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);$i+=2,$j++){ $arr[$i]=$tmp0; $tmp0 = $arr[$i+1]; $arr[$i+1]=$tmp1; $tmp1 = $arr[$j]; } 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)
8.3.40.0100.01018.99
8.3.30.0110.00419.22
8.3.20.0080.00020.33
8.3.10.0040.00422.08
8.3.00.0000.00722.29
8.2.170.0100.00322.96
8.2.160.0110.00421.07
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00417.75
8.2.110.0040.00422.08
8.2.100.0040.00817.72
8.2.90.0060.00319.20
8.2.80.0040.00417.97
8.2.70.0000.01217.63
8.2.60.0090.00017.93
8.2.50.0000.00918.07
8.2.40.0040.00418.34
8.2.30.0070.00018.19
8.2.20.0040.00417.71
8.2.10.0030.00517.65
8.2.00.0040.00417.75
8.1.270.0040.00423.62
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.92
8.1.230.0080.00419.16
8.1.220.0080.00017.77
8.1.210.0030.00518.77
8.1.200.0060.00317.48
8.1.190.0040.00417.66
8.1.180.0040.00418.10
8.1.170.0000.00918.64
8.1.160.0000.00721.94
8.1.150.0000.00718.59
8.1.140.0000.00817.36
8.1.130.0030.00317.77
8.1.120.0000.00717.37
8.1.110.0040.00417.52
8.1.100.0030.00617.49
8.1.90.0050.00317.34
8.1.80.0000.00717.52
8.1.70.0030.00317.45
8.1.60.0040.00417.55
8.1.50.0040.00417.40
8.1.40.0050.00317.54
8.1.30.0030.00617.64
8.1.20.0000.00817.70
8.1.10.0040.00417.51
8.1.00.0000.00717.46
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0070.00018.44
8.0.270.0040.00417.32
8.0.260.0030.00316.74
8.0.250.0030.00516.97
8.0.240.0030.00316.94
8.0.230.0030.00316.85
8.0.220.0030.00316.85
8.0.210.0000.00716.78
8.0.200.0030.00317.02
8.0.190.0040.00416.85
8.0.180.0030.00516.91
8.0.170.0040.00416.96
8.0.160.0000.00816.81
8.0.150.0040.00416.85
8.0.140.0030.00616.87
8.0.130.0000.00613.39
8.0.120.0040.00416.75
8.0.110.0050.00316.80
8.0.100.0040.00416.76
8.0.90.0040.00416.72
8.0.80.0060.00916.79
8.0.70.0040.00416.74
8.0.60.0030.00517.01
8.0.50.0000.00716.96
8.0.30.0170.00517.04
8.0.20.0070.01317.40
8.0.10.0030.00417.05
8.0.00.0080.01016.63
7.4.330.0050.00015.05
7.4.320.0060.00016.38
7.4.300.0030.00316.38
7.4.290.0050.00316.43
7.4.280.0000.00716.53
7.4.270.0070.00016.43
7.4.260.0030.00316.67
7.4.250.0000.00716.59
7.4.240.0030.00416.59
7.4.230.0040.00416.32
7.4.220.0070.01116.46
7.4.210.0080.00716.55
7.4.200.0030.00316.52
7.4.190.0030.00316.78
7.4.160.0080.00816.45
7.4.150.0060.01317.40
7.4.140.0120.00817.86
7.4.130.0100.00816.51
7.4.120.0100.00916.44
7.4.110.0110.01116.54
7.4.100.0110.00716.45
7.4.90.0100.01316.45
7.4.80.0100.01319.39
7.4.70.0070.01016.70
7.4.60.0060.00916.51
7.4.50.0000.00916.57
7.4.40.0110.00422.77
7.4.30.0060.01216.64
7.4.00.0060.00914.98
