3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1,2,3,4,5,6,7,8,9); function walk($a, $index = 0){ if (count($a) == $index + 1) { echo($a[$index]); } else { walk($a, $index + 1); echo($a[$index]); } } walk($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)
8.3.60.0100.01018.30
8.3.50.0120.00621.09
8.3.40.0090.00618.97
8.3.30.0070.00718.69
8.3.20.0080.00018.60
8.3.10.0080.00020.38
8.3.00.0030.00621.83
8.2.180.0110.00416.75
8.2.170.0070.00722.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.01017.63
8.2.110.0090.00020.54
8.2.100.0080.00317.97
8.2.90.0040.00419.15
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0030.00617.93
8.2.50.0000.01018.07
8.2.40.0000.00918.07
8.2.30.0070.00019.92
8.2.20.0040.00417.69
8.2.10.0000.00717.58
8.2.00.0040.00417.68
8.1.280.0100.01025.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0110.00020.67
8.1.220.0000.00818.77
8.1.210.0000.00818.90
8.1.200.0090.00017.23
8.1.190.0020.00517.39
8.1.180.0050.00318.10
8.1.170.0040.00418.53
8.1.160.0040.00418.87
8.1.150.0000.00718.63
8.1.140.0000.00817.44
8.1.130.0030.00317.79
8.1.120.0000.00717.47
8.1.110.0040.00417.48
8.1.100.0040.00417.35
8.1.90.0000.00717.47
8.1.80.0030.00317.52
8.1.70.0000.00717.32
8.1.60.0040.00417.54
8.1.50.0080.00017.39
8.1.40.0000.00817.43
8.1.30.0050.00317.49
8.1.20.0000.00717.62
8.1.10.0000.00817.46
8.1.00.0080.00017.41
8.0.300.0070.00019.88
8.0.290.0080.00017.15
8.0.280.0000.00718.42
8.0.270.0000.00717.25
8.0.260.0000.00616.80
8.0.250.0050.00316.98
8.0.240.0030.00816.82
8.0.230.0000.00716.79
8.0.220.0030.00316.73
8.0.210.0000.00716.71
8.0.200.0000.00616.79
8.0.190.0070.00016.77
8.0.180.0040.00416.78
8.0.170.0000.01016.85
8.0.160.0000.00716.77
8.0.150.0070.00016.73
8.0.140.0030.00516.84
8.0.130.0000.00613.25
8.0.120.0040.00416.84
8.0.110.0030.00616.98
8.0.100.0000.00716.91
8.0.90.0050.00316.75
8.0.80.0090.00716.95
8.0.70.0040.00416.77
8.0.60.0050.00216.92
8.0.50.0000.00716.80
8.0.30.0070.01217.25
8.0.20.0130.00817.40
8.0.10.0000.00816.87
8.0.00.0100.00716.73
7.4.330.0050.00014.84
7.4.320.0030.00716.56
7.4.300.0090.00016.49
7.4.290.0040.00416.48
7.4.280.0040.00416.58
7.4.270.0040.00416.57
7.4.260.0050.00013.27
7.4.250.0040.00416.41
7.4.240.0050.00216.52
7.4.230.0000.00716.53
7.4.220.0140.00416.58
7.4.210.0060.00916.52
7.4.200.0030.00316.61
7.4.190.0000.00716.72
7.4.160.0090.00916.51
7.4.150.0060.01117.40
7.4.140.0100.00717.86
7.4.130.0150.00316.40
7.4.120.0090.00816.46
7.4.110.0030.01416.61
7.4.100.0120.00616.46
7.4.90.0070.01016.37
7.4.80.0080.00919.04
7.4.70.0140.00616.39
7.4.60.0070.01416.58
7.4.50.0030.00316.41
7.4.40.0040.01522.27
7.4.30.0140.00716.63
