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 "current item: ".$next; }

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)
8.3.60.0110.00316.50
8.3.50.0120.00822.01
8.3.40.0150.00018.79
8.3.30.0140.00019.09
8.3.20.0000.00720.16
8.3.10.0000.00721.77
8.3.00.0150.00417.48
8.2.180.0040.01818.54
8.2.170.0140.00422.96
8.2.160.0030.01022.25
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00319.79
8.2.110.0030.00620.95
8.2.100.0040.00818.34
8.2.90.0000.00919.17
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0040.00418.28
8.2.30.0000.00718.04
8.2.20.0000.00817.75
8.2.10.0050.00318.10
8.2.00.0040.00417.68
8.1.280.0170.00325.92
8.1.270.0090.01220.73
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00321.31
8.1.230.0090.00317.57
8.1.220.0000.00817.78
8.1.210.0060.00318.77
8.1.200.0090.00017.25
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0060.00320.29
8.1.160.0000.00722.00
8.1.150.0000.00818.90
8.1.140.0000.00717.30
8.1.130.0000.00717.78
8.1.120.0030.00617.47
8.1.110.0040.00417.51
8.1.100.0000.00817.35
8.1.90.0040.00417.46
8.1.80.0040.00417.50
8.1.70.0030.00317.36
8.1.60.0030.00617.60
8.1.50.0000.00817.54
8.1.40.0000.00717.55
8.1.30.0080.00017.65
8.1.20.0040.00417.56
8.1.10.0000.00817.59
8.1.00.0090.00317.48
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00718.50
8.0.270.0000.00817.19
8.0.260.0000.00617.21
8.0.250.0030.00316.99
8.0.240.0000.00717.06
8.0.230.0040.00417.05
8.0.220.0030.00316.95
8.0.210.0030.00316.89
8.0.200.0000.00717.02
8.0.190.0040.00416.86
8.0.180.0000.00716.86
8.0.170.0030.00516.90
8.0.160.0070.00016.93
8.0.150.0000.00816.93
8.0.140.0000.00716.93
8.0.130.0030.00313.39
8.0.120.0050.00316.95
8.0.110.0040.00316.96
8.0.100.0000.00716.90
8.0.90.0050.00216.84
8.0.80.0100.00716.95
8.0.70.0000.00816.95
8.0.60.0000.00816.80
8.0.50.0000.00716.82
8.0.30.0110.01017.03
8.0.20.0120.00917.41
8.0.10.0020.00517.04
8.0.00.0110.00616.79
7.4.330.0050.00015.07
7.4.320.0030.00316.58
7.4.300.0030.00316.52
7.4.290.0030.00316.51
7.4.280.0080.00016.59
7.4.270.0060.00316.40
7.4.260.0000.00716.50
7.4.250.0070.00016.52
7.4.240.0020.00616.62
7.4.230.0000.00716.57
7.4.220.0070.01016.47
7.4.210.0130.00716.53
7.4.200.0050.00316.64
7.4.160.0060.00916.39
7.4.150.0120.00817.40
7.4.140.0160.00517.86
7.4.130.0150.00316.49
7.4.120.0100.00816.44
7.4.110.0080.01116.40
7.4.100.0100.00716.41
7.4.90.0220.00016.64
7.4.80.0060.01219.39
7.4.70.0140.00416.57
7.4.60.0100.00616.53
7.4.50.0030.00316.38
7.4.40.0000.01516.61
7.4.30.0100.00716.66
7.4.00.0070.01015.11
7.3.330.0030.00313.27
7.3.320.0050.00913.25
7.3.310.0000.00716.32
