3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Mother { /** @var array */ private static $inMemoryCache = []; public function testMethod($param) { $cacheKey = '_'.$param; if (!isset(self::$inMemoryCache[$cacheKey])) { echo PHP_EOL, 'compute result', PHP_EOL; self::$inMemoryCache[$cacheKey] = $param * 2; } return self::$inMemoryCache[$cacheKey]; } } final class Daughter extends Mother { } final class Son extends Mother { } $d = new Daughter(); $s = new Son(); $d->testMethod(1); $d->testMethod(1); $s->testMethod(1); $s->testMethod(1);

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)
8.3.60.0070.01118.21
8.3.50.0070.01018.17
8.3.40.0160.00718.79
8.3.30.0000.01618.67
8.3.20.0040.00419.25
8.3.10.0030.00621.99
8.3.00.0040.00420.64
8.2.180.0090.00918.16
8.2.170.0120.00322.96
8.2.160.0150.00422.25
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0000.00818.09
8.2.120.0070.00026.35
8.2.110.0060.00320.38
8.2.100.0040.00817.91
8.2.90.0000.00817.75
8.2.80.0040.00417.97
8.2.70.0040.00418.05
8.2.60.0040.00418.03
8.2.50.0000.00818.10
8.2.40.0060.00319.46
8.2.30.0040.00419.43
8.2.20.0040.00418.12
8.2.10.0050.00218.15
8.2.00.0060.00317.64
8.1.280.0130.00325.92
8.1.270.0030.00618.92
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0040.00422.09
8.1.230.0000.01117.82
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0040.00418.71
8.1.160.0000.00718.89
8.1.150.0040.00418.81
8.1.140.0030.00322.20
8.1.130.0000.00722.00
8.1.120.0030.00517.37
8.1.110.0040.00417.43
8.1.100.0000.00817.43
8.1.90.0060.00317.37
8.1.80.0080.00017.45
8.1.70.0030.00317.49
8.1.60.0080.00017.58
8.1.50.0000.00717.58
8.1.40.0040.00417.41
8.1.30.0000.00917.68
8.1.20.0050.00217.62
8.1.10.0050.00217.55
8.1.00.0070.00017.55
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0050.00318.46
8.0.270.0070.00017.18
8.0.260.0070.00018.38
8.0.250.0030.00616.98
8.0.240.0000.00817.01
8.0.230.0020.00516.91
8.0.220.0030.00316.90
8.0.210.0030.00316.79
8.0.200.0040.00416.92
8.0.190.0050.00317.02
8.0.180.0000.00716.89
8.0.170.0090.00016.94
8.0.160.0080.00016.89
8.0.150.0000.00816.81
8.0.140.0000.00716.82
8.0.130.0000.00613.23
8.0.120.0050.00316.84
8.0.110.0030.00616.96
8.0.100.0030.00616.73
8.0.90.0040.00416.89
8.0.80.0060.00916.91
8.0.70.0040.00416.84
8.0.60.0000.00716.85
8.0.50.0000.00816.75
8.0.30.0100.01017.36
8.0.20.0130.00717.40
8.0.10.0070.00016.91
8.0.00.0100.01016.82
7.4.330.0020.00215.55
7.4.320.0030.00316.53
7.4.300.0030.00316.52
7.4.290.0030.00316.65
7.4.280.0040.00416.60
7.4.270.0000.00716.45
7.4.260.0030.00316.39
7.4.250.0040.00416.61
7.4.240.0030.00316.43
7.4.230.0030.00316.68
7.4.220.0070.00016.59
7.4.210.0100.00616.59
7.4.200.0000.00716.64
7.4.160.0060.00916.41
7.4.140.0120.01017.86
7.4.130.0080.00816.57
7.4.120.0100.00916.58
7.4.110.0090.00916.62
7.4.100.0040.01316.60
7.4.90.0150.00416.54
7.4.80.0100.00719.39
7.4.70.0080.01216.57
7.4.60.0090.00616.61
7.4.50.0040.00816.51
7.4.40.0100.00716.63
7.4.00.0090.00614.81
7.3.330.0050.00013.39
7.3.320.0030.00313.36
7.3.310.0030.00516.47
7.3.300.0000.00716.36
7.3.290.0000.00616.23
7.3.280.0010.01416.34
7.3.260.0080.01016.45
7.3.240.0090.00916.51