7.4.00.0030.01314.82
7.3.330.0060.00013.34
7.3.320.0000.00613.08
7.3.310.0070.00016.32
7.3.300.0000.00816.34
7.3.290.0040.01516.27
7.3.280.0050.00916.28
7.3.270.0100.00717.40
7.3.260.0080.01318.24
7.3.250.0120.00816.39
7.3.240.0040.01316.19
7.3.230.0070.01016.39
7.3.210.0110.00616.23
7.3.200.0070.01519.39
7.3.190.0100.00716.49
7.3.180.0040.01216.36
7.3.170.0070.01316.33
7.3.160.0030.01316.65
7.3.120.0030.01114.89
7.3.10.0090.00616.78
7.3.00.0040.00716.47
7.2.330.0100.00716.63
7.2.320.0120.00416.67
7.2.310.0100.01316.77
7.2.300.0120.00816.70
7.2.290.0070.01116.86
7.2.130.0100.00516.99
7.2.120.0060.00516.88
7.2.110.0070.00617.00
7.2.100.0040.00817.01
7.2.90.0070.00716.80
7.2.80.0040.01116.70
7.2.70.0070.00616.80
7.2.60.0070.00517.08
7.2.50.0080.00516.92
7.2.40.0060.00617.06
7.2.30.0060.00517.02
7.2.20.0060.00817.04
7.2.10.0070.00516.74
7.2.00.0040.00817.58
7.1.250.0070.00615.70
7.1.200.0030.00615.55
7.1.100.0030.00617.88
7.1.70.0000.00817.07
7.1.60.0100.01419.40
7.1.50.0090.01216.67
7.1.00.0030.07322.54
7.0.200.0000.00716.80
7.0.140.0030.07322.11
7.0.60.0100.05319.93
7.0.50.0100.07717.91
7.0.40.0170.07017.76
7.0.30.0070.08017.69
7.0.20.0130.07317.85
7.0.10.0230.04717.81
7.0.00.0130.05317.78
5.6.280.0000.06721.09
5.6.210.0000.05020.70
5.6.200.0030.05018.19
5.6.190.0070.08318.21
5.6.180.0070.08018.18
5.6.170.0070.06318.27
5.6.160.0130.07018.12
5.6.150.0070.04718.19
5.6.140.0030.07718.15
5.6.130.0100.07718.20
5.6.120.0070.08718.28
5.6.110.0000.06718.21
5.6.100.0070.07718.23
5.6.90.0030.08018.14
5.6.80.0070.04017.58
5.6.70.0130.07017.50
5.6.60.0000.05017.53
5.6.50.0070.03717.63
5.6.40.0000.04017.54
5.6.30.0000.04017.64
5.6.20.0030.03717.56
5.6.10.0000.04017.54
5.6.00.0030.03717.50
5.5.350.0230.03720.38
5.5.340.0070.07317.99
5.5.330.0100.07018.07
5.5.320.0200.07017.99
5.5.310.0070.05017.98
5.5.300.0030.08317.95
5.5.290.0070.08017.96
5.5.280.0070.05318.03
5.5.270.0130.07317.98
5.5.260.0100.04318.07
5.5.250.0170.05017.77
5.5.240.0130.04717.42
5.5.230.0070.07717.36
5.5.220.0070.06017.36
5.5.210.0000.04017.36
5.5.200.0070.03317.37
5.5.190.0000.04017.27
5.5.180.0070.03317.34
5.5.160.0070.03317.30
5.5.150.0070.03317.29
5.5.140.0000.04317.34
5.5.130.0030.03717.28
5.5.120.0000.04717.42
5.5.110.0000.04017.33
5.5.100.0030.03717.23
5.5.90.0030.03717.39
5.5.80.0030.03717.22
5.5.70.0000.04017.18
5.5.60.0000.03717.16
5.5.50.0100.03017.32
5.5.40.0030.03717.22
5.5.30.0030.04317.23
5.5.20.0000.04017.22
5.5.10.0070.03317.18
5.5.00.0030.03717.18
5.4.450.0070.08019.36
5.4.440.0130.04719.47
5.4.430.0100.07719.49
5.4.420.0130.07319.59
5.4.410.0070.07319.18
5.4.400.0100.04318.89
5.4.390.0070.05019.01