7.3.300.0000.00716.26
7.3.290.0100.00416.37
7.3.280.0080.00816.34
7.3.270.0130.01317.40
7.3.260.0120.00616.73
7.3.250.0120.00816.43
7.3.240.0140.00416.55
7.3.230.0140.00716.39
7.3.210.0130.00316.55
7.3.200.0150.00319.39
7.3.190.0090.01116.53
7.3.180.0060.01016.34
7.3.170.0120.00916.56
7.3.160.0120.01116.59
7.3.120.0070.00915.01
7.3.110.0070.01014.84
7.3.100.0060.00814.87
7.3.90.0060.00514.90
7.3.80.0030.00914.91
7.3.70.0070.00914.75
7.3.60.0020.01214.81
7.3.50.0050.00814.88
7.3.40.0060.00514.85
7.3.30.0060.00714.66
7.3.20.0030.00916.73
7.3.10.0070.00716.77
7.3.00.0020.01216.76
7.2.330.0060.01416.72
7.2.320.0030.01716.75
7.2.310.0060.01416.77
7.2.300.0090.01516.51
7.2.290.0120.01216.69
7.2.250.0050.01214.81
7.2.240.0090.00815.15
7.2.230.0070.00515.04
7.2.220.0080.00515.05
7.2.210.0050.00914.91
7.2.200.0060.00715.17
7.2.190.0040.01115.08
7.2.180.0060.00915.00
7.2.170.0060.00815.02
7.2.160.0100.00614.78
7.2.150.0070.00316.89
7.2.140.0100.00716.92
7.2.130.0040.01416.70
7.2.120.0080.00416.68
7.2.110.0060.01216.67
7.2.100.0070.01117.00
7.2.90.0070.01016.70
7.2.80.0060.00616.85
7.2.70.0040.01116.62
7.2.60.0050.00916.77
7.2.50.0070.01016.96
7.2.40.0030.01217.12
7.2.30.0030.01017.10
7.2.20.0070.01116.72
7.2.10.0060.00917.05
7.2.00.0110.00418.26
7.1.330.0050.00915.91
7.1.320.0050.00715.98
7.1.310.0030.01215.74
7.1.300.0060.00915.73
7.1.290.0080.00515.75
7.1.280.0070.00415.77
7.1.270.0090.00615.64
7.1.260.0040.01015.74
7.1.250.0030.01415.63
7.1.200.0090.00015.94
7.1.100.0000.01118.15
7.1.70.0030.01217.28
7.1.60.0080.01519.46
7.1.50.0180.01834.94
7.1.00.0000.08022.45
7.0.200.0040.00816.69
7.0.140.0030.03322.04
7.0.60.0000.04320.04
7.0.50.0070.07317.80
7.0.40.0200.06720.08
7.0.30.0230.04320.21
7.0.20.0300.05320.16
7.0.10.0170.07020.00
7.0.00.0230.06320.02
5.6.280.0070.07020.90
5.6.210.0030.07320.74
5.6.200.0130.06718.21
5.6.190.0070.09020.41
5.6.180.0530.06720.41
5.6.170.0330.07320.48
5.6.160.0170.07720.44
5.6.150.0070.08018.08
5.6.140.0100.03318.18
5.6.130.0070.03718.21
5.6.120.0100.08020.99
5.6.110.0070.05021.00
5.6.100.0070.08720.95
5.6.90.0130.06321.02
5.6.80.0130.07320.35
5.5.350.0270.07320.43
5.5.340.0070.08317.88
5.5.330.0070.07320.46
5.5.320.0300.06720.25
5.5.310.0300.07320.26
5.5.300.0000.04717.92
5.5.290.0100.08018.01
5.5.280.0100.08020.84
5.5.270.0030.04720.85
5.5.260.0030.06720.77
5.5.250.0000.04720.78
5.5.240.0300.07020.11
5.4.450.0200.06319.62
5.4.440.0200.05719.54
5.4.430.0130.06019.32
5.4.420.0270.04719.58
5.4.410.0230.05019.36
5.4.400.0230.05018.80
5.4.390.0100.06018.48
5.4.380.0130.05718.64
5.4.370.0100.06018.65
