3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected static $_instance; protected function __construct() {} public static function getInstance() { if (self::$_instance === null) { self::$_instance = new self(); } return self::$_instance; } } class B extends A { public function hi() { echo 'HI'; } } echo get_class(B::getInstance()); $b = B::getInstance(); $b->hi();

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)
8.3.60.0140.00718.68
8.3.50.0140.00621.20
8.3.40.0000.01518.83
8.3.30.0150.00018.65
8.3.20.0080.00020.33
8.3.10.0040.00421.94
8.3.00.0080.00018.04
8.2.180.0120.00318.43
8.2.170.0070.00722.96
8.2.160.0100.01022.12
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00517.61
8.2.110.0060.00320.35
8.2.100.0090.00317.91
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0000.00817.47
8.2.60.0000.00817.80
8.2.50.0030.00518.07
8.2.40.0000.00719.23
8.2.30.0070.00020.69
8.2.20.0090.00017.82
8.2.10.0050.00217.93
8.2.00.0000.00718.01
8.1.280.0070.01125.92
8.1.270.0120.00623.84
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00323.77
8.1.230.0040.00717.47
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0050.00517.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0070.00021.94
8.1.150.0030.00618.85
8.1.140.0000.00817.42
8.1.130.0030.00317.65
8.1.120.0050.00217.45
8.1.110.0000.00717.32
8.1.100.0040.00417.31
8.1.90.0040.00417.24
8.1.80.0080.00017.39
8.1.70.0000.00717.43
8.1.60.0050.00317.54
8.1.50.0030.00617.52
8.1.40.0080.00017.53
8.1.30.0030.00617.63
8.1.20.0040.00417.56
8.1.10.0000.00717.54
8.1.00.0030.00517.40
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.50
8.0.270.0000.00717.34
8.0.260.0060.00017.17
8.0.250.0040.00417.07
8.0.240.0070.00016.98
8.0.230.0050.00216.98
8.0.220.0000.00916.77
8.0.210.0000.00716.86
8.0.200.0030.00316.85
8.0.190.0090.00316.83
8.0.180.0000.00716.93
8.0.170.0030.00616.91
8.0.160.0040.00416.81
8.0.150.0050.00316.82
8.0.140.0030.00716.83
8.0.130.0030.00313.31
8.0.120.0000.00816.86
8.0.110.0000.00816.93
8.0.100.0040.00416.80
8.0.90.0000.00716.92
8.0.80.0090.00916.90
8.0.70.0000.00716.94
8.0.60.0030.00316.70
8.0.50.0000.00716.94
8.0.30.0130.00517.15
8.0.20.0100.00917.40
8.0.10.0040.00416.93
8.0.00.0110.00916.80
7.4.330.0030.00315.08
7.4.320.0060.00016.63
7.4.300.0060.00316.45
7.4.290.0040.00416.50
7.4.280.0070.00016.51
7.4.270.0030.00316.61
7.4.260.0000.00716.48
7.4.250.0040.00416.49
7.4.240.0040.00316.52
7.4.230.0050.00216.49
7.4.220.0090.00916.48
7.4.210.0070.01216.55
7.4.200.0000.00716.68
7.4.160.0140.00416.42
7.4.150.0070.01117.40
7.4.140.0080.01317.86
7.4.130.0080.01116.49
7.4.120.0100.00816.50
7.4.110.0150.00416.64
7.4.100.0110.00716.43
7.4.90.0140.00316.58
7.4.80.0090.00919.39
7.4.70.0090.01216.47
7.4.60.0070.01016.65
7.4.50.0000.00516.54
