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)
8.3.40.0100.00318.83
8.3.30.0110.00319.04
8.3.20.0070.00020.19
8.3.10.0060.00323.49
8.3.00.0000.00822.42
8.2.170.0080.00622.96
8.2.160.0160.00022.30
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.48
8.2.110.0000.00922.25
8.2.100.0120.00017.72
8.2.90.0040.00419.36
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0030.00517.80
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0060.00518.03
8.2.20.0000.00717.59
8.2.10.0040.00417.68
8.2.00.0060.00617.65
8.1.270.0090.00023.73
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.01023.64
8.1.230.0110.00019.15
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.54
8.1.180.0080.00018.10
8.1.170.0050.00318.46
8.1.160.0000.00722.04
8.1.150.0000.00718.50
8.1.140.0070.00017.31
8.1.130.0070.00017.73
8.1.120.0060.00317.35
8.1.110.0000.00817.45
8.1.100.0070.00017.44
8.1.90.0020.00517.41
8.1.80.0030.00517.42
8.1.70.0040.00417.41
8.1.60.0030.00617.55
8.1.50.0000.00917.57
8.1.40.0040.00417.52
8.1.30.0000.00917.63
8.1.20.0000.00817.64
8.1.10.0000.00717.45
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0000.00717.18
8.0.280.0030.00318.35
8.0.270.0000.00817.25
8.0.260.0080.00016.72
8.0.250.0070.00017.01
8.0.240.0080.00016.88
8.0.230.0040.00416.92
8.0.220.0070.00016.86
8.0.210.0030.00316.88
8.0.200.0000.00716.77
8.0.190.0030.00616.84
8.0.180.0100.00016.75
8.0.170.0030.00516.82
8.0.160.0050.00316.89
8.0.150.0000.00716.73
8.0.140.0030.00316.82
8.0.130.0000.00613.29
8.0.120.0000.00816.93
8.0.110.0000.00816.80
8.0.100.0070.00016.89
8.0.90.0040.00416.68
8.0.80.0120.00316.82
8.0.70.0000.00716.68
8.0.60.0000.00716.79
8.0.50.0040.00416.95
8.0.30.0110.01117.11
8.0.20.0070.01117.40
8.0.10.0040.00416.96
8.0.00.0130.00816.83
7.4.330.0050.00015.09
7.4.320.0030.00316.55
7.4.300.0000.00616.50
7.4.290.0000.00716.45
7.4.280.0040.00416.48
7.4.270.0030.00716.57
7.4.260.0040.00416.49
7.4.250.0000.00816.58
7.4.240.0030.00516.56
7.4.230.0040.00416.57
7.4.220.0180.00016.69
7.4.210.0080.00716.48
7.4.200.0030.00316.34
7.4.190.0040.00416.71
7.4.160.0100.00716.45
7.4.150.0150.00317.40
7.4.140.0060.01117.86
7.4.130.0140.00816.52
7.4.120.0110.00616.48
7.4.110.0100.00716.56
7.4.100.0040.01416.59
7.4.90.0040.01216.38
7.4.80.0120.00616.51
7.4.70.0060.00916.70
7.4.60.0090.00916.40
7.4.50.0050.00316.25
7.4.40.0030.01322.77
7.4.30.0090.00916.38
7.4.00.0090.00614.88
7.3.330.0050.00013.13
7.3.320.0000.00513.22
7.3.310.0030.00316.32
7.3.300.0030.00316.27
7.3.290.0140.00516.36
7.3.280.0050.01216.25
7.3.270.0140.00317.40
7.3.260.0070.01016.39
7.3.250.0060.01316.58
7.3.240.0160.00016.34
7.3.230.0080.00816.39