7.3.230.0140.00316.36
7.3.210.0100.00716.40
7.3.200.0140.00316.32
7.3.190.0100.00716.66
7.3.180.0160.00016.48
7.3.170.0030.01316.36
7.3.160.0180.00616.31
7.2.330.0080.00916.57
7.2.320.0030.01416.78
7.2.310.0100.00816.68
7.2.300.0070.01016.87
7.2.290.0030.01316.72
7.2.110.0380.00314.77
7.2.100.0280.00014.88
7.2.90.0400.00915.03
7.2.80.0370.00314.92
7.2.70.0270.00815.27
7.2.60.0380.01315.30
7.2.50.0300.01214.98
7.2.40.0240.01015.09
7.2.30.0320.01115.27
7.2.20.0210.00715.14
7.2.10.0210.00715.11
7.2.00.0330.00715.26
7.1.230.0260.00914.06
7.1.220.1470.00713.75
7.1.210.0250.00613.80
7.1.200.0420.00614.04
7.1.190.0310.00614.09
7.1.180.0310.00613.83
7.1.170.0250.00714.01
7.1.160.0310.01013.88
7.1.150.0270.00313.73
7.1.140.0220.01113.96
7.1.130.0930.00613.72
7.1.120.0230.00714.15
7.1.110.0250.00714.04
7.1.100.0270.00713.94
7.1.90.0250.00713.78
7.1.80.0240.00613.88
7.1.70.0320.00313.84
7.1.60.0380.00731.99
7.1.50.0550.00632.05
7.1.40.0460.01031.80
7.1.30.0380.01031.55
7.1.20.0430.01631.71
7.1.10.0170.00714.00
7.1.00.0150.00914.01
7.0.310.0490.01013.46
7.0.300.0290.00913.57
7.0.290.0510.00913.52
7.0.280.0210.00613.60
7.0.270.0310.01013.46
7.0.260.0400.00713.52
7.0.250.0400.00513.80
7.0.240.0330.01313.46
7.0.230.0340.00613.61
7.0.220.0350.00913.70
7.0.210.0340.00413.69
7.0.200.0340.00313.64
7.0.190.0350.00713.63
7.0.180.0230.00913.53
7.0.170.0250.01413.53
7.0.160.0290.01813.64
7.0.150.0180.01513.45
7.0.140.0180.01113.64
7.0.130.0220.00413.65
7.0.120.1590.00613.73
7.0.110.0290.00513.70
7.0.100.0220.00913.66
7.0.90.0270.00713.51
7.0.80.0240.00013.71
7.0.70.0240.00313.70
7.0.60.0520.01513.78
7.0.50.0320.00413.45
7.0.40.0260.01113.50
7.0.30.0290.00013.50
7.0.20.0320.00413.72
7.0.10.0270.00313.38
7.0.00.0270.01013.67
5.6.380.0080.00414.48
5.6.370.0150.00314.42
5.6.360.0150.01014.65
5.6.350.0210.00014.55
5.6.340.0170.00414.25
5.6.330.0150.00714.30
5.6.320.0070.01114.38
5.6.310.0160.00314.65
5.6.300.0170.00414.22
5.6.290.0140.00414.70
5.6.280.0120.00814.56
5.6.270.0150.00414.40
5.6.260.0130.00814.66
5.6.250.0130.00414.18
5.6.240.0100.00714.59
5.6.230.0070.01114.50
5.6.220.0110.00714.27
5.6.210.0130.00514.44
5.6.200.0060.01114.38
5.6.190.0160.00314.50
5.6.180.0160.00514.38
5.6.170.0100.01114.54
5.6.160.0110.00914.25
5.6.150.0180.00614.55
5.6.140.0120.00714.44
5.6.130.0120.00814.56
5.6.120.0150.00714.32
5.6.110.0170.00714.43
5.6.100.0040.01414.29
5.6.90.0130.00814.34
5.6.80.0170.00314.32
5.6.70.0030.01414.45
5.6.60.0130.00714.20
5.6.50.0140.00314.36
5.6.40.0050.01514.21
5.6.30.0160.00514.28
5.6.20.0160.00314.47
5.6.10.0160.00314.31
5.6.00.0140.00714.27
5.5.380.0070.00711.30
5.5.370.0050.01111.29
5.5.360.0080.00511.29
5.5.350.0120.00311.29
5.5.340.0100.00511.52
5.5.330.0080.00411.29
5.5.320.0080.00411.29
5.5.310.0090.00911.50
5.5.300.0060.00711.29
5.5.290.0110.00611.59
5.5.280.0070.00711.29
5.5.270.0100.00711.48
5.5.260.0080.00611.29
5.5.250.0110.00311.29
5.5.240.0110.00611.32
5.5.230.0060.00911.29
5.5.220.0030.01011.29
5.5.210.0150.00011.29
5.5.200.0090.00511.29
5.5.190.0170.00011.29
5.5.180.0100.00511.29
5.5.170.0080.01314.25
5.5.160.0110.00611.40
5.5.150.0090.00611.29
5.5.140.0090.00611.29
