3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input_array = array('z' => 'g', 'b' => 'b', 'c' => 'c', 'd' => 'd', 'e' => 'e'); print_r(array_chunk($input_array, 2, true)); //print_r(array_slice($input_array, 0, 2));

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)
8.3.60.0150.00018.42
8.3.50.0070.01217.32
8.3.40.0140.00018.42
8.3.30.0110.00318.59
8.3.20.0040.00418.44
8.3.10.0080.00320.54
8.3.00.0000.00917.38
8.2.180.0110.01116.75
8.2.170.0170.00322.96
8.2.160.0070.00722.29
8.2.150.0040.00424.18
8.2.140.0090.00924.66
8.2.130.0070.00026.16
8.2.120.0060.00319.66
8.2.110.0090.00022.13
8.2.100.0040.00817.72
8.2.90.0000.00817.78
8.2.80.0050.00319.70
8.2.70.0080.00017.50
8.2.60.0040.00417.50
8.2.50.0030.00618.07
8.2.40.0000.00718.16
8.2.30.0070.00018.05
8.2.20.0040.00417.64
8.2.10.0040.00417.47
8.2.00.0070.00317.62
8.1.280.0100.00725.92
8.1.270.0080.00024.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00322.14
8.1.230.0080.00322.24
8.1.220.0030.00617.74
8.1.210.0080.00418.77
8.1.200.0050.00317.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.84
8.1.160.0040.00418.80
8.1.150.0040.00418.50
8.1.140.0030.00617.29
8.1.130.0030.00317.77
8.1.120.0040.00417.35
8.1.110.0040.00417.27
8.1.100.0000.00717.44
8.1.90.0020.00517.28
8.1.80.0070.00017.42
8.1.70.0030.00317.29
8.1.60.0070.00317.47
8.1.50.0080.00017.42
8.1.40.0040.00417.44
8.1.30.0040.00417.46
8.1.20.0000.00817.55
8.1.10.0040.00417.35
8.1.00.0040.00417.31
8.0.300.0000.00719.98
8.0.290.0080.00016.63
8.0.280.0070.00018.37
8.0.270.0000.00717.10
8.0.260.0040.00416.79
8.0.250.0070.00016.81
8.0.240.0030.00516.81
8.0.230.0070.00016.78
8.0.220.0000.00716.82
8.0.210.0040.00416.67
8.0.200.0030.00316.86
8.0.190.0000.00816.79
8.0.180.0000.00716.82
8.0.170.0040.00416.76
8.0.160.0000.00816.78
8.0.150.0040.00416.89
8.0.140.0060.00616.69
8.0.130.0030.00313.27
8.0.120.0000.00716.67
8.0.110.0000.00816.70
8.0.100.0040.00416.69
8.0.90.0040.00416.68
8.0.80.0090.00916.77
8.0.70.0040.00416.69
8.0.60.0040.00416.81
8.0.50.0000.00716.72
8.0.30.0070.01116.88
8.0.20.0150.00316.80
8.0.10.0000.00716.85
8.0.00.0060.01216.63
7.4.330.0000.00512.91
7.4.320.0040.00416.50
7.4.300.0000.00616.41
7.4.290.0070.00016.53
7.4.280.0030.00616.52
7.4.270.0000.00616.57
7.4.260.0000.00613.10
7.4.250.0000.00716.48
7.4.240.0070.00016.45
7.4.230.0070.00016.34
7.4.220.0130.00616.48
7.4.210.0080.00816.50
7.4.200.0000.00716.22
7.4.190.0000.00716.64
7.4.160.0080.00816.43
7.4.150.0180.00616.48
7.4.140.0080.01316.42
7.4.130.0080.01016.42
7.4.120.0070.01216.53
7.4.110.0090.00916.44
7.4.100.0120.00916.57
7.4.90.0070.01616.42
7.4.80.0090.00916.56
7.4.70.0030.01516.42
7.4.60.0030.01316.53
7.4.50.0000.00816.46
7.4.40.0000.01616.25
7.4.30.0060.01016.27
7.4.00.0100.00714.75
7.3.330.0030.00312.98
7.3.320.0000.00513.07
7.3.310.0070.00016.20
7.3.300.0000.00716.16
7.3.290.0120.00316.13
7.3.280.0070.00916.12
7.3.270.0070.01016.07
7.3.260.0090.00816.24
7.3.250.0080.01016.29
7.3.240.0100.00716.23
7.3.230.0090.00616.53
7.3.210.0080.01216.47
7.3.200.0130.01019.39
7.3.190.0070.01416.29
7.3.180.0080.00816.19
7.3.170.0000.01716.14
7.3.160.0130.00316.41
7.3.120.0120.00314.92
7.2.330.0140.00316.48
7.2.320.0140.00416.24
7.2.310.0110.01416.32
7.2.300.0100.00716.33
7.2.290.0100.01016.11
7.1.200.0040.00815.46
7.1.70.0040.00716.95
7.1.60.0100.01419.40
7.1.50.0030.01616.93
7.1.00.0100.06022.36
7.0.200.0000.00816.48
7.0.140.0030.07022.05
7.0.120.0030.07322.02
7.0.60.0000.05319.96
7.0.50.0100.04717.87
7.0.40.0070.06720.15
