3v4l.org

run code in 300+ PHP versions simultaneously
<?php class testing { public function test ($varr = false, $count, &$array = array()){ if ($count > 2) return 1; $array[] = $this->test($count+1); return 1000; } } $testme = new testing(); //var_dump($testme->test()); var_dump($testme->test(true, 0));

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)
8.3.60.0170.00318.56
8.3.50.0100.00721.14
8.3.40.0180.00419.92
8.3.30.0110.01119.27
8.2.180.0110.01118.29
8.2.170.0060.01218.96
8.2.160.0150.00020.21
8.1.280.0160.00025.92
7.4.10.0070.01014.91
7.4.00.0080.01014.88
7.3.130.0100.00714.76
7.3.120.0050.01114.83
7.3.110.0110.00614.83
7.3.100.0090.00714.88
7.3.90.0070.01014.78
7.3.80.0070.00814.93
7.3.70.0060.00914.86
7.3.60.0040.00614.85
7.3.50.0050.00914.82
7.3.40.0080.00514.91
7.3.30.0030.00914.78
7.3.20.0040.01216.69
7.3.10.0040.01016.55
7.3.00.0050.00716.65
7.2.260.0100.00714.97
7.2.250.0090.00715.05
7.2.240.0100.00814.97
7.2.230.0040.01414.96
7.2.220.0070.01014.94
7.2.210.0030.00814.99
7.2.200.0070.00714.97
7.2.190.0100.00414.87
7.2.180.0070.00914.96
7.2.170.0030.01114.84
7.2.160.0090.00614.81
7.2.150.0070.00717.01
7.2.140.0090.00616.66
7.2.130.0000.01416.63
7.2.120.0070.00317.09
7.2.110.0030.00716.71
7.2.100.0040.00816.74
7.2.90.0030.01316.74
7.2.80.0060.00617.00
7.2.70.0070.01016.98
7.2.60.0050.00916.69
7.2.50.0060.00617.00
7.2.40.0040.00416.97
7.2.30.0070.00716.96
7.2.20.0030.01016.85
7.2.10.0050.00516.55
7.2.00.0070.00517.78
7.1.330.0070.00915.67
7.1.320.0060.00915.68
7.1.310.0050.00815.77
7.1.300.0060.00515.67
7.1.290.0050.00715.65
7.1.280.0040.01015.68
7.1.270.0050.00915.79
7.1.260.0060.00615.64
7.1.250.0060.00615.76
7.1.240.0030.00615.36
7.1.230.0000.00915.80
7.1.220.0100.00615.59
7.1.210.0060.00315.75
7.1.200.0080.00615.60
7.1.190.0070.00315.41
7.1.180.0060.00615.77
7.1.170.0050.00515.68
7.1.160.0040.00715.78
7.1.150.0000.01515.62
7.1.140.0060.00315.69
7.1.130.0050.00515.68
7.1.120.0030.00715.34
7.1.110.0100.00315.86
7.1.100.0100.00316.86
7.1.90.0040.01115.84
7.1.80.0030.00715.81
7.1.70.0050.00516.20
7.1.60.0090.00717.51
7.1.50.0060.00816.29
7.1.40.0060.00615.89
7.1.30.0040.00815.74
7.1.20.0070.00715.68
7.1.10.0030.01015.46
7.1.00.0050.03719.04
7.0.330.0070.01015.30
7.0.320.0000.01215.17
7.0.310.0130.00315.41
7.0.300.0000.01115.15
7.0.290.0070.01015.34
7.0.280.0090.00615.22
7.0.270.0030.00715.57
7.0.260.0040.00415.41
7.0.250.0070.00715.54
7.0.240.0040.00415.27
7.0.230.0030.01315.50
7.0.220.0090.00615.50
7.0.210.0110.00715.38