7.3.330.0030.00313.04
7.3.320.0000.00513.25
7.3.310.0000.00616.33
7.3.300.0060.00016.17
7.3.290.0120.00616.37
7.3.280.0090.00916.32
7.3.270.0110.00617.40
7.3.260.0080.00816.44
7.3.250.0140.00816.45
7.3.240.0130.00416.53
7.3.230.0080.00816.57
7.3.210.0140.00916.50
7.3.200.0130.00419.39
7.3.190.0130.00716.46
7.3.180.0000.01616.42
7.3.170.0110.01116.62
7.3.160.0110.00616.39
7.3.120.0080.00815.11
7.2.330.0070.01016.83
7.2.320.0040.01416.48
7.2.310.0130.00316.79
7.2.300.0110.01116.78
7.2.290.0110.00416.68
7.2.00.0000.01819.25
7.1.100.0000.01318.07
7.1.70.0080.00817.14
7.1.60.0120.01219.82
7.1.50.0120.00916.92
7.1.00.0000.07722.36
7.0.200.0030.01216.79
7.0.140.0070.07022.15
7.0.100.0170.07019.87
7.0.90.0070.07019.82
7.0.80.0130.07319.82
7.0.70.0130.06319.82
7.0.60.0230.04719.92
7.0.50.0200.06320.29
7.0.40.0100.07720.00
7.0.30.0000.04720.08
7.0.20.0070.04320.13
7.0.10.0030.04320.03
7.0.00.0030.04320.08
5.6.280.0030.07321.10
5.6.250.0070.07320.57
5.6.240.0030.07020.46
5.6.230.0030.05320.61
5.6.220.0200.05720.53
5.6.210.0100.06720.55
5.6.200.0100.06020.94
5.6.190.0100.07321.04
5.6.180.0130.03721.05
5.6.170.0100.03721.04
5.6.160.0070.04021.00
5.6.150.0100.04021.05
5.6.140.0000.04321.03
5.6.130.0070.04721.08
5.6.120.0000.05721.08
5.6.110.0030.03320.93
5.6.100.0070.04320.92
5.6.90.0030.04321.13
5.6.80.0070.07320.38
5.6.70.0270.06320.43
5.6.60.0030.07720.46
5.6.50.0000.04720.42
5.6.40.0000.05320.48
5.6.30.0030.04020.46
5.6.20.0070.03720.30
5.6.10.0070.03720.34
5.6.00.0070.03720.36
5.5.380.0130.07720.45
5.5.370.0170.07320.38
5.5.360.0100.07720.44
5.5.350.0070.06720.35
5.5.340.0170.07320.64
5.5.330.0200.07720.80
5.5.320.0070.03720.84
5.5.310.0070.04020.77
5.5.300.0100.03720.88
5.5.290.0000.04020.80
5.5.280.0070.05320.86
5.5.270.0000.04320.87
5.5.260.0030.04320.86
5.5.250.0070.04020.65
5.5.240.0070.08020.21
5.5.230.0070.06020.14
5.5.220.0000.04320.27
5.5.210.0070.06720.20
5.5.200.0070.03720.18
5.5.190.0070.03720.20
5.5.180.0030.04020.19
5.5.160.0030.04020.20
5.5.150.0070.03720.23
5.5.140.0070.03020.24
5.5.130.0030.03720.15
5.5.120.0070.03020.25
5.5.110.0030.04720.10
5.5.100.0070.03720.11
5.5.90.0100.03320.16
5.5.80.0070.03720.00
5.5.70.0030.04019.99
5.5.60.0130.02720.14
5.5.50.0100.03320.13
5.5.40.0070.03720.10
5.5.30.0030.03719.95
5.5.20.0000.03720.05
5.5.10.0100.04019.95
5.5.00.0030.04020.11
5.4.450.0070.04019.11
5.4.440.0030.04319.41
5.4.430.0030.04019.13
5.4.420.0000.03719.29
5.4.410.0070.03719.27
5.4.400.0100.05718.81
5.4.390.0070.03719.02
5.4.380.0100.04319.05
5.4.370.0070.04719.00
5.4.360.0030.05019.02
5.4.350.0130.02718.98
