3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1, 2, 3, 4); $chunk = array_chunk($arr, 2); $arr = array_shift($chunk); foreach ($chunk as $item) { print_r($item); } print_r($arr);

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)
8.3.60.0180.00718.18
8.3.50.0130.00516.56
8.3.40.0070.00718.42
8.3.30.0090.00618.55
8.3.20.0040.00418.65
8.3.10.0060.00320.45
8.3.00.0040.00417.50
8.2.180.0170.00316.63
8.2.170.0140.00022.96
8.2.160.0130.00022.14
8.2.150.0060.00324.18
8.2.140.0050.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00419.83
8.2.110.0090.00020.57
8.2.100.0100.00017.91
8.2.90.0040.00419.08
8.2.80.0090.00017.97
8.2.70.0060.00317.38
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0000.00718.22
8.2.30.0070.00318.04
8.2.20.0040.00417.59
8.2.10.0000.00817.80
8.2.00.0040.00417.65
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0070.00420.89
8.1.220.0080.00018.77
8.1.210.0060.00318.95
8.1.200.0030.00617.35
8.1.190.0040.00417.51
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0070.00018.79
8.1.150.0040.00418.54
8.1.140.0030.00517.36
8.1.130.0030.00517.82
8.1.120.0040.00417.37
8.1.110.0050.00317.45
8.1.100.0040.00417.35
8.1.90.0080.00017.50
8.1.80.0040.00417.48
8.1.70.0080.00017.43
8.1.60.0030.00617.61
8.1.50.0050.00517.35
8.1.40.0040.00417.58
8.1.30.0040.00417.66
8.1.20.0060.00317.61
8.1.10.0070.00017.40
8.1.00.0000.00817.41
8.0.300.0070.00320.02
8.0.290.0030.00616.75
8.0.280.0000.00718.47
8.0.270.0000.00717.17
8.0.260.0030.00318.43
8.0.250.0000.00716.93
8.0.240.0030.00516.95
8.0.230.0000.00816.91
8.0.220.0040.00416.78
8.0.210.0000.00816.89
8.0.200.0030.00316.90
8.0.190.0000.00816.93
8.0.180.0030.00316.85
8.0.170.0060.00316.99
8.0.160.0000.00716.87
8.0.150.0030.00616.76
8.0.140.0050.00516.89
8.0.130.0000.00513.36
8.0.120.0040.00416.77
8.0.110.0040.00416.89
8.0.100.0070.00016.73
8.0.90.0040.00416.77
8.0.80.0060.01016.92
8.0.70.0040.00416.87
8.0.60.0000.00716.90
8.0.50.0050.00316.80
8.0.30.0070.01517.14
8.0.20.0100.00917.40
8.0.10.0000.00716.95
8.0.00.0170.00316.84
7.4.330.0030.00314.77
7.4.320.0070.00016.51
7.4.300.0030.00316.53
7.4.290.0030.00316.51
7.4.280.0000.00716.41
7.4.270.0000.00716.43
7.4.260.0000.00613.21
7.4.250.0030.00616.59
7.4.240.0040.00416.55
7.4.230.0000.00716.52
7.4.220.0110.00716.49
7.4.210.0040.01016.54
7.4.200.0000.00716.63
7.4.190.0070.00016.61
7.4.160.0070.01016.58
7.4.150.0110.00717.18
7.4.140.0100.00817.14
7.4.130.0110.00816.38
7.4.120.0070.01016.44
7.4.110.0110.00616.55
7.4.100.0160.00716.53
7.4.90.0070.01116.32
7.4.80.0150.00618.80
7.4.70.0070.01016.49
7.4.60.0060.01316.43
7.4.50.0040.00416.57
7.4.40.0000.01622.27
7.4.30.0130.00316.43
7.4.00.0070.00715.00
7.3.330.0030.00313.05
7.3.320.0030.00312.97
7.3.310.0030.00316.26
7.3.300.0040.00416.25