7.0.200.0050.00716.01
7.0.190.0060.01215.23
7.0.180.0040.01115.36
7.0.170.0110.00815.44
7.0.160.0030.00715.20
7.0.150.0030.01015.45
7.0.140.0100.03518.88
7.0.130.0040.01115.53
7.0.120.0060.00615.39
7.0.110.0090.00315.50
7.0.100.0070.00715.33
7.0.90.0090.00915.58
7.0.80.0070.00415.39
7.0.70.0100.04317.61
7.0.60.0110.03017.53
7.0.50.0050.04917.83
7.0.40.0050.03316.81
7.0.30.0050.05216.73
7.0.20.0130.03816.67
7.0.10.0050.04816.74
7.0.00.0080.04716.78
5.6.400.0070.01314.13
5.6.390.0030.01114.52
5.6.380.0060.00614.59
5.6.370.0110.01114.76
5.6.360.0040.01114.84
5.6.350.0060.00314.63
5.6.340.0150.00414.77
5.6.330.0040.00414.69
5.6.320.0090.00614.32
5.6.310.0120.00414.83
5.6.300.0100.00314.75
5.6.290.0080.00814.66
5.6.280.0030.01014.78
5.6.270.0000.01214.65
5.6.260.0040.00714.46
5.6.250.0070.01114.92
5.6.240.0130.00614.47
5.6.230.0040.01214.64
5.6.220.0100.04517.69
5.6.210.0050.03517.56
5.6.200.0130.04017.71
5.6.190.0050.04417.91
5.6.180.0110.03117.90
5.6.170.0070.03017.95
5.6.160.0130.03817.90
5.6.150.0100.03017.79
5.6.140.0030.04917.86
5.6.130.0120.03818.07
5.6.120.0090.05018.01
5.6.110.0090.04617.95
5.6.100.0100.04018.03
5.6.90.0120.04417.91
5.6.80.0120.03317.60
5.6.70.0130.03717.69
5.6.60.0070.04517.56
5.6.50.0030.03817.65
5.6.40.0050.04417.39
5.6.30.0070.04417.80
5.6.20.0110.04217.59
5.6.10.0160.03717.62
5.6.00.0090.04817.45
5.5.380.0030.00614.71
5.5.370.0130.00714.58
5.5.360.0070.03917.63
5.5.350.0040.03917.63
5.5.340.0050.03317.83
5.5.330.0050.03317.85
5.5.320.0130.03217.78
5.5.310.0070.03517.74
5.5.300.0080.03517.87
5.5.290.0060.03517.72
5.5.280.0080.03317.67
5.5.270.0050.03617.74
5.5.260.0130.02817.78
5.5.250.0120.03217.67
5.5.240.0110.02817.23
5.5.230.0070.03117.27
5.5.220.0070.03317.28
5.5.210.0120.02817.48
5.5.200.0030.03917.50
5.5.190.0080.03417.39
5.5.180.0050.03817.46
5.5.170.0140.00314.52
5.5.160.0070.03317.36
5.5.150.0050.03417.56
5.5.140.0130.03417.46
5.5.130.0110.02917.29
5.5.120.0080.03317.62
5.5.110.0100.02817.47
5.5.100.0080.03017.32
5.5.90.0090.03117.19
5.5.80.0020.03817.45
5.5.70.0060.03317.33
5.5.60.0150.03817.43
5.5.50.0110.03017.41
5.5.40.0070.03817.38
5.5.30.0070.03417.43
5.5.20.0090.03117.37
5.5.10.0120.03017.30
5.5.00.0090.03217.32
5.4.450.0100.03815.78
5.4.440.0070.03515.85
5.4.430.0070.02815.82
5.4.420.0080.03115.79
5.4.410.0130.02815.75
5.4.400.0050.03215.71
5.4.390.0070.02815.61
5.4.380.0080.03415.71
5.4.370.0100.02815.75
5.4.360.0120.02815.57
5.4.350.0160.02515.61
5.4.340.0050.03315.70
5.4.330.0030.01312.09
5.4.320.0110.02815.59
