3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = array( array('a1'), array('a2'), array('a3'), array('a4'), array('a5'), array('a6'), array('a7'), array('a8'), array('a9'), array('a10') ); $count = 1; $max=20; function toto($arr=array()) { global $t; $count++; $arr += array_slice($t,count($arr),2); if(count($arr) < 6 && $count < $max) { $arr = toto($arr); } return $arr; } print_r(toto());

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)
8.3.60.0120.00318.43
8.3.50.0140.00717.98
8.3.40.0040.01918.79
8.3.30.0150.00019.17
8.3.20.0000.00820.29
8.3.10.0030.00623.66
8.3.00.0040.00419.68
8.2.180.0110.01118.29
8.2.170.0000.01522.96
8.2.160.0070.01420.35
8.2.150.0060.00324.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0030.00620.46
8.2.110.0050.00522.16
8.2.100.0090.00319.76
8.2.90.0080.00019.35
8.2.80.0030.00518.05
8.2.70.0100.00017.60
8.2.60.0080.00018.05
8.2.50.0050.00318.07
8.2.40.0030.00518.29
8.2.30.0030.00618.20
8.2.20.0040.00417.88
8.2.10.0040.00418.06
8.2.00.0000.00717.63
8.1.280.0090.00625.92
8.1.270.0030.00623.99
8.1.260.0030.00626.35
8.1.250.0030.00628.09
8.1.240.0070.00424.02
8.1.230.0080.00419.17
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0040.00717.35
8.1.190.0080.00517.41
8.1.180.0070.00318.30
8.1.170.0060.00318.53
8.1.160.0040.00422.02
8.1.150.0040.00418.89
8.1.140.0040.00417.50
8.1.130.0050.00317.84
8.1.120.0090.00017.49
8.1.110.0000.00817.49
8.1.100.0070.00017.41
8.1.90.0070.00017.39
8.1.80.0040.00417.31
8.1.70.0000.00817.38
8.1.60.0060.00317.61
8.1.50.0050.00317.50
8.1.40.0040.00417.52
8.1.30.0030.00617.54
8.1.20.0050.00317.69
8.1.10.0040.00417.51
8.1.00.0030.00617.29
8.0.300.0000.00818.77
8.0.290.0050.00317.30
8.0.280.0070.00018.46
8.0.270.0070.00017.26
8.0.260.0030.00317.28
8.0.250.0030.00317.04
8.0.240.0000.00817.05
8.0.230.0070.00016.89
8.0.220.0040.00416.96
8.0.210.0080.00016.91
8.0.200.0050.00216.93
8.0.190.0060.00317.02
8.0.180.0040.00416.82
8.0.170.0030.00616.96
8.0.160.0050.00216.98
8.0.150.0050.00216.91
8.0.140.0000.00716.95
8.0.130.0000.00513.38
8.0.120.0050.00316.86
8.0.110.0040.00416.89
8.0.100.0040.00417.02
8.0.90.0050.00216.95
8.0.80.0090.00616.83
8.0.70.0040.00416.98
8.0.60.0080.00016.82
8.0.50.0000.00816.78
8.0.30.0080.01017.18
8.0.20.0120.00817.40
8.0.10.0000.00716.96
8.0.00.0110.00616.63
7.4.330.0000.00515.13
7.4.320.0040.00416.41
7.4.300.0030.00316.60
7.4.290.0000.00816.50
7.4.280.0080.00016.46
7.4.270.0030.00516.49
7.4.260.0040.00416.61
7.4.250.0080.00016.55
7.4.240.0060.00316.51
7.4.230.0000.00816.42
7.4.220.0070.01116.55
7.4.210.0120.00216.50
7.4.200.0050.00216.59
7.4.160.0120.00316.59
7.4.150.0060.01117.40
7.4.140.0090.00917.86
7.4.130.0100.00716.56
7.4.120.0090.00716.44
7.4.110.0090.00916.60
7.4.100.0100.00716.50
7.4.90.0030.01916.60
7.4.80.0030.01419.39
7.4.70.0070.01016.54
7.4.60.0100.00716.68
7.4.50.0040.00416.35
7.4.40.0100.00616.62
7.4.30.0100.00716.45
7.4.00.0100.00714.55
7.3.330.0000.00713.43
7.3.320.0000.00513.32
7.3.310.0000.00716.35
7.3.300.0040.00416.41
7.3.290.0080.00816.34
7.3.280.0100.01016.35
7.3.270.0150.00417.40
7.3.260.0130.00316.72
7.3.250.0120.00816.47
7.3.240.0070.01116.52
7.3.230.0100.00716.51
7.3.210.0030.01716.48
7.3.200.0070.01019.39
7.3.190.0080.00816.53
7.3.180.0000.01716.50
7.3.170.0090.00916.52
7.3.160.0030.01316.30
7.2.330.0160.00316.78
7.2.320.0080.00816.64
7.2.310.0030.01316.39
7.2.300.0080.00816.77
7.2.290.0030.01416.64
7.2.00.0060.00619.48
7.1.100.0030.00718.45
7.1.70.0050.00317.38
7.1.60.0070.01019.29
7.1.50.0130.01016.94
7.1.00.0000.08022.33
7.0.200.0080.00815.14
