3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5,6,7,8,9,10,'a','b','c','d','e','f','g','h','i','j'); $tmp0 = $arr[0]; $tmp1 = $arr[10]; $n=10; for($i=0,$j=$n;$i<count($arr)-2;$i+=2,$j++){ echo(" i: ".$i); $arr[$i]=$tmp0; $tmp0 = $arr[$i+1]; echo(" tmp0: ".$tmp0); $arr[$i+1]=$tmp1; $tmp1 = $arr[$j]; echo(" tmp1: ".$tmp1); } echo("\n"); for($i=0;$i<count($arr);$i++){ echo($arr[$i]." "); } ?>

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)
8.3.60.0120.00318.68
8.3.50.0250.00622.11
8.3.40.0120.00318.75
8.3.30.0100.00719.21
8.3.20.0070.00720.18
8.3.10.0120.00321.71
8.3.00.0040.00422.50
8.2.180.0150.00316.75
8.2.170.0120.00622.96
8.2.160.0100.00320.98
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00317.50
8.2.110.0000.00822.17
8.2.100.0040.00819.64
8.2.90.0090.00019.13
8.2.80.0080.00017.99
8.2.70.0080.00017.63
8.2.60.0060.00318.05
8.2.50.0080.00018.07
8.2.40.0000.00818.22
8.2.30.0040.00418.03
8.2.20.0030.00517.73
8.2.10.0040.00417.66
8.2.00.0000.00817.67
8.1.280.0110.01125.92
8.1.270.0080.00023.81
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.80
8.1.230.0040.00719.15
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0040.00717.22
8.1.190.0030.00517.63
8.1.180.0060.00318.10
8.1.170.0060.00318.69
8.1.160.0000.00821.96
8.1.150.0080.00018.67
8.1.140.0000.00817.48
8.1.130.0000.00817.72
8.1.120.0050.00317.55
8.1.110.0050.00217.38
8.1.100.0040.00817.41
8.1.90.0050.00217.42
8.1.80.0000.00717.48
8.1.70.0000.00717.34
8.1.60.0000.00817.64
8.1.50.0040.00417.45
8.1.40.0000.00817.51
8.1.30.0000.00817.59
8.1.20.0080.00017.51
8.1.10.0080.00017.63
8.1.00.0000.00717.59
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0000.00718.34
8.0.270.0040.00417.33
8.0.260.0000.00616.80
8.0.250.0030.00317.00
8.0.240.0040.00416.87
8.0.230.0000.00716.91
8.0.220.0070.00016.96
8.0.210.0000.00716.94
8.0.200.0070.00016.88
8.0.190.0030.00516.95
8.0.180.0080.00416.80
8.0.170.0050.00316.98
8.0.160.0000.00916.92
8.0.150.0030.00516.95
8.0.140.0040.00416.91
8.0.130.0030.00313.36
8.0.120.0040.00416.77
8.0.110.0050.00316.96
8.0.100.0030.00516.91
8.0.90.0040.00416.73
8.0.80.0080.00616.91
8.0.70.0040.00416.95
8.0.60.0000.00716.80
8.0.50.0000.00716.75
8.0.30.0080.01417.00
8.0.20.0140.00517.40
8.0.10.0070.00016.98
8.0.00.0090.00916.76
7.4.330.0020.00215.14
7.4.320.0070.00016.55
7.4.300.0000.00716.43
7.4.290.0000.00716.59
7.4.280.0000.00716.57
7.4.270.0000.00716.63
7.4.260.0070.00416.54
7.4.250.0050.00216.52
7.4.240.0020.00516.64
7.4.230.0070.00016.66
7.4.220.0110.00716.59
7.4.210.0090.00916.53
7.4.200.0050.00216.65
7.4.190.0030.00316.50
7.4.160.0160.00016.67
7.4.150.0170.00317.40
7.4.140.0100.00717.86
7.4.130.0150.00316.51
7.4.120.0060.01116.42
7.4.110.0160.00916.61
7.4.100.0100.00716.66
7.4.90.0120.01216.49
7.4.80.0090.01119.39
7.4.70.0090.00916.56
7.4.60.0100.00716.40
7.4.50.0030.00616.60
7.4.40.0090.00622.77
7.4.30.0080.00816.58
7.4.00.0040.00814.92
7.3.330.0000.00613.10
7.3.320.0060.00013.19
7.3.310.0000.00716.36
7.3.300.0070.00016.24
7.3.290.0090.00616.36
7.3.280.0110.00916.31
7.3.270.0120.01217.40
7.3.260.0100.00716.42
7.3.250.0130.00816.59
7.3.240.0090.00916.34
7.3.230.0070.01316.66
7.3.210.0090.01016.34
7.3.200.0160.00519.39
7.3.190.0000.01816.55
7.3.180.0130.00716.32
7.3.170.0080.00816.46
7.3.160.0100.00616.54
7.3.120.0070.00715.11
7.2.330.0040.01616.60
7.2.320.0110.00716.71
7.2.310.0060.01316.77
7.2.300.0110.00716.69
7.2.290.0160.00016.70
7.2.60.0070.00716.79
7.2.00.0030.01019.38
7.1.200.0030.01215.89
7.1.100.0000.01118.35
7.1.70.0090.00617.17
7.1.60.0100.01619.82
7.1.50.0040.00717.01
7.1.00.0030.07722.44