5.4.310.0130.02615.59
5.4.300.0070.03115.51
5.4.290.0030.03815.60
5.4.280.0050.03415.69
5.4.270.0100.03015.62
5.4.260.0120.02715.67
5.4.250.0050.03315.65
5.4.240.0110.02815.68
5.4.230.0050.03015.63
5.4.220.0070.03415.63
5.4.210.0110.02715.63
5.4.200.0120.02615.75
5.4.190.0090.02915.60
5.4.180.0070.03015.57
5.4.170.0100.02715.49
5.4.160.0130.02615.66
5.4.150.0050.03515.57
5.4.140.0020.03814.33
5.4.130.0100.02614.29
5.4.120.0050.02814.43
5.4.110.0130.03614.35
5.4.100.0050.03114.26
5.4.90.0080.02514.37
5.4.80.0120.02314.41
5.4.70.0080.02714.30
5.4.60.0090.02714.40
5.4.50.0100.02714.28
5.4.40.0210.02514.43
5.4.30.0030.03214.38
5.4.20.0080.03114.42
5.4.10.0130.03514.38
5.4.00.0060.04314.09
5.3.290.0140.03413.43
5.3.280.0090.03213.38
5.3.270.0120.02713.34
5.3.260.0030.03313.34
5.3.250.0070.03013.34
5.3.240.0000.03113.36
5.3.230.0080.03113.42
5.3.220.0070.02913.46
5.3.210.0060.03113.46
5.3.200.0070.03313.39
5.3.190.0080.02913.30
5.3.180.0070.02713.45
5.3.170.0130.02313.40
5.3.160.0070.02913.38
5.3.150.0080.02613.40
5.3.140.0120.02613.37
5.3.130.0080.02713.37
5.3.120.0080.02813.33
5.3.110.0060.04613.31
5.3.100.0070.03113.13
5.3.90.0050.03113.14
5.3.80.0080.02613.09
5.3.70.0130.02413.13
5.3.60.0100.03813.07
5.3.50.0040.03213.03
5.3.40.0060.02813.06
5.3.30.0070.02613.03
5.3.20.0050.02812.91
5.3.10.0030.03012.91
5.3.00.0090.03012.83
5.2.170.0000.06311.40
5.2.160.0030.04711.45
5.2.150.0030.04711.40
5.2.140.0100.04011.44
5.2.130.0130.03711.28
5.2.120.0100.03711.52
5.2.110.0030.05011.35
5.2.100.0070.04011.21
5.2.90.0070.04311.39
5.2.80.0130.03711.37
5.2.70.0070.04311.39
5.2.60.0030.04711.39
5.2.50.0100.04011.34
5.2.40.0130.03010.98
5.2.30.0070.04011.22
5.2.20.0070.04011.28
5.2.10.0000.04711.31
5.2.00.0130.05711.12
5.1.60.0070.03310.41
5.1.50.0030.03710.33
5.1.40.0000.04010.39
5.1.30.0000.04010.74
5.1.20.0000.04310.76
5.1.10.0100.03310.42
5.1.00.0000.04310.45
5.0.50.0070.0279.18
5.0.40.0100.0278.96
5.0.30.0070.0438.86
5.0.20.0070.0308.80
5.0.10.0070.03310.01
5.0.00.0130.0408.56
4.4.90.0070.03015.79
4.4.80.0030.03315.79
4.4.70.0070.02715.79
4.4.60.0030.03715.79
4.4.50.0070.03315.79
4.4.40.0030.04315.79
4.4.30.0030.03715.79
4.4.20.0000.03715.79
4.4.10.0030.02715.79
4.4.00.0030.05015.79
4.3.110.0030.03315.79
4.3.100.0030.03015.79
4.3.90.0000.03315.79
4.3.80.0070.05015.79
4.3.70.0100.03015.79
4.3.60.0000.03315.79
4.3.50.0030.03715.79
4.3.40.0030.05015.79
4.3.30.0000.02715.79
4.3.20.0000.02315.79
4.3.10.0070.03315.79
4.3.00.0000.03715.79

preferences:
36.6 ms | 401 KiB | 5 Q