7.3.210.0100.00716.40
7.3.200.0120.00619.39
7.3.190.0080.00816.31
7.3.180.0100.00616.30
7.3.170.0060.01216.35
7.3.160.0060.01016.51
7.3.120.0080.00814.75
7.3.10.0080.00415.99
7.3.00.0080.01116.41
7.2.330.0090.00916.57
7.2.320.0090.01216.86
7.2.310.0070.01016.83
7.2.300.0110.00616.55
7.2.290.0070.01016.86
7.2.130.0060.01016.51
7.2.120.0100.01016.92
7.2.110.0190.00616.33
7.2.100.0180.00616.57
7.2.90.0180.00416.70
7.2.80.0030.01616.95
7.2.70.0100.00616.67
7.2.60.0050.00816.79
7.2.50.0130.00316.61
7.2.40.0130.00316.68
7.2.30.0100.00516.76
7.2.20.0130.00516.53
7.2.10.0090.00616.67
7.2.00.0090.00617.00
7.1.250.0030.01015.21
7.1.200.0030.00615.53
7.1.100.0070.00718.30
7.1.70.0030.00716.88
7.1.60.0140.01119.24
7.1.50.0060.01616.78
7.1.00.0030.06722.45
7.0.200.0070.00716.82
7.0.140.0030.07322.06
7.0.110.0170.07019.97
7.0.100.0170.08020.04
7.0.90.0170.07319.92
7.0.80.0130.08320.02
7.0.70.0130.07720.07
7.0.60.0100.04719.97
7.0.50.0100.09020.30
7.0.40.0100.07320.06
7.0.30.0070.06719.99
7.0.20.0030.09320.03
7.0.10.0070.08020.18
7.0.00.0130.08020.16
5.6.280.0030.07321.15
5.6.250.0070.07720.50
5.6.240.0070.08020.86
5.6.230.0000.08320.85
5.6.220.0170.07020.84
5.6.210.0030.08020.81
5.6.200.0170.06321.20
5.6.190.0100.08321.12
5.6.180.0100.03721.14
5.6.170.0000.06321.15
5.6.160.0030.08021.29
5.6.150.0100.08321.08
5.6.140.0130.07321.14
5.6.130.0030.05020.98
5.6.120.0000.05321.21
5.6.110.0100.08321.26
5.6.100.0130.06021.14
5.6.90.0000.05321.13
5.6.80.0100.05720.41
5.6.70.0070.08020.44
5.6.60.0030.05720.45
5.6.50.0030.05020.67
5.6.40.0030.08720.54
5.6.30.0100.07020.50
5.6.20.0100.07720.30
5.6.10.0170.03720.33
5.6.00.0030.08020.48
5.5.380.0170.07020.51
5.5.370.0200.06720.36
5.5.360.0070.08020.31
5.5.350.0070.08720.12
5.5.340.0130.08320.75
5.5.330.0100.07321.02
5.5.320.0070.07320.87
5.5.310.0130.07720.96
5.5.300.0100.08021.04
5.5.290.0030.08720.99
5.5.280.0100.08320.70
5.5.270.0230.06320.95
5.5.260.0030.07720.89
5.5.250.0130.08020.75
5.5.240.0130.06720.16
5.5.230.0130.07320.27
5.5.220.0070.07020.36
5.5.210.0100.07320.29
5.5.200.0170.06720.22
5.5.190.0070.08020.09
5.5.180.0130.06320.21
5.5.160.0100.07020.08
5.5.150.0100.07020.21
5.5.140.0070.08020.32
5.5.130.0070.06720.24
5.5.120.0030.07720.16
5.5.110.0070.07320.33
5.5.100.0170.07020.15
5.5.90.0100.05720.20
5.5.80.0170.06020.08
5.5.70.0200.05719.98
5.5.60.0170.06720.21
5.5.50.0100.08020.13
5.5.40.0100.06719.97
5.5.30.0100.06720.18
5.5.20.0030.08020.13
5.5.10.0100.07720.02
5.5.00.0070.05720.02
5.4.450.0130.03719.57
5.4.440.0200.07019.46
5.4.430.0100.06319.64
5.4.420.0070.07719.33
5.4.410.0070.08019.51
5.4.400.0130.07019.32
5.4.390.0070.07319.23