7.0.200.0030.00916.81
7.0.140.0000.07322.21
7.0.60.0230.07019.80
7.0.50.0070.04317.89
7.0.40.0070.05020.40
7.0.30.0200.04320.09
7.0.20.0130.04720.00
7.0.10.0000.05320.30
7.0.00.0030.04720.03
5.6.280.0070.07020.90
5.6.210.0170.07020.63
5.6.200.0030.04018.18
5.6.190.0030.05720.35
5.6.180.0470.06720.49
5.6.170.0230.03320.50
5.6.160.0030.04320.48
5.6.150.0130.05718.24
5.6.140.0070.08018.08
5.6.130.0030.05018.19
5.6.120.0030.05721.14
5.6.110.0070.08721.12
5.6.100.0170.04020.89
5.6.90.0070.08320.95
5.6.80.0170.07320.39
5.5.350.0230.08320.43
5.5.340.0100.07717.89
5.5.330.0070.07020.21
5.5.320.0270.08020.20
5.5.310.0270.06720.26
5.5.300.0030.05017.96
5.5.290.0130.07717.91
5.5.280.0070.03720.80
5.5.270.0100.05020.80
5.5.260.0030.04020.65
5.5.250.0070.06720.50
5.5.240.0170.03720.25
5.4.450.4370.04019.48
5.4.440.0000.08719.32
5.4.430.1430.03719.46
5.4.420.3430.03319.48
5.4.410.0130.07019.08
5.4.400.3870.02718.89
5.4.390.4100.04019.18
5.4.380.3930.04319.09
5.4.370.3700.03718.93
5.4.360.1800.04318.99
5.4.350.3670.03019.03
5.4.340.4330.03719.23
5.4.320.4600.03319.17
5.4.310.4600.04019.00
5.4.300.4270.04019.08
5.4.290.4500.04019.17
5.4.280.3900.04018.88
5.4.270.3730.04318.86
5.4.260.4030.03319.15
5.4.250.3930.03319.05
5.4.240.3670.02719.14
5.4.230.3800.03019.14
5.4.220.3670.03719.12
5.4.210.3630.03018.92
5.4.200.4430.03719.01
5.4.190.3600.03719.16
5.4.180.3770.04019.11
5.4.170.4500.04019.16
5.4.160.3670.04019.10
5.4.150.4300.04019.06
5.4.140.4230.03316.36
5.4.130.4070.04016.38
5.4.120.2630.03316.47
5.4.110.3070.04316.38
5.4.100.3200.03016.38
5.4.90.3070.04316.16
5.4.80.3030.03716.26
5.4.70.3200.02716.38
5.4.60.3270.03716.25
5.4.50.2870.03716.41
5.4.40.3070.03316.35
5.4.30.3530.03016.29
5.4.20.4800.05016.32
5.4.10.4600.03016.23
5.4.00.3670.03315.68
5.3.290.4530.04014.64
5.3.280.3800.05014.39
5.3.270.4500.04014.54
5.3.260.3930.03714.54
5.3.250.4500.04014.58
5.3.240.4530.03714.55
5.3.230.2800.03714.70
5.3.220.2630.03314.36
5.3.210.2930.03714.67
5.3.200.2900.04014.59
5.3.190.3570.03314.52
5.3.180.2730.02714.47
5.3.170.3230.03714.51
5.3.160.3270.03014.51
5.3.150.2800.03714.55
5.3.140.3500.03714.45
5.3.130.3830.04014.54
5.3.120.4070.04314.38
5.3.110.4400.04714.50
5.3.100.4200.04313.97
5.3.90.3770.04313.96
5.3.80.3830.03314.00
5.3.70.3970.03713.99
5.3.60.3800.04013.98
5.3.50.3570.03713.88
5.3.40.4330.03313.97
5.3.30.4600.03313.86
5.3.20.4500.03313.52
5.3.10.4130.04013.68
5.3.00.4030.04013.47
5.2.170.3330.03011.05
5.2.160.3230.03011.09
5.2.150.3770.03011.00
5.2.140.3200.02710.98
5.2.130.3800.02311.04
5.2.120.3570.02711.10
5.2.110.3670.03010.93
5.2.100.3170.02711.05
5.2.90.3030.03311.02
5.2.80.2730.03311.05
5.2.70.3270.02711.03
5.2.60.3330.03011.06
5.2.50.3470.03311.00
5.2.40.3000.03011.18
5.2.30.2800.03010.91
5.2.20.2670.02710.95
5.2.10.3000.03011.01
5.2.00.2800.03310.69
5.1.60.3230.0239.97
5.1.50.2830.02010.10
5.1.40.2700.0209.93
5.1.30.2630.02710.50
5.1.20.2600.02310.26
5.1.10.2700.02710.12
5.1.00.2500.02310.05
5.0.50.1670.0208.52
5.0.40.1170.0208.40
5.0.30.1670.0338.18
5.0.20.1530.0238.22
5.0.10.1630.0278.24
5.0.00.1770.0338.23
4.4.90.1170.0176.30
4.4.80.1570.0136.30
4.4.70.1800.0136.30
4.4.60.1430.0176.30
4.4.50.1700.0176.30
4.4.40.1670.0236.30
4.4.30.1670.0136.30
4.4.20.1530.0176.30
4.4.10.1730.0176.30
4.4.00.1570.0236.30
4.3.110.1230.0136.30
4.3.100.1330.0136.30
4.3.90.1370.0136.30
4.3.80.1800.0306.30
4.3.70.1730.0176.30
4.3.60.1430.0206.30
4.3.50.1500.0176.30
4.3.40.1600.0236.30
4.3.30.0830.0136.30
4.3.20.0900.0236.30
4.3.10.0830.0136.30
4.3.00.0970.0236.30

preferences:
50.71 ms | 401 KiB | 5 Q