5.4.360.0200.06718.62
5.4.350.0270.04318.64
5.4.340.0270.05018.79
5.4.320.0170.05718.45
5.4.310.0100.06018.70
5.4.300.0130.05718.75
5.4.290.0130.06018.70
5.4.280.0200.05318.67
5.4.270.0170.05718.58
5.4.260.0270.06718.43
5.4.250.0270.07018.65
5.4.240.0230.05018.63
5.4.230.0230.04318.65
5.4.220.0230.04718.46
5.4.210.0170.05318.60
5.4.200.0270.04016.60
5.4.190.0200.04718.60
5.4.180.0130.05718.48
5.4.170.0300.05318.62
5.4.160.0130.06718.66
5.4.150.0300.05018.67
5.4.140.0170.05316.32
5.4.130.0170.05016.18
5.4.120.0100.05316.36
5.4.110.0230.04316.05
5.4.100.0200.04716.08
5.4.90.0230.04316.21
5.4.80.0170.05016.13
5.4.70.0230.06316.27
5.4.60.0070.06016.11
5.4.50.0130.05716.30
5.4.40.0100.05716.28
5.4.30.0070.05716.29
5.4.20.0100.05316.17
5.4.10.0070.05316.20
5.4.00.0130.05015.71
5.3.290.0130.05314.66
5.3.280.0200.05714.52
5.3.270.0200.05014.50
5.3.260.0270.05014.69
5.3.250.0100.06314.70
5.3.240.0200.05014.68
5.3.230.0200.05014.60
5.3.220.0070.06014.61
5.3.210.0270.04714.62
5.3.200.0270.06314.57
5.3.190.0030.06714.47
5.3.180.0130.05314.47
5.3.170.0170.05714.54
5.3.160.0370.04014.64
5.3.150.0230.05714.54
5.3.140.0170.05714.55
5.3.130.0130.06014.44
5.3.120.0200.05014.53
5.3.110.0170.05714.51
5.3.100.0200.05014.13
5.3.90.0270.04714.07
5.3.80.0270.04713.96
5.3.70.0070.06013.93
5.3.60.0170.05313.98
5.3.50.0130.05313.93
5.3.40.0170.07013.89
5.3.30.0200.05013.89
5.3.20.0100.05713.63
5.3.10.0300.05713.57
5.3.00.0300.04013.63
5.2.170.0200.05711.17
5.2.160.0200.05311.12
5.2.150.0130.04311.09
5.2.140.0130.04011.09
5.2.130.0230.04011.13
5.2.120.0270.02711.03
5.2.110.0130.05311.13
5.2.100.0100.05711.24
5.2.90.0170.03711.07
5.2.80.0100.04311.08
5.2.70.0100.04311.23
5.2.60.0070.04711.04
5.2.50.0100.04311.17
5.2.40.0170.03310.93
5.2.30.0070.04711.11
5.2.20.0130.04310.94
5.2.10.0130.05310.83
5.2.00.0400.04710.77
5.1.60.0200.04010.00
5.1.50.0170.04310.04
5.1.40.0130.0479.95
5.1.30.0170.03010.43
5.1.20.0200.03010.46
5.1.10.0070.04010.09
5.1.00.0100.03710.11
5.0.50.0100.0278.68
5.0.40.0030.0308.43
5.0.30.0100.0438.25
5.0.20.0030.0308.29
5.0.10.0130.0308.19
5.0.00.0100.0508.20
4.4.90.0070.0305.93
4.4.80.0130.0235.86
4.4.70.0030.0305.90
4.4.60.0170.0175.85
4.4.50.0070.0275.91
4.4.40.0000.0505.94
4.4.30.0130.0235.86
4.4.20.0100.0275.96
4.4.10.0100.0275.94
4.4.00.0100.0335.93
4.3.110.0030.0275.82
4.3.100.0070.0275.78
4.3.90.0030.0235.77
4.3.80.0100.0305.79
4.3.70.0070.0235.83
4.3.60.0070.0235.77
4.3.50.0030.0235.78
4.3.40.0030.0375.79
4.3.30.0070.0274.54
4.3.20.0030.0234.57
4.3.10.0030.0274.49
4.3.00.0000.0336.86

preferences:
65.74 ms | 401 KiB | 5 Q