7.0.30.0500.06320.11
7.0.20.0370.07720.26
7.0.10.0100.04320.08
7.0.00.0000.04720.06
5.6.280.0030.07320.91
5.6.210.0170.07020.66
5.6.200.0170.06718.19
5.6.190.0070.08720.33
5.6.180.0270.07320.49
5.6.170.0270.08320.46
5.6.160.0070.08320.61
5.6.150.0070.05018.14
5.6.140.0170.07018.24
5.6.130.0030.04018.18
5.6.120.0030.09021.01
5.6.110.0170.06021.01
5.6.100.0230.06321.01
5.6.90.0070.07720.95
5.6.80.0070.05320.40
5.5.350.0200.05720.37
5.5.340.0030.08318.09
5.5.330.0030.08720.27
5.5.320.0100.04720.34
5.5.310.0400.05720.50
5.5.300.0070.07317.95
5.5.290.0070.07317.95
5.5.280.0070.05720.84
5.5.270.0070.06720.88
5.5.260.0070.04020.76
5.5.250.0070.07720.48
5.5.240.0070.03320.23
5.4.450.0430.05719.20
5.4.440.0370.07319.57
5.4.430.0300.05319.54
5.4.420.0370.06719.54
5.4.410.0300.07019.34
5.4.400.0330.06019.00
5.4.390.0300.06718.99
5.4.380.0300.07319.06
5.4.370.0300.07719.06
5.4.360.0300.06319.08
5.4.350.0270.05319.34
5.4.340.0270.08019.31
5.4.320.0370.06719.09
5.4.310.0270.03719.08
5.4.300.0230.03719.23
5.4.290.0170.05318.84
5.4.280.0300.04019.07
5.4.270.0300.07019.06
5.4.260.0300.06319.19
5.4.250.0400.06319.14
5.4.240.0270.04019.17
5.4.230.0300.04019.14
5.4.220.0300.07019.30
5.4.210.0300.07019.05
5.4.200.0300.03319.23
5.4.190.0300.07318.88
5.4.180.0230.07018.84
5.4.170.0370.07019.18
5.4.160.0330.06719.20
5.4.150.0300.07719.04
5.4.140.0300.05316.52
5.4.130.0200.04716.33
5.4.120.0370.06316.45
5.4.110.0200.04316.21
5.4.100.0270.05316.51
5.4.90.0300.04716.54
5.4.80.0300.06016.26
5.4.70.0270.05016.52
5.4.60.0370.05016.42
5.4.50.0300.06016.50
5.4.40.0270.04316.43
5.4.30.0300.06716.43
5.4.20.0400.05316.42
5.4.10.0270.05316.50
5.4.00.0270.05315.84
5.3.290.0230.04714.74
5.3.280.0330.07014.49
5.3.270.0330.06714.61
5.3.260.0300.06714.62
5.3.250.0230.05014.68
5.3.240.0170.05714.60
5.3.230.0330.05314.61
5.3.220.0300.07314.56
5.3.210.0230.06014.59
5.3.200.0230.03714.48
5.3.190.0330.05314.57
5.3.180.0270.04714.47
5.3.170.0270.05314.47
5.3.160.0270.05314.64
5.3.150.0300.03714.56
5.3.140.0270.05714.66
5.3.130.0270.07714.44
5.3.120.0300.06314.43
5.3.110.0370.06314.45
5.3.100.0300.05314.02
5.3.90.0270.06014.09
5.3.80.0200.04714.09
5.3.70.0430.05313.92
5.3.60.0230.04314.06
5.3.50.0330.05713.84
5.3.40.0300.06713.85
5.3.30.0270.05014.12
5.3.20.0300.03313.68
5.3.10.0270.03313.81
5.3.00.0300.04713.65
5.2.170.0300.05711.87
5.2.160.0370.04311.87
5.2.150.0270.04011.87
5.2.140.0200.03711.87
5.2.130.0270.02711.87
5.2.120.0270.05711.87
5.2.110.0170.03011.87
5.2.100.0270.06011.87
5.2.90.0230.06311.87
5.2.80.0330.05311.87
5.2.70.0270.05311.87
5.2.60.0200.04011.87
5.2.50.0230.05711.87
5.2.40.0230.05711.87
5.2.30.0200.03711.87
5.2.20.0230.05711.87
5.2.10.0300.04311.87
5.2.00.0200.05711.87
5.1.60.0130.03711.87
5.1.50.0170.05711.87
5.1.40.0170.03711.87
5.1.30.0270.03711.87
5.1.20.0330.04311.87
5.1.10.0200.03311.87
5.1.00.0200.03311.87
5.0.50.0100.03711.87
5.0.40.0170.04011.87
5.0.30.0100.04711.87
5.0.20.0100.02711.87
5.0.10.0070.03311.87
5.0.00.0100.04711.87
4.4.90.0130.03311.87
4.4.80.0100.02311.87
4.4.70.0100.03011.87
4.4.60.0130.02711.87
4.4.50.0100.01711.87
4.4.40.0100.05311.87
4.4.30.0170.02011.87
4.4.20.0100.03311.87
4.4.10.0130.03311.87
4.4.00.0100.02311.87
4.3.110.0070.03711.87
4.3.100.0070.02311.87
4.3.90.0130.01711.87
4.3.80.0070.05011.87
4.3.70.0130.03311.87
4.3.60.0070.03711.87
4.3.50.0170.03011.87
4.3.40.0130.02311.87
4.3.30.0030.02011.87
4.3.20.0030.03711.87
4.3.10.0030.03011.87
4.3.00.0070.02011.87

preferences:
44.22 ms | 401 KiB | 5 Q