7.4.40.0040.01216.63
7.4.30.0110.00516.59
7.4.00.0070.00914.87
7.3.330.0030.00313.44
7.3.320.0050.00013.36
7.3.310.0000.00716.44
7.3.300.0000.00716.24
7.3.290.0090.00616.35
7.3.280.0100.00816.36
7.3.270.0130.00417.40
7.3.260.0110.01116.43
7.3.250.0110.00616.50
7.3.240.0080.00816.52
7.3.230.0100.01316.49
7.3.210.0130.00316.48
7.3.200.0070.01016.45
7.3.190.0070.01316.44
7.3.180.0120.00316.36
7.3.170.0060.01216.45
7.3.160.0070.01416.29
7.3.120.0030.01314.75
7.3.110.0060.00914.98
7.3.100.0030.01014.44
7.3.90.0030.01114.77
7.3.80.0000.01514.88
7.3.70.0070.00714.73
7.3.60.0070.00314.89
7.3.50.0070.01014.58
7.3.40.0050.00514.54
7.3.30.0090.00614.71
7.3.20.0060.00616.56
7.3.10.0080.00316.51
7.3.00.0070.00316.45
7.2.330.0110.00616.74
7.2.320.0160.00316.33
7.2.310.0000.01716.59
7.2.300.0070.01016.57
7.2.290.0090.01316.34
7.2.250.0100.01015.35
7.2.240.0070.01414.96
7.2.230.0030.01214.97
7.2.220.0170.00015.02
7.2.210.0040.00814.96
7.2.200.0000.01314.86
7.2.190.0060.00614.96
7.2.180.0090.00614.93
7.2.170.0110.00715.06
7.2.130.0080.00716.57
7.2.120.0080.00816.75
7.2.110.0140.00316.79
7.2.100.0040.01016.92
7.2.90.0040.00816.80
7.2.80.0050.01216.87
7.2.70.0070.01016.66
7.2.60.0060.00716.79
7.2.50.0110.00416.90
7.2.40.0050.00616.86
7.2.30.0050.01216.86
7.2.20.0130.00416.76
7.2.10.0100.00816.86
7.2.00.0100.00617.76
7.1.330.0000.01615.48
7.1.320.0090.00615.92
7.1.310.0000.01415.54
7.1.300.0040.01115.80
7.1.290.0030.00615.79
7.1.280.0030.00915.57
7.1.270.0000.00815.84
7.1.260.0060.00315.87
7.1.250.0050.00615.55
7.1.240.0090.00615.60
7.1.230.0080.00315.65
7.1.220.0050.00515.64
7.1.210.0030.01015.81
7.1.200.0060.00615.50
7.1.190.0070.00715.42
7.1.180.0090.00615.75
7.1.170.0040.00415.82
7.1.160.0100.00715.40
7.1.150.0070.00715.64
7.1.140.0070.00415.57
7.1.130.0030.01015.66
7.1.120.0030.00515.59
7.1.110.0070.00715.61
7.1.100.0080.00716.94
7.1.90.0030.00715.91
7.1.80.0100.00715.46
7.1.70.0030.01116.51
7.1.60.0030.01517.47
7.1.50.0030.01016.19
7.1.40.0000.01115.72
7.1.30.0030.00915.61
7.1.20.0040.00815.52
7.1.10.0030.01215.69
7.1.00.0060.03718.89
7.0.330.0100.00715.42
7.0.320.0080.00015.33
7.0.310.0000.01015.38
7.0.300.0000.01315.13
7.0.290.0030.00715.43
7.0.280.0090.00015.57
7.0.270.0000.00815.09
7.0.260.0030.00915.45
7.0.250.0070.00415.06
7.0.240.0000.00915.11
7.0.230.0070.00715.36
7.0.220.0060.00515.18
7.0.210.0070.00415.39
7.0.200.0030.00716.08
7.0.190.0030.00915.36
7.0.180.0060.00915.62
7.0.170.0080.00015.13
7.0.160.0060.00615.11
7.0.150.0070.00615.24
7.0.140.0070.00715.15
7.0.130.0030.00715.16
7.0.120.0030.01015.04
7.0.110.0000.01115.25
7.0.100.0080.03417.63
7.0.90.0050.04217.68
7.0.80.0080.03717.66
7.0.70.0110.02017.73
7.0.60.0130.02317.64
7.0.50.0130.04117.87
7.0.40.0050.04016.72
7.0.30.0050.03716.81
7.0.20.0100.02216.67
7.0.10.0070.04416.81
