3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1,2,3,4,5,6,7,8,9); function walk($a, $index = 9){ if (count($a) == $index +1) { echo($a[$index]); } else { echo($a[$index]); walk($a, $index +1); } } walk($array);

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)
8.3.60.0340.01118.55
8.3.50.0160.00521.80
8.3.40.0170.01419.05
8.3.30.0000.01519.19
8.3.20.0060.00620.50
8.3.10.0050.00322.05
8.3.00.0180.00022.43
8.2.180.0040.01617.13
8.2.170.0100.00722.96
8.2.160.0330.01220.89
8.2.150.0080.00024.18
8.2.140.0330.00724.66
8.2.130.0040.00426.16
8.2.120.0280.00718.13
8.2.110.0190.00322.13
8.2.100.0090.00318.03
8.2.90.0070.00319.72
8.2.80.0050.00518.11
8.2.70.0100.00017.88
8.2.60.0110.00018.18
8.2.50.0000.01018.07
8.2.40.0070.00318.59
8.2.30.0030.00518.56
8.2.20.0050.00318.11
8.2.10.0000.01119.61
8.2.00.0080.00017.97
8.1.280.0100.00725.92
8.1.270.0070.00723.84
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0070.00723.66
8.1.230.0130.00319.32
8.1.220.0080.00017.91
8.1.210.0030.00618.77
8.1.200.0030.01017.72
8.1.190.0110.00017.78
8.1.180.0000.01018.10
8.1.170.0100.00018.90
8.1.160.0040.00722.42
8.1.150.0080.00018.80
8.1.140.0090.00317.86
8.1.130.0000.00718.17
8.1.120.0000.00717.59
8.1.110.0070.00417.74
8.1.100.0030.00717.83
8.1.90.0040.00817.89
8.1.80.0000.00717.64
8.1.70.0090.00017.75
8.1.60.0110.00417.87
8.1.50.0050.00517.93
8.1.40.0050.00517.91
8.1.30.0030.00717.95
8.1.20.0140.00018.03
8.1.10.0050.00517.76
8.1.00.0030.00517.84
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0000.00918.63
8.0.270.0090.00017.55
8.0.260.0070.00016.89
8.0.250.0000.01417.29
8.0.240.0040.00817.15
8.0.230.0030.00517.16
8.0.220.0040.00417.05
8.0.210.0100.00017.21
8.0.200.0060.00317.25
8.0.190.0000.01117.14
8.0.180.0000.00817.20
8.0.170.0100.00017.15
8.0.160.0060.00617.32
8.0.150.0040.00416.96
8.0.140.0040.00416.96
8.0.130.0030.00313.48
8.0.120.0070.00317.20
8.0.110.0110.00017.18
8.0.100.0040.00417.04
8.0.90.0000.00917.14
8.0.80.0400.01717.16
8.0.70.0090.00017.00
8.0.60.0050.00317.11
8.0.50.0030.00517.09
8.0.30.0420.01417.25
8.0.20.0200.01517.40
8.0.10.0040.00417.20
8.0.00.0150.02017.22
7.4.330.0040.00415.00
7.4.320.0050.00516.83
7.4.300.0000.00716.51
7.4.290.0030.00516.57
7.4.280.0070.00316.73
7.4.270.0070.00416.71
7.4.260.0030.00816.55
7.4.250.0000.01016.63
7.4.240.0060.00316.67
7.4.230.0030.00516.56
7.4.220.0340.01216.90
7.4.210.0070.02016.79
7.4.200.0000.00816.73
7.4.190.0040.00416.52
7.4.160.0310.02216.84
7.4.150.0100.01717.40
7.4.140.0330.02117.86
7.4.130.0180.02816.93
7.4.120.0140.00816.45
7.4.110.0560.01516.93
7.4.100.0120.00916.65
7.4.90.0130.02316.73
7.4.80.0580.01616.75
7.4.70.0250.02116.70
7.4.60.0210.02216.61
7.4.50.0090.00416.59
7.4.40.0100.00722.77
7.4.30.0160.00316.70
7.4.00.0100.01014.98
7.3.330.0230.130121.85
7.3.320.0340.114121.57
7.3.310.0000.00716.39
7.3.300.0040.00416.49
7.3.290.0090.01816.66
7.3.280.0150.01616.63
7.3.270.0120.01517.40
7.3.260.0260.03616.65
7.3.250.0350.01916.60
7.3.240.0290.01316.93
7.3.230.0230.01916.82
7.3.210.0090.01916.95
7.3.200.0120.01219.39
7.3.190.0910.01016.76
7.3.180.0290.01817.07
7.3.170.0340.00516.83
7.3.160.0270.01816.58
7.3.120.0060.00914.95
7.3.110.0080.00815.24
7.3.100.0070.01114.89
7.3.90.0080.01015.11
7.3.80.0090.00615.10
7.3.70.0000.01915.00
7.3.60.0130.00314.98
7.3.50.0100.01615.22
7.3.40.0190.00615.15
7.3.30.0130.01315.18
7.3.20.0160.01016.73
7.3.10.0160.01216.65
7.3.00.0000.01516.68
7.2.330.0070.01716.75
7.2.320.0200.02017.05
7.2.310.0620.03317.23
7.2.300.0210.01517.06
7.2.290.0220.00616.87
7.2.240.0110.00715.42
7.2.230.0100.00714.90
7.2.220.0200.00015.50
7.2.210.0030.00915.07
7.2.200.0070.00715.29
7.2.190.0030.01215.22
7.2.180.0060.01215.24
7.2.170.0190.00715.04
7.2.160.0100.02015.04
7.2.150.0090.01816.86
7.2.140.0100.01316.97
7.2.130.0040.01816.78
7.2.120.0080.02116.59
7.2.110.0170.01416.99
7.2.100.0230.00316.93
7.2.90.0140.01116.72
7.2.80.0170.00616.90
7.2.70.0040.01116.82
7.2.60.0110.00616.95
7.2.50.0130.01116.88
7.2.40.0050.01816.74
7.2.30.0060.01316.87
7.2.20.0030.01416.92
7.2.10.0000.01916.77
7.2.00.0090.00718.05
7.1.330.0140.00315.54
7.1.320.0200.00315.66
7.1.310.0110.00315.61
7.1.300.0000.01415.81
7.1.290.0000.02315.74
7.1.280.0160.01115.70
7.1.270.0110.00815.83
7.1.260.0150.00615.88
7.1.250.0120.00815.70
7.1.100.0100.00317.80
7.1.70.0030.00616.91
7.1.60.0060.01919.82
7.1.50.0090.01517.06
7.0.200.0100.00716.86

preferences:
47.39 ms | 401 KiB | 5 Q