5.4.340.0000.04319.10
5.4.320.0000.04319.02
5.4.310.0070.02718.80
5.4.300.0070.03319.02
5.4.290.0030.03719.07
5.4.280.0030.03719.02
5.4.270.0030.07019.16
5.4.260.0030.03319.09
5.4.250.0070.02719.22
5.4.240.0030.03718.97
5.4.230.0100.03719.01
5.4.220.0200.02019.22
5.4.210.0030.03719.09
5.4.200.0030.05318.97
5.4.190.0000.04018.92
5.4.180.0070.03319.03
5.4.170.0030.04718.95
5.4.160.0070.06319.02
5.4.150.0030.03718.95
5.4.140.0030.05316.28
5.4.130.0100.06716.27
5.4.120.0100.06316.27
5.4.110.0030.06316.32
5.4.100.0170.03316.25
5.4.90.0070.07016.34
5.4.80.0100.06016.34
5.4.70.0100.04016.43
5.4.60.0030.07716.40
5.4.50.0070.07016.21
5.4.40.0070.03316.38
5.4.30.0000.08316.41
5.4.20.0130.06716.36
5.4.10.0100.07716.41
5.4.00.0130.06715.68
5.3.290.0070.03314.54
5.3.280.0000.04014.55
5.3.270.0000.04014.59
5.3.260.0070.08014.60
5.3.250.0100.07014.56
5.3.240.0070.05714.46
5.3.230.0070.07714.48
5.3.220.0100.06714.43
5.3.210.0030.04714.54
5.3.200.0100.05014.56
5.3.190.0030.08314.52
5.3.180.0170.06314.55
5.3.170.0130.06714.42
5.3.160.0170.06014.55
5.3.150.0070.04714.56
5.3.140.0030.08014.38
5.3.130.0070.08014.55
5.3.120.0130.06014.41
5.3.110.0070.07714.41
5.3.100.0070.07714.00
5.3.90.0130.06714.02
5.3.80.0100.05314.00
5.3.70.0030.07713.98
5.3.60.0130.06313.98
5.3.50.0100.03713.89
5.3.40.0070.07313.93
5.3.30.0130.03313.89
5.3.20.0170.05713.69
5.3.10.0070.04313.51
5.3.00.0070.07013.50
5.2.170.0030.03710.99
5.2.160.0070.03011.11
5.2.150.0070.06311.09
5.2.140.0070.03311.20
5.2.130.0100.03311.10
5.2.120.0030.03311.09
5.2.110.0100.05710.99
5.2.100.0070.05710.99
5.2.90.0100.05311.06
5.2.80.0100.03310.99
5.2.70.0070.04711.09
5.2.60.0070.06311.10
5.2.50.0030.06711.04
5.2.40.0030.06311.00
5.2.30.0030.06311.04
5.2.20.0030.05010.99
5.2.10.0070.06010.99
5.2.00.0030.04310.99
5.1.60.0030.05010.99
5.1.50.0000.05710.99
5.1.40.0030.05310.99
5.1.30.0070.03010.99
5.1.20.0000.05310.99
5.1.10.0000.05710.99
5.1.00.0070.05310.99
5.0.50.0030.03710.99
5.0.40.0030.02310.99
5.0.30.0000.06710.99
5.0.20.0000.03010.99
5.0.10.0030.03310.99
5.0.00.0100.05710.99
4.4.90.0030.03710.99
4.4.80.0070.02310.99
4.4.70.0000.04010.99
4.4.60.0030.03710.99
4.4.50.0000.03710.99
4.4.40.0030.05010.99
4.4.30.0030.02710.99
4.4.20.0030.02010.99
4.4.10.0000.03710.99
4.4.00.0000.05710.99
4.3.110.0000.03710.99
4.3.100.0000.02710.99
4.3.90.0030.02010.99
4.3.80.0070.04710.99
4.3.70.0070.03310.99
4.3.60.0000.02710.99
4.3.50.0030.03310.99
4.3.40.0030.04710.99
4.3.30.0070.01710.99
4.3.20.0000.03710.99
4.3.10.0030.03710.99
4.3.00.0000.04010.99

preferences:
40.32 ms | 400 KiB | 5 Q