3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ('a','b','c','d'); $keys = array_keys($array); for ($i = 0; $i < count($keys); $i++) { $cur = $array[$keys[$i]]; $next = $array[$keys[$i+1]]; echo "current item: ".$cur; echo "\n"; echo "next item: ".$next; echo "\n"; }

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)
8.3.60.0070.01418.55
8.3.50.0090.00617.91
8.3.40.0060.00918.98
8.3.30.0120.00318.74
8.3.20.0040.00420.16
8.3.10.0080.00021.71
8.3.00.0060.00617.75
8.2.180.0130.00918.54
8.2.170.0090.00922.96
8.2.160.0100.00322.20
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.66
8.2.110.0030.00620.99
8.2.100.0060.00617.75
8.2.90.0050.00319.40
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0050.00317.98
8.2.30.0000.00718.06
8.2.20.0040.00417.89
8.2.10.0000.00918.06
8.2.00.0000.00717.75
8.1.270.0030.00620.73
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00017.48
8.1.230.0090.00317.48
8.1.220.0030.00517.77
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0030.00620.37
8.1.160.0000.00721.93
8.1.150.0000.00718.99
8.1.140.0050.00217.36
8.1.130.0030.00317.82
8.1.120.0080.00317.45
8.1.110.0000.01017.47
8.1.100.0050.00217.45
8.1.90.0070.00017.50
8.1.80.0070.00017.38
8.1.70.0030.00317.49
8.1.60.0090.00017.56
8.1.50.0000.00717.43
8.1.40.0060.00317.49
8.1.30.0050.00317.65
8.1.20.0000.00817.54
8.1.10.0030.00517.57
8.1.00.0060.00617.52
8.0.300.0050.00318.77
8.0.290.0060.00316.75
8.0.280.0070.00018.36
8.0.270.0000.00717.16
8.0.260.0000.00617.18
8.0.250.0030.00317.06
8.0.240.0000.00717.08
8.0.230.0000.00716.90
8.0.220.0070.00016.91
8.0.210.0050.00217.00
8.0.200.0030.00316.98
8.0.190.0050.00317.04
8.0.180.0000.00716.93
8.0.170.0030.00616.99
8.0.160.0000.00716.94
8.0.150.0070.00016.91
8.0.140.0040.00416.94
8.0.130.0000.00613.40
8.0.120.0050.00316.95
8.0.110.0040.00416.86
8.0.100.0070.00016.90
8.0.90.0040.00416.89
8.0.80.0170.00016.88
8.0.70.0030.00516.73
8.0.60.0070.00016.99
8.0.50.0080.00016.82
8.0.30.0160.01317.14
8.0.20.0130.01217.40
8.0.10.0000.00816.97
8.0.00.0050.01316.88
7.4.330.0050.00015.14
7.4.320.0060.00016.53
7.4.300.0030.00316.59
7.4.290.0000.00716.53
7.4.280.0040.00416.59
7.4.270.0040.00416.59
7.4.260.0000.00816.60
7.4.250.0000.00716.59
7.4.240.0020.00616.53
7.4.230.0070.00016.70
7.4.220.0120.01316.46
7.4.210.0090.00916.46
7.4.200.0040.00316.70
7.4.160.0110.00516.66
7.4.150.0110.00717.40
7.4.140.0140.00717.86
7.4.130.0080.01116.66
7.4.120.0030.01316.58
7.4.110.0150.00816.46
7.4.100.0120.00616.46
7.4.90.0090.00916.56
7.4.80.0100.01019.39
7.4.70.0080.00816.46
7.4.60.0090.00616.61
7.4.50.0050.00016.57
7.4.40.0100.01316.42
7.4.30.0130.00816.43
7.4.00.0070.01114.98
7.3.330.0000.00613.30
7.3.320.0070.00813.17
7.3.310.0030.00316.32
7.3.300.0040.00416.24
7.3.290.0070.00716.31
7.3.280.0100.00616.31
7.3.270.0100.01317.40
7.3.260.0030.01316.38
7.3.250.0090.00916.37
7.3.240.0060.00916.46
7.3.230.0140.01116.40
7.3.210.0120.00616.45
7.3.200.0080.00819.39
7.3.190.0030.01316.52
7.3.180.0070.01116.44
7.3.170.0120.00616.44
7.3.160.0070.01716.46
7.3.10.0000.00816.61
7.3.00.0100.00016.59
7.2.330.0200.03416.78
7.2.320.0160.00316.79
7.2.310.0070.01016.81
7.2.300.0070.01016.46
7.2.290.0100.01016.84
7.2.130.0060.00916.77
7.2.120.0000.01516.91
7.2.110.0060.00617.08
7.2.100.0030.00916.94
7.2.90.0060.00317.09
7.2.80.0070.00416.78
7.2.70.0090.00016.72
7.2.60.0060.00617.09
7.2.50.0080.00416.86
7.2.40.0000.01116.79
7.2.30.0030.00716.96
7.2.20.0060.00316.98
7.2.10.0060.00616.89
7.2.00.0050.00818.20
7.1.250.0070.01015.88
7.1.200.0000.01115.75
7.1.100.0070.00718.04
7.1.70.0000.00917.25
7.1.60.0070.01619.46