7.0.00.0030.04216.71
5.6.380.0080.00414.68
5.6.370.0090.00314.57
5.6.360.0000.01014.30
5.6.350.0070.00414.14
5.6.340.0050.00814.36
5.6.330.0030.00713.80
5.6.320.0000.01214.36
5.6.310.0060.00614.47
5.6.300.0040.00414.06
5.6.290.0140.00014.32
5.6.280.0030.03817.73
5.6.270.0030.00814.11
5.6.260.0000.00814.18
5.6.250.0120.03017.42
5.6.240.0070.03817.51
5.6.230.0080.04217.53
5.6.220.0030.02917.52
5.6.210.0070.03017.29
5.6.200.0070.02917.64
5.6.190.0080.02517.58
5.6.180.0020.04517.64
5.6.170.0070.02217.71
5.6.160.0030.02617.66
5.6.150.0060.02417.71
5.6.140.0070.04317.61
5.6.130.0070.03017.75
5.6.120.0080.02217.75
5.6.110.0080.04417.80
5.6.100.0010.02617.69
5.6.90.0060.04717.72
5.6.80.0070.04117.09
5.6.70.0090.02017.35
5.6.60.0110.03617.23
5.6.50.0040.02117.24
5.6.40.0070.04117.23
5.6.30.0130.04217.35
5.6.20.0030.04017.18
5.6.10.0070.03817.31
5.6.00.0070.02317.30
5.5.380.0050.02715.91
5.5.370.0070.04115.85
5.5.360.0140.03515.87
5.5.350.0030.02415.67
5.5.340.0100.03916.03
5.5.330.0100.03716.05
5.5.320.0050.02915.95
5.5.310.0100.02716.00
5.5.300.0040.02316.10
5.5.290.0050.03316.07
5.5.280.0020.04616.17
5.5.270.0020.04616.19
5.5.260.0030.02415.96
5.5.250.0110.03715.91
5.5.240.0080.03715.61
5.5.230.0030.02615.75
5.5.220.0070.02015.59
5.5.210.0070.03715.70
5.5.200.0110.03615.63
5.5.190.0060.02015.72
5.5.180.0070.03715.59
5.5.170.0000.01110.90
5.5.160.0050.04115.56
5.5.150.0080.04115.56
5.5.140.0110.02015.75
5.5.130.0050.04015.59
5.5.120.0020.04115.49
5.5.110.0080.04115.55
5.5.100.0070.02715.59
5.5.90.0080.02015.61
5.5.80.0060.02115.53
5.5.70.0020.02815.66
5.5.60.0020.03015.65
5.5.50.0050.03315.60
5.5.40.0040.04015.66
5.5.30.0060.04015.57
5.5.20.0060.02215.73
5.5.10.0050.03115.52
5.5.00.0030.03815.50
5.4.450.0100.03315.24
5.4.440.0000.03515.28
5.4.430.0050.04015.18
5.4.420.0030.02315.31
5.4.410.0070.04315.11
5.4.400.0050.03215.06
5.4.390.0080.03815.06
5.4.380.0080.01815.02
5.4.370.0030.02314.97
5.4.360.0080.01814.97
5.4.350.0090.03415.02
5.4.340.0050.03214.88
5.4.330.0000.00910.90
5.4.320.0050.04314.97
5.4.310.0060.04014.95
5.4.300.0090.03715.17
5.4.290.0070.04015.04
5.4.280.0060.03115.21
5.4.270.0060.02915.04
5.4.260.0060.03514.96
5.4.250.0060.02214.96
5.4.240.0080.04215.13
5.4.230.0060.02814.96
5.4.220.0090.04114.91
5.4.210.0050.02615.06
5.4.200.0080.03914.93
5.4.190.0100.02015.02
5.4.180.0080.04015.00
5.4.170.0040.02615.10
5.4.160.0080.02215.22
5.4.150.0050.02515.07
5.4.140.0040.03213.69
5.4.130.0120.03213.69
5.4.120.0060.03913.84
5.4.110.0030.03913.83
5.4.100.0010.02513.72
5.4.90.0050.03713.71
5.4.80.0030.02213.81
5.4.70.0110.03213.72
5.4.60.0120.03413.63
5.4.50.0000.02713.68
5.4.40.0050.04113.79
5.4.30.0050.04213.57
5.4.20.0090.03113.73
5.4.10.0080.03213.68
5.4.00.0120.02013.49

preferences:
46.86 ms | 401 KiB | 5 Q