5.5.130.0090.00911.32
5.5.120.0090.00411.29
5.5.110.0140.00311.29
5.5.100.0050.01011.47
5.5.90.0090.00511.30
5.5.80.0060.00911.41
5.5.70.0070.00711.29
5.5.60.0140.00011.30
5.5.50.0130.00011.31
5.5.40.0120.00011.41
5.5.30.0120.00311.29
5.5.20.0110.00311.42
5.5.10.0100.00311.29
5.5.00.0060.00611.41
5.4.450.0100.00611.29
5.4.440.0140.00011.29
5.4.430.0140.00011.38
5.4.420.0050.01111.29
5.4.410.0130.00011.29
5.4.400.0050.01111.29
5.4.390.0080.00811.29
5.4.380.0100.00511.29
5.4.370.0080.00811.29
5.4.360.0090.00511.29
5.4.350.0100.00311.29
5.4.340.0120.00211.38
5.4.330.0080.00811.29
5.4.320.0100.00311.29
5.4.310.0070.00711.45
5.4.300.0070.00711.29
5.4.290.0090.00511.29
5.4.280.0110.00611.29
5.4.270.0120.00311.29
5.4.260.0090.00611.29
5.4.250.0060.01111.30
5.4.240.0160.00011.29
5.4.230.0040.01211.29
5.4.220.0100.00311.29
5.4.210.0100.00311.43
5.4.200.0000.01211.29
5.4.190.0070.01011.35
5.4.180.0120.00311.29
5.4.170.0080.00811.29
5.4.160.0040.01111.29
5.4.150.0100.00711.29
5.4.140.0090.00211.29
5.4.130.0130.00311.29
5.4.120.0130.00011.29
5.4.110.0120.00311.29
5.4.100.0120.00311.29
5.4.90.0110.00011.45
5.4.80.0130.00011.29
5.4.70.0000.01111.29
5.4.60.0090.00311.29
5.4.50.0050.01011.29
5.4.40.0070.00711.29
5.4.30.0110.00411.35
5.4.20.0130.00311.29
5.4.10.0140.00011.29
5.4.00.0120.00011.29
5.3.290.0070.00711.29
5.3.280.0070.00711.29
5.3.270.0130.00011.29
5.3.260.0110.00311.29
5.3.250.0070.00411.29
5.3.240.0080.00311.29
5.3.230.0070.00711.29
5.3.220.0090.00511.29
5.3.210.0080.00411.29
5.3.200.0110.00511.29
5.3.190.0110.00311.29
5.3.180.0130.00011.29
5.3.170.0080.00411.29
5.3.160.0100.00311.29
5.3.150.0080.00411.29
5.3.140.0090.00311.29
5.3.130.0130.00011.29
5.3.120.0110.00311.29
5.3.110.0100.00811.29
5.3.100.0100.00611.29
5.3.90.0090.00311.29
5.3.80.0110.00411.29
5.3.70.0120.00011.29
5.3.60.0060.00611.29
5.3.50.0140.00011.29
5.3.40.0040.00911.29
5.3.30.0070.00711.29
5.3.20.0060.00711.29
5.3.10.0070.00511.29
5.3.00.0120.00311.29
5.2.170.0040.00411.29
5.2.160.0060.00611.29
5.2.150.0060.00611.29
5.2.140.0090.00011.29
5.2.130.0060.00611.29
5.2.120.0060.00411.29
5.2.110.0100.00011.29
5.2.100.0070.00311.29
5.2.90.0030.00811.29
5.2.80.0110.00011.29
5.2.70.0100.00011.29
5.2.60.0090.00011.29
5.2.50.0040.00411.29
5.2.40.0040.00711.29
5.2.30.0080.00411.29
5.2.20.0070.00411.29
5.2.10.0050.00611.29
5.2.00.0060.00311.29
5.1.60.0070.00211.29
5.1.50.0020.00711.29
5.1.40.0000.00911.29
5.1.30.0090.00011.29
5.1.20.0040.00411.29
5.1.10.0080.00311.29
5.1.00.0050.00511.29
5.0.50.0040.00411.29
5.0.40.0080.00011.29
5.0.30.0080.00011.29
5.0.20.0050.00211.29
5.0.10.0030.00311.29
5.0.00.0080.00011.29
4.4.90.0060.00011.29
4.4.80.0080.00011.29
4.4.70.0040.00211.29
4.4.60.0050.00011.29
4.4.50.0000.00711.29
4.4.40.0000.00611.29
4.4.30.0080.00011.29
4.4.20.0040.00311.29
4.4.10.0000.00611.29
4.4.00.0030.00611.29
4.3.110.0050.00011.29
4.3.100.0030.00411.29
4.3.90.0040.00411.29
4.3.80.0060.00211.29
4.3.70.0040.00411.29
4.3.60.0070.00011.29
4.3.50.0050.00211.29
4.3.40.0070.00011.29
4.3.30.0050.00311.29
4.3.20.0000.00511.29
4.3.10.0050.00011.29
4.3.00.0000.00411.29

preferences:
48.99 ms | 400 KiB | 5 Q