7.1.50.0170.01734.65
7.1.00.0070.07022.29
7.0.200.0070.00316.89
7.0.140.0030.03722.01
7.0.60.0070.07019.83
7.0.50.0070.03717.88
7.0.40.0130.08719.90
7.0.30.0100.04720.29
7.0.20.0270.08320.16
7.0.10.0100.08320.35
7.0.00.0100.06020.16
5.6.280.0030.07321.13
5.6.210.0130.06320.62
5.6.200.0100.08718.08
5.6.190.0030.05320.35
5.6.180.0400.04720.62
5.6.170.0500.06720.52
5.6.160.0070.08320.54
5.6.150.0000.07318.16
5.6.140.0030.04018.15
5.6.130.0100.07718.11
5.6.120.0070.08321.11
5.6.110.0000.08721.13
5.6.100.0130.07020.95
5.6.90.0070.08021.07
5.6.80.0100.08020.35
5.5.350.0230.05720.49
5.5.340.0130.05017.91
5.5.330.0070.04320.27
5.5.320.0270.06020.18
5.5.310.0270.05020.26
5.5.300.0070.08018.04
5.5.290.0100.08318.00
5.5.280.0100.07720.65
5.5.270.0070.08320.75
5.5.260.0070.08320.86
5.5.250.0030.04320.54
5.5.240.0330.06720.26
5.4.450.0230.05319.44
5.4.440.0100.08719.24
5.4.430.0170.05719.62
5.4.420.0230.07719.23
5.4.410.0170.05318.99
5.4.400.0070.06018.61
5.4.390.0130.05318.68
5.4.380.0170.05718.64
5.4.370.0300.04018.70
5.4.360.0230.04318.52
5.4.350.0100.06318.55
5.4.340.0130.06718.48
5.4.320.0300.05018.67
5.4.310.0100.05718.51
5.4.300.0270.05018.46
5.4.290.0200.05318.54
5.4.280.0230.05018.43
5.4.270.0200.05718.58
5.4.260.0270.04318.65
5.4.250.0070.06018.62
5.4.240.0100.06018.63
5.4.230.0170.05018.68
5.4.220.0130.05318.46
5.4.210.0100.06018.66
5.4.200.0130.05016.34
5.4.190.0130.05318.49
5.4.180.0230.06718.43
5.4.170.0130.07018.71
5.4.160.0100.06018.56
5.4.150.0200.05318.61
5.4.140.0270.05016.14
5.4.130.0170.04716.23
5.4.120.0070.05716.17
5.4.110.0130.05016.07
5.4.100.0130.05016.25
5.4.90.0200.04316.21
5.4.80.0200.04316.14
5.4.70.0100.05316.20
5.4.60.0200.04316.23
5.4.50.0100.05016.27
5.4.40.0070.05716.08
5.4.30.0200.05316.18
5.4.20.0170.04716.13
5.4.10.0130.05016.29
5.4.00.0200.04315.68
5.3.290.0200.04714.61
5.3.280.0170.05014.57
5.3.270.0130.05314.63
5.3.260.0130.06714.54
5.3.250.0170.05014.68
5.3.240.0100.06014.51
5.3.230.0230.05014.63
5.3.220.0170.05014.56
5.3.210.0370.03314.68
5.3.200.0100.05714.66
5.3.190.0170.05014.66
5.3.180.0070.06314.54
5.3.170.0200.04714.54
5.3.160.0200.04714.47
5.3.150.0200.04714.54
5.3.140.0170.05014.58
5.3.130.0200.05014.62
5.3.120.0070.06314.44
5.3.110.0100.06014.57
5.3.100.0270.04014.15
5.3.90.0030.06013.93
5.3.80.0030.06314.13
5.3.70.0130.05714.05
5.3.60.0130.05313.91
5.3.50.0130.05314.04
5.3.40.0200.04713.93
5.3.30.0100.05313.91
5.3.20.0170.04713.61
5.3.10.0170.05313.60
5.3.00.0200.04713.63
5.2.170.0100.04311.09
5.2.160.0130.04011.15
5.2.150.0270.03311.10
5.2.140.0170.04011.13
5.2.130.0100.04011.11
5.2.120.0070.04311.25
5.2.110.0200.04711.06
5.2.100.0070.04311.10
5.2.90.0130.04011.13
5.2.80.0070.04711.08
5.2.70.0070.04711.01
5.2.60.0170.03711.04
5.2.50.0130.04010.99
5.2.40.0130.03711.05
5.2.30.0100.04310.90
5.2.20.0170.03710.89
5.2.10.0100.04010.87
5.2.00.0030.04710.72
5.1.60.0070.03710.06
5.1.50.0100.03310.00
5.1.40.0100.0339.97
5.1.30.0100.03310.39
5.1.20.0100.03710.41
5.1.10.0070.03710.13
5.1.00.0100.03710.07
5.0.50.0070.0308.56
5.0.40.0170.0178.43
5.0.30.0070.0438.36
5.0.20.0100.0238.23
5.0.10.0070.0278.30
5.0.00.0100.0378.20
4.4.90.0100.0205.94
4.4.80.0070.0205.94
4.4.70.0030.0235.92
4.4.60.0030.0235.82
4.4.50.0030.0235.91
4.4.40.0130.0275.85
4.4.30.0070.0205.90
4.4.20.0030.0235.98
4.4.10.0030.0276.00
4.4.00.0030.0435.90
4.3.110.0000.0275.83
4.3.100.0070.0205.84
4.3.90.0030.0235.91
4.3.80.0100.0335.79
4.3.70.0100.0175.78
4.3.60.0030.0205.81
4.3.50.0030.0235.84
4.3.40.0100.0305.75
4.3.30.0070.0204.65
4.3.20.0070.0204.52
4.3.10.0070.0234.51
4.3.00.0070.0206.86

preferences:
63.16 ms | 400 KiB | 5 Q