3v4l.org

run code in 300+ PHP versions simultaneously
<?php class testing { public function test ($count, &$array = array()){ if ($count > 2) return 1; $array[] = $this->test($count+1, $array); var_dump($array); return 10000; } } $testme = new testing(); //var_dump($testme->test()); var_dump($testme->test(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)
8.3.70.0100.01018.29
8.3.60.0120.00918.28
8.3.50.0130.00321.93
8.3.40.0120.00618.71
8.3.30.0090.00619.09
8.3.20.0080.00020.20
8.3.10.0030.00723.70
8.3.00.0070.00320.96
8.2.180.0120.00916.50
8.2.170.0100.01022.96
8.2.160.0120.00620.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.38
8.2.110.0000.00821.94
8.2.100.0080.00318.22
8.2.90.0050.00319.08
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0080.00019.90
8.2.30.0060.00318.26
8.2.20.0080.00017.71
8.2.10.0050.00218.02
8.2.00.0030.00617.64
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0090.00628.09
8.1.240.0060.00323.91
8.1.230.0060.00619.12
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00917.13
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0030.00618.65
8.1.160.0070.00022.01
8.1.150.0080.00318.64
8.1.140.0000.00717.29
8.1.130.0030.00317.89
8.1.120.0000.00717.32
8.1.110.0040.00417.33
8.1.100.0000.00717.37
8.1.90.0040.00417.36
8.1.80.0000.00717.47
8.1.70.0070.00017.36
8.1.60.0040.00417.62
8.1.50.0080.00017.41
8.1.40.0060.00617.59
8.1.30.0090.00017.50
8.1.20.0060.00317.63
8.1.10.0060.00317.48
8.1.00.0000.00717.51
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0030.00318.31
8.0.270.0000.00717.21
8.0.260.0000.00717.18
8.0.250.0070.00016.94
8.0.240.0050.00516.88
8.0.230.0070.00016.86
8.0.220.0030.00316.84
8.0.210.0000.00816.83
8.0.200.0030.00316.80
8.0.190.0070.00016.93
8.0.180.0000.00816.76
8.0.170.0040.00416.83
8.0.160.0070.00016.87
8.0.150.0070.00016.80
8.0.140.0050.00316.85
8.0.130.0030.00313.23
8.0.120.0030.00616.82
8.0.110.0040.00416.84
8.0.100.0020.00516.72
8.0.90.0000.00716.74
8.0.80.0120.00316.82
8.0.70.0000.00716.67
8.0.60.0040.00416.68
8.0.50.0070.00016.73
8.0.30.0200.00316.91
8.0.20.0120.00917.40
8.0.10.0000.00716.82
8.0.00.0080.01116.78
7.4.330.0050.00015.00
7.4.320.0000.00716.56
7.4.300.0060.00016.67
7.4.290.0040.00416.61
7.4.280.0050.00316.61
7.4.270.0000.00716.66
7.4.260.0030.00716.52
7.4.250.0060.00316.47
7.4.240.0030.00316.51
7.4.230.0000.00716.64
7.4.220.0030.01516.54
7.4.210.0030.01216.71
7.4.200.0030.00316.43
7.4.160.0030.01316.32
7.4.150.0120.00817.40
7.4.140.0130.01017.86
7.4.130.0110.00616.38
7.4.120.0100.00916.49
7.4.110.0090.01516.42
7.4.100.0060.01016.69
7.4.90.0080.00816.47
7.4.80.0100.01319.39
7.4.70.0070.01416.57
7.4.60.0090.00616.39
7.4.50.0060.00316.59
7.4.40.0040.01216.41
7.4.30.0070.01016.40
7.4.00.0080.00814.98
7.3.330.0000.00613.23
7.3.320.0050.00013.32
7.3.310.0070.00016.20
7.3.300.0000.00716.31
7.3.290.0110.00316.30
7.3.280.0080.00816.30
7.3.270.0110.00617.40
7.3.260.0110.00616.32
7.3.250.0100.01016.40
7.3.240.0120.00616.16
7.3.230.0090.00816.60
7.3.210.0060.01016.38
7.3.200.0040.01319.39
7.3.190.0080.00816.29
7.3.180.0080.00816.32
7.3.170.0090.01316.51
7.3.160.0050.01116.32
7.3.120.0090.00614.79
7.3.110.0030.01414.97
7.3.100.0090.00914.84
7.3.90.0080.00815.01
7.3.80.0050.00514.64
7.3.70.0100.00314.80
7.3.60.0090.00614.93
7.3.50.0070.00714.69
7.3.40.0000.00814.70
7.3.30.0030.01314.90
7.3.20.0070.01116.79
7.3.10.0070.01116.68
7.3.00.0070.01016.71
7.2.330.0050.01116.80
7.2.320.0140.00316.61
7.2.310.0080.00816.59
7.2.300.0070.01716.73
7.2.290.0130.00916.57
7.2.250.0040.01214.66
7.2.240.0070.01014.79
7.2.230.0040.01514.54
7.2.220.0000.01415.29
7.2.210.0040.01415.29
7.2.200.0130.00615.09
7.2.190.0000.01714.89
7.2.180.0070.00715.01
7.2.170.0070.00715.20
7.2.00.0040.00419.54
7.1.330.0040.01115.63
7.1.320.0060.00316.02
7.1.310.0070.00715.71
7.1.300.0030.01415.87