7.0.140.0030.04722.17
7.0.60.0000.05019.92
7.0.50.0130.07317.84
7.0.40.0000.04720.09
7.0.30.0270.05720.26
7.0.20.0300.08320.12
7.0.10.0170.08020.23
7.0.00.0030.04320.22
5.6.280.0070.06720.82
5.6.210.0100.05320.71
5.6.200.0030.08318.19
5.6.190.0100.08320.58
5.6.180.0300.07720.52
5.6.170.0970.04320.50
5.6.160.0200.07320.50
5.6.150.0070.05318.18
5.6.140.0070.04718.11
5.6.130.0070.08018.11
5.6.120.0170.07321.14
5.6.110.0030.07021.02
5.6.100.0100.08021.13
5.6.90.0070.04021.13
5.6.80.0070.08320.29
5.5.350.0200.02720.47
5.5.340.0000.04017.96
5.5.330.0130.06720.27
5.5.320.0270.03720.27
5.5.310.0230.07720.19
5.5.300.0170.06718.04
5.5.290.0100.08017.97
5.5.280.0030.06020.74
5.5.270.0100.08020.67
5.5.260.0100.08320.68
5.5.250.0000.04320.61
5.5.240.0100.06320.19
5.4.450.0400.06019.48
5.4.440.0900.07719.33
5.4.430.0070.06019.46
5.4.420.0130.05719.52
5.4.410.0170.07019.43
5.4.400.0200.04319.27
5.4.390.0070.06019.21
5.4.380.0230.06718.53
5.4.370.0230.04018.70
5.4.360.0130.04318.54
5.4.350.0200.03318.41
5.4.340.0170.03718.49
5.4.320.0130.03718.41
5.4.310.0130.04018.76
5.4.300.0030.06318.64
5.4.290.0200.04718.78
5.4.280.0070.04718.52
5.4.270.0100.04018.74
5.4.260.0070.04318.68
5.4.250.0130.04318.41
5.4.240.0130.04018.45
5.4.230.0070.04318.38
5.4.220.0070.04718.48
5.4.210.0200.03318.66
5.4.200.0100.03716.50
5.4.190.0200.03018.52
5.4.180.0100.04718.66
5.4.170.0130.05318.63
5.4.160.0070.05018.66
5.4.150.0170.04018.35
5.4.140.0030.05016.20
5.4.130.0170.04016.19
5.4.120.0130.04716.20
5.4.110.0070.04016.21
5.4.100.0130.04716.17
5.4.90.0100.04716.30
5.4.80.0100.04716.13
5.4.70.0070.05716.16
5.4.60.0130.03316.10
5.4.50.0130.03316.14
5.4.40.0030.05716.18
5.4.30.0130.05016.18
5.4.20.0100.05316.13
5.4.10.0070.04316.13
5.4.00.0130.04315.68
5.3.290.0130.05014.64
5.3.280.0130.03314.75
5.3.270.0100.05014.71
5.3.260.0230.05714.77
5.3.250.0130.05714.58
5.3.240.0100.03714.69
5.3.230.0170.04714.64
5.3.220.0200.03314.55
5.3.210.0230.03714.73
5.3.200.0200.03714.55
5.3.190.0270.03714.61
5.3.180.0200.03714.55
5.3.170.0100.04314.54
5.3.160.0300.05314.67
5.3.150.0170.04314.60
5.3.140.0100.04314.51
5.3.130.0030.04714.55
5.3.120.0000.05014.53
5.3.110.0130.03714.68
5.3.100.0130.04013.97
5.3.90.0100.04314.01
5.3.80.0030.04313.95
5.3.70.0130.03313.99
5.3.60.0100.04314.04
5.3.50.0030.04713.91
5.3.40.0100.04014.02
5.3.30.0070.03713.90
5.3.20.0100.04013.62
5.3.10.0130.03313.59
5.3.00.0130.03313.59
5.2.170.0130.02711.11
5.2.160.0100.02711.27
5.2.150.0100.02711.11
5.2.140.0130.03011.13
5.2.130.0070.03311.04
5.2.120.0070.03011.18
5.2.110.0130.03011.08
5.2.100.0070.03711.08
5.2.90.0130.04011.16
5.2.80.0070.03311.15
5.2.70.0030.03711.24
5.2.60.0030.04011.03
5.2.50.0030.04310.94
5.2.40.0000.03711.04
5.2.30.0130.02710.94
5.2.20.0030.03310.93
5.2.10.0070.03011.00
5.2.00.0030.03310.69
5.1.60.0000.03010.18
5.1.50.0030.03010.07
5.1.40.0100.0279.95
5.1.30.0030.03010.38
5.1.20.0030.03010.44
5.1.10.0000.03010.05
5.1.00.0000.03010.25
5.0.50.0030.0238.52
5.0.40.0100.0138.54
5.0.30.0000.0408.16
5.0.20.0100.0178.16
5.0.10.0070.0178.36
5.0.00.0000.0338.30
4.4.90.0030.0175.90
4.4.80.0030.0175.87
4.4.70.0030.0175.85
4.4.60.0030.0205.83
4.4.50.0030.0175.85
4.4.40.0070.0275.82
4.4.30.0100.0106.00
4.4.20.0030.0176.06
4.4.10.0030.0206.00
4.4.00.0000.0305.89
4.3.110.0030.0175.77
4.3.100.0070.0135.80
4.3.90.0000.0175.81
4.3.80.0000.0335.74
4.3.70.0070.0135.81
4.3.60.0070.0175.74
4.3.50.0030.0205.75
4.3.40.0000.0305.86
4.3.30.0000.0204.60
4.3.20.0000.0204.54
4.3.10.0000.0204.52
4.3.00.0000.0237.37

preferences:
56.85 ms | 400 KiB | 5 Q