.02815.72
5.6.30.0120.03515.91
5.6.20.0070.03515.81
5.6.10.0080.02315.91
5.6.00.0070.04315.79
5.5.380.0060.00611.04
5.5.370.0030.00610.85
5.5.360.0000.01010.61
5.5.350.0140.02815.57
5.5.340.0020.04214.42
5.5.330.0030.04014.28
5.5.320.0030.02814.37
5.5.310.0050.04514.40
5.5.300.0030.02814.51
5.5.290.0050.04314.55
5.5.280.0060.02514.51
5.5.270.0040.04114.45
5.5.260.0000.03514.62
5.5.250.0030.04114.22
5.5.240.0090.03214.13
5.5.230.0080.03514.19
5.5.220.0050.04314.19
5.5.210.0030.02914.01
5.5.200.0030.04314.14
5.5.190.0060.04113.93
5.5.180.0080.03514.12
5.5.170.0030.00610.93
5.5.160.0070.04014.05
5.5.150.0080.02314.17
5.5.140.0050.02414.21
5.5.130.0100.02213.97
5.5.120.0070.04214.15
5.5.110.0050.03613.91
5.5.100.0070.02314.09
5.5.90.0070.03314.18
5.5.80.0030.03114.12
5.5.70.0070.03214.00
5.5.60.0050.03814.02
5.5.50.0100.03714.08
5.5.40.0100.03513.96
5.5.30.0030.04314.11
5.5.20.0050.03113.93
5.5.10.0050.03714.07
5.5.00.0060.03514.13
5.4.450.0130.03615.01
5.4.440.0040.03015.14
5.4.430.0070.02215.17
5.4.420.0080.04015.22
5.4.410.0030.04215.02
5.4.400.0020.04514.99
5.4.390.0030.02814.77
5.4.380.0030.02814.86
5.4.370.0020.03515.03
5.4.360.0100.02314.90
5.4.350.0000.04514.87
5.4.340.0110.03514.92
5.4.330.0030.00610.77
5.4.320.0050.03514.99
5.4.310.0090.03314.87
5.4.300.0120.03514.97
5.4.290.0080.03714.92
5.4.280.0080.03714.89
5.4.270.0030.02614.94
5.4.260.0070.03714.87
5.4.250.0050.03714.95
5.4.240.0050.04114.71
5.4.230.0050.04314.81
5.4.220.0040.02714.80
5.4.210.0020.02914.94
5.4.200.0050.02714.79
5.4.190.0070.03114.90
5.4.180.0030.02414.78
5.4.170.0000.03514.92
5.4.160.0060.02515.04
5.4.150.0070.03614.87
5.4.140.0070.02913.57
5.4.130.0050.02513.51
5.4.120.0030.04013.56
5.4.110.0080.03313.70
5.4.100.0030.03513.75
5.4.90.0070.03513.54
5.4.80.0030.02213.56
5.4.70.0070.02313.43
5.4.60.0030.02513.54
5.4.50.0030.03813.52
5.4.40.0080.02813.65
5.4.30.0050.02813.69
5.4.20.0030.04013.42
5.4.10.0030.02213.50
5.4.00.0050.03213.15
5.3.290.0070.04012.60
5.3.280.0030.04512.47
5.3.270.0080.03212.53
5.3.260.0040.04012.46
5.3.250.0070.03312.42
5.3.240.0050.03712.38
5.3.230.0080.03512.45
5.3.220.0030.03012.48
5.3.210.0080.03012.41
5.3.200.0030.04212.42
5.3.190.0030.03312.45
5.3.180.0040.04112.64
5.3.170.0000.03012.54
5.3.160.0030.03712.58
5.3.150.0050.03412.53
5.3.140.0050.03312.43
5.3.130.0120.03512.36
5.3.120.0020.02712.47
5.3.110.0020.03912.49
5.3.100.0000.02412.25
5.3.90.0030.02512.21
5.3.80.0040.04412.15
5.3.70.0000.04312.12
5.3.60.0070.03812.14
5.3.50.0050.02912.12
5.3.40.0030.02512.20
5.3.30.0100.03112.04
5.3.20.0030.04212.02
5.3.10.0020.02711.92
5.3.00.0070.03711.79
5.2.170.0020.03110.55
5.2.160.0030.02110.50
5.2.150.0000.02110.58
5.2.140.0030.03110.54
5.2.130.0030.03310.48
5.2.120.0040.02810.55
5.2.110.0070.02710.57
5.2.100.0000.02810.46
5.2.90.0050.02310.55
5.2.80.0070.03210.53
5.2.70.0040.02310.55
5.2.60.0100.03010.45
5.2.50.0020.02910.51
5.2.40.0050.02610.53
5.2.30.0070.02010.49
5.2.20.0050.03410.49
5.2.10.0030.03310.39
5.2.00.0070.02810.32
5.1.60.0030.02810.01
5.1.50.0020.02610.01
5.1.40.0070.0249.96
5.1.30.0030.03010.18
5.1.20.0050.02810.13
5.1.10.0030.02610.06
5.1.00.0020.02910.06
5.0.50.0030.0149.24
5.0.40.0040.0239.22
5.0.30.0030.0349.08
5.0.20.0030.0239.06
5.0.10.0030.0249.08
5.0.00.0000.0349.08
4.4.90.0020.0149.01
4.4.80.0020.0179.01
4.4.70.0000.0169.01
4.4.60.0030.0189.01
4.4.50.0020.0109.01
4.4.40.0020.0289.01
4.4.30.0020.0139.01
4.4.20.0030.0089.01
4.4.10.0030.0209.01
4.4.00.0030.0269.01
4.3.110.0000.0219.01
4.3.100.0020.0219.01
4.3.90.0050.0089.01
4.3.80.0050.0259.01
4.3.70.0000.0129.01
4.3.60.0020.0209.01
4.3.50.0020.0219.01
4.3.40.0010.0309.01
4.3.30.0000.0129.01
4.3.20.0030.0209.01
4.3.10.0020.0229.01
4.3.00.0000.0209.01

preferences:
39.43 ms | 400 KiB | 5 Q