7.1.290.0060.00915.95
7.1.280.0040.00815.61
7.1.270.0080.00615.93
7.1.260.0040.01415.96
7.1.100.0060.00618.05
7.1.70.0000.00717.07
7.1.60.0060.00619.70
7.1.50.0160.01316.97
7.1.00.0070.07322.31
7.0.200.0000.00716.79
7.0.140.0030.07321.92
7.0.60.0100.08719.96
7.0.50.0030.05317.88
7.0.40.0000.09320.21
7.0.30.0100.04720.15
7.0.20.0330.06720.07
7.0.10.0300.04020.33
7.0.00.0030.04320.06
5.6.280.0100.05721.03
5.6.210.0070.08020.63
5.6.200.0100.04318.15
5.6.190.0070.04020.77
5.6.180.0030.06320.63
5.6.170.0270.07720.40
5.6.160.0070.06720.57
5.6.150.0070.04018.25
5.6.140.0000.04718.15
5.6.130.0100.08718.15
5.6.120.0130.08321.02
5.6.110.0130.07720.98
5.6.100.0100.05720.89
5.6.90.0130.08020.98
5.6.80.0030.06020.37
5.6.70.0200.06020.41
5.5.350.0000.08720.30
5.5.340.0100.06017.96
5.5.330.0100.05720.23
5.5.320.0070.07320.34
5.5.310.0270.05020.34
5.5.300.0030.05017.98
5.5.290.0000.04318.06
5.5.280.0070.05020.77
5.5.270.0070.07020.86
5.5.260.0200.04720.96
5.5.250.0100.04720.55
5.5.240.0170.07020.12
5.4.450.0230.07019.57
5.4.440.0270.07019.42
5.4.430.0230.05019.38
5.4.420.0200.07319.46
5.4.410.0200.04019.14
5.4.400.0130.06318.96
5.4.390.0230.07019.08
5.4.380.0300.06319.00
5.4.370.0200.07319.20
5.4.360.0270.04719.22
5.4.350.0200.05318.95
5.4.340.0300.07019.22
5.4.320.0200.05718.87
5.4.310.0200.06718.88
5.4.300.0230.06719.08
5.4.290.0270.04319.15
5.4.280.0270.06719.06
5.4.270.0230.05019.04
5.4.260.0270.03319.22
5.4.250.0270.03319.19
5.4.240.0200.04318.96
5.4.230.0230.03319.19
5.4.220.0230.05018.98
5.4.210.0270.07018.90
5.4.200.0300.07019.11
5.4.190.0200.05719.25
5.4.180.0370.05019.18
5.4.170.0300.06019.25
5.4.160.0230.07318.83
5.4.150.0200.04319.20
5.4.140.0230.07316.50
5.4.130.0100.08016.33
5.4.120.0270.06016.50
5.4.110.0200.07316.45
5.4.100.0200.03716.56
5.4.90.0330.04716.55
5.4.80.0230.07316.44
5.4.70.0230.06316.39
5.4.60.0230.06016.53
5.4.50.0270.07016.16
5.4.40.0130.07716.51
5.4.30.0230.06716.32
5.4.20.0170.06316.37
5.4.10.0230.07016.52
5.4.00.0130.04715.86
5.3.290.0200.08014.58
5.3.280.0270.07314.70
5.3.270.0230.07014.82
5.3.260.0270.07714.68
5.3.250.0170.04714.72
5.3.240.0230.05014.70
5.3.230.0230.06714.71
5.3.220.0370.06714.54
5.3.210.0270.06314.56
5.3.200.0270.06714.73
5.3.190.0170.07714.61
5.3.180.0230.07314.61
5.3.170.0230.07014.64
5.3.160.0270.07314.56
5.3.150.0230.06714.55
5.3.140.0200.07714.54
5.3.130.0270.07314.46
5.3.120.0300.07314.54
5.3.110.0200.05314.54
5.3.100.0130.08014.15
5.3.90.0230.06313.93
5.3.80.0270.06714.02
5.3.70.0270.04313.93
5.3.60.0270.06713.93
5.3.50.0200.07013.86
5.3.40.0300.03314.06
5.3.30.0200.07013.91
5.3.20.0270.06013.62
5.3.10.0330.05713.65
5.3.00.0170.06313.55
5.2.170.0130.04712.58
5.2.160.0170.04712.58
5.2.150.0130.04012.58
5.2.140.0200.06012.58
5.2.130.0070.05012.58
5.2.120.0200.06012.58
5.2.110.0170.06712.58
5.2.100.0200.03712.58
5.2.90.0230.02712.58
5.2.80.0170.07012.58
5.2.70.0170.05712.58
5.2.60.0200.05312.58
5.2.50.0230.05312.58
5.2.40.0130.05012.58
5.2.30.0200.05312.58
5.2.20.0130.04712.58
5.2.10.0170.04312.58
5.2.00.0100.04712.58
5.1.60.0230.04712.58
5.1.50.0130.04312.58
5.1.40.0170.02312.58
5.1.30.0200.05012.58
5.1.20.0130.04312.58
5.1.10.0130.03012.58
5.1.00.0130.03312.58
5.0.50.0070.04712.58
5.0.40.0100.02312.58
5.0.30.0070.03012.58
5.0.20.0100.03312.58
5.0.10.0030.02312.58
5.0.00.0070.03012.58
4.4.90.0170.02712.58
4.4.80.0100.02312.58
4.4.70.0030.03712.58
4.4.60.0170.02712.58
4.4.50.0100.03012.58
4.4.40.0130.04712.58
4.4.30.0070.01712.58
4.4.20.0100.03312.58
4.4.10.0070.03312.58
4.4.00.0000.05012.58
4.3.110.0030.01712.58
4.3.100.0030.01312.58
4.3.90.0030.01312.58
4.3.80.0030.02712.58
4.3.70.0070.01312.58
4.3.60.0070.01012.58
4.3.50.0070.01712.58
4.3.40.0030.02312.58
4.3.30.0000.02012.58
4.3.20.0000.01312.58
4.3.10.0000.01712.58
4.3.00.0070.01012.58

preferences:
35.94 ms | 401 KiB | 5 Q