5.4.380.0070.07718.95
5.4.370.0170.06719.19
5.4.360.0030.08019.16
5.4.350.0100.07019.02
5.4.340.0030.05319.34
5.4.320.0030.08319.01
5.4.310.0130.07019.16
5.4.300.0030.04719.18
5.4.290.0130.07019.33
5.4.280.0170.07019.01
5.4.270.0200.03319.18
5.4.260.0100.07019.23
5.4.250.0100.07319.08
5.4.240.0130.06718.98
5.4.230.0070.07319.21
5.4.220.0130.06319.01
5.4.210.0170.07019.01
5.4.200.0030.07319.22
5.4.190.0000.08319.15
5.4.180.0070.07019.15
5.4.170.0030.07019.23
5.4.160.0100.04018.95
5.4.150.0030.07019.22
5.4.140.0130.06716.51
5.4.130.0100.06716.32
5.4.120.0130.06316.52
5.4.110.0070.07316.48
5.4.100.0100.06016.57
5.4.90.0100.06316.41
5.4.80.0170.05316.34
5.4.70.0030.08016.64
5.4.60.0030.06716.39
5.4.50.0130.06316.54
5.4.40.0100.06716.29
5.4.30.0170.05716.55
5.4.20.0030.07016.43
5.4.10.0130.06016.54
5.4.00.0100.07015.80
5.3.290.0070.06314.89
5.3.280.0030.08014.55
5.3.270.0070.06714.61
5.3.260.0070.08014.61
5.3.250.0130.06714.73
5.3.240.0170.06714.62
5.3.230.0100.07314.72
5.3.220.0170.06714.59
5.3.210.0030.07714.61
5.3.200.0030.06014.70
5.3.190.0070.07714.58
5.3.180.0070.08014.70
5.3.170.0000.07314.63
5.3.160.0070.07714.42
5.3.150.0070.07314.56
5.3.140.0000.08014.58
5.3.130.0070.07014.55
5.3.120.0000.08314.53
5.3.110.0070.08014.52
5.3.100.0000.08014.13
5.3.90.0100.05714.05
5.3.80.0130.06314.02
5.3.70.0170.06314.14
5.3.60.0030.06014.06
5.3.50.0030.08014.05
5.3.40.0030.07314.10
5.3.30.0100.07014.07
5.3.20.0170.06713.83
5.3.10.0100.06713.62
5.3.00.0070.07313.59
5.2.170.0070.05711.21
5.2.160.0070.05311.11
5.2.150.0100.05711.14
5.2.140.0030.06011.12
5.2.130.0070.04011.11
5.2.120.0070.05711.23
5.2.110.0070.06011.09
5.2.100.0070.05311.09
5.2.90.0000.07011.06
5.2.80.0030.04311.09
5.2.70.0100.05011.07
5.2.60.0030.05310.91
5.2.50.0000.06011.04
5.2.40.0100.05710.96
5.2.30.0030.06310.98
5.2.20.0100.05710.98
5.2.10.0000.06310.84
5.2.00.0030.06010.72
5.1.60.0030.05710.06
5.1.50.0100.05010.07
5.1.40.0070.0439.98
5.1.30.0070.05310.30
5.1.20.0000.05710.44
5.1.10.0100.05010.25
5.1.00.0070.04310.05
5.0.50.0030.0438.53
5.0.40.0070.0408.66
5.0.30.0030.0638.47
5.0.20.0130.0208.23
5.0.10.0070.0438.34
5.0.00.0070.0438.23
4.4.90.0130.0178.23
4.4.80.0030.0338.23
4.4.70.0100.0308.23
4.4.60.0030.0278.23
4.4.50.0000.0378.23
4.4.40.0030.0478.23
4.4.30.0030.0338.23
4.4.20.0000.0378.23
4.4.10.0070.0338.23
4.4.00.0000.0608.23
4.3.110.0100.0138.23
4.3.100.0070.0308.23
4.3.90.0000.0338.23
4.3.80.0000.0338.23
4.3.70.0070.0278.23
4.3.60.0000.0278.23
4.3.50.0030.0338.23
4.3.40.0070.0478.23
4.3.30.0000.0338.23
4.3.20.0000.0378.23
4.3.10.0000.0378.23
4.3.00.0000.0378.23

preferences:
45.56 ms | 400 KiB | 5 Q