5.4.380.0070.07718.99
5.4.370.0070.03319.05
5.4.360.0000.04019.27
5.4.350.0000.04018.89
5.4.340.0030.03719.05
5.4.320.0100.03719.09
5.4.310.0100.04319.05
5.4.300.0000.04019.27
5.4.290.0000.04019.09
5.4.280.0030.03719.09
5.4.270.0100.03019.09
5.4.260.0170.03319.01
5.4.250.0030.03719.07
5.4.240.0100.03019.02
5.4.230.0070.03318.88
5.4.220.0000.04019.04
5.4.210.0030.03719.09
5.4.200.0070.03319.02
5.4.190.0030.03718.98
5.4.180.0000.04319.12
5.4.170.0070.03719.02
5.4.160.0030.04719.10
5.4.150.0000.04319.02
5.4.140.0070.04016.44
5.4.130.0070.07016.54
5.4.120.0070.04716.38
5.4.110.0000.06016.49
5.4.100.0030.07016.30
5.4.90.0030.07016.32
5.4.80.0000.08016.44
5.4.70.0070.07316.46
5.4.60.0100.06316.43
5.4.50.0070.07316.21
5.4.40.0070.06716.43
5.4.30.0070.05316.35
5.4.20.0100.07016.44
5.4.10.0170.06316.45
5.4.00.0100.06315.91
5.3.290.0030.03714.68
5.3.280.0000.04014.55
5.3.270.0030.03714.66
5.3.260.0030.03714.59
5.3.250.0100.03014.56
5.3.240.0030.04714.63
5.3.230.0000.06314.63
5.3.220.0100.04014.61
5.3.210.0070.08014.64
5.3.200.0000.07714.59
5.3.190.0030.06314.62
5.3.180.0000.08014.55
5.3.170.0030.04314.61
5.3.160.0000.06314.38
5.3.150.0130.06314.56
5.3.140.0030.08014.62
5.3.130.0030.08014.76
5.3.120.0130.06714.51
5.3.110.0100.07314.55
5.3.100.0070.06314.25
5.3.90.0130.05313.97
5.3.80.0130.07314.11
5.3.70.0100.07014.02
5.3.60.0000.06314.03
5.3.50.0100.05313.96
5.3.40.0130.07013.97
5.3.30.0000.04013.94
5.3.20.0070.07013.74
5.3.10.0100.04713.54
5.3.00.0070.06713.62
5.2.170.0070.05311.04
5.2.160.0130.05311.05
5.2.150.0000.04311.19
5.2.140.0070.03011.03
5.2.130.0030.06011.20
5.2.120.0070.05711.14
5.2.110.0070.05711.16
5.2.100.0000.03711.14
5.2.90.0030.06011.14
5.2.80.0070.06011.14
5.2.70.0170.03311.13
5.2.60.0070.05711.15
5.2.50.0070.06311.23
5.2.40.0070.06011.04
5.2.30.0030.05711.04
5.2.20.0070.06011.02
5.2.10.0030.03010.82
5.2.00.0030.02710.70
5.1.60.0070.05710.11
5.1.50.0030.05310.00
5.1.40.0070.0539.94
5.1.30.0070.05310.34
5.1.20.0030.06010.42
5.1.10.0070.05310.06
5.1.00.0030.03310.14
5.0.50.0070.0438.38
5.0.40.0070.0378.41
5.0.30.0070.0608.35
5.0.20.0070.0408.35
5.0.10.0000.0438.35
5.0.00.0070.0608.35
4.4.90.0000.0408.35
4.4.80.0030.0278.35
4.4.70.0030.0378.35
4.4.60.0070.0308.35
4.4.50.0030.0338.35
4.4.40.0030.0538.35
4.4.30.0000.0408.35
4.4.20.0000.0208.35
4.4.10.0000.0278.35
4.4.00.0030.0538.35
4.3.110.0000.0338.35
4.3.100.0000.0238.35
4.3.90.0030.0308.35
4.3.80.0030.0508.35
4.3.70.0030.0278.35
4.3.60.0100.0238.35
4.3.50.0000.0378.35
4.3.40.0000.0408.35
4.3.30.0070.0338.35
4.3.20.0000.0408.35
4.3.10.0000.0238.35
4.3.00.0000.0208.35

preferences:
44.45 ms | 401 KiB | 5 Q