7.3.290.0030.01016.26
7.3.280.0060.00816.27
7.3.270.0130.00317.40
7.3.260.0070.01018.24
7.3.250.0110.00716.41
7.3.240.0070.01016.37
7.3.230.0150.00016.39
7.3.210.0070.01116.28
7.3.200.0130.00319.39
7.3.190.0100.00316.48
7.3.180.0130.00416.21
7.3.170.0100.00716.64
7.3.160.0060.00916.47
7.3.120.0070.00715.05
7.2.330.0030.01416.55
7.2.320.0100.00716.76
7.2.310.0110.01216.66
7.2.300.0060.01116.61
7.2.290.0060.00916.57
7.1.100.0060.00918.25
7.1.70.0080.00317.02
7.1.60.0110.01419.40
7.1.50.0130.00716.63
7.1.00.0000.04022.45
7.0.200.0000.01016.75
7.0.140.0000.07722.07
7.0.60.0230.07019.93
7.0.50.0100.07717.87
7.0.40.0070.05017.76
7.0.30.0170.07317.73
7.0.20.0070.05017.71
7.0.10.0070.06717.79
7.0.00.0000.05317.77
5.6.280.0030.07320.85
5.6.210.0070.04720.53
5.6.200.0070.06718.20
5.6.190.0130.07318.23
5.6.180.0070.08018.19
5.6.170.0030.07318.14
5.6.160.0100.03718.22
5.6.150.0030.04318.21
5.6.140.0070.06718.13
5.6.130.0070.08018.23
5.6.120.0030.06718.21
5.6.110.0070.04718.26
5.6.100.0070.06718.16
5.6.90.0070.08018.27
5.6.80.0100.07317.56
5.6.70.0070.08017.55
5.6.60.0070.06317.49
5.6.50.0100.08017.52
5.6.40.0070.07317.53
5.6.30.0070.06317.55
5.6.20.0100.07317.48
5.6.10.0100.07317.50
5.6.00.0070.05317.53
5.5.350.4300.02320.46
5.5.340.0030.05017.94
5.5.330.0030.06318.05
5.5.320.0070.08018.04
5.5.310.0070.05018.01
5.5.300.0100.03717.95
5.5.290.0100.04717.98
5.5.280.0070.06317.95
5.5.270.0100.04317.98
5.5.260.0170.03317.94
5.5.250.0030.04017.89
5.5.240.0100.04317.36
5.5.230.0100.06317.36
5.5.220.0100.08017.45
5.5.210.0070.07717.33
5.5.200.0070.04317.42
5.5.190.0070.06017.29
5.5.180.0070.04717.29
5.5.160.0100.05017.30
5.5.150.0070.05317.33
5.5.140.0030.07017.42
5.5.130.0170.07317.33
5.5.120.0100.04717.43
5.5.110.0130.06717.41
5.5.100.0130.03017.29
5.5.90.0000.07317.17
5.5.80.0070.07717.32
5.5.70.0030.05017.32
5.5.60.0070.04017.21
5.5.50.0030.04017.27
5.5.40.0030.07317.32
5.5.30.0070.05717.21
5.5.20.0100.06717.21
5.5.10.0100.07017.30
5.5.00.0130.02717.30
5.4.450.0000.08719.36
5.4.440.0070.04719.34
5.4.430.0100.07319.39
5.4.420.0100.04719.32
5.4.410.0000.05319.25
5.4.400.0030.05018.89
5.4.390.0130.07018.98
5.4.380.0100.07019.27
5.4.370.0070.05319.27
5.4.360.0070.05319.02
5.4.350.0170.03719.09
5.4.340.0200.04319.12
5.4.320.0130.07319.13
5.4.310.0000.05718.98
5.4.300.0030.07018.89
5.4.290.0170.05719.01
5.4.280.0100.07319.27
5.4.270.0100.04019.12
5.4.260.0070.06318.88
5.4.250.0130.07318.88
5.4.240.0000.08319.17
5.4.230.0200.06719.10
5.4.220.0070.06018.97
5.4.210.0100.07318.88
5.4.200.0100.07719.00
5.4.190.0000.05319.08
5.4.180.0070.06719.05
5.4.170.0030.06019.04
5.4.160.0070.04719.25
5.4.150.0130.07319.12
5.4.140.0130.06316.29
5.4.130.0030.03716.42
5.4.120.0100.05316.37
5.4.110.0130.07016.38
5.4.100.0030.04316.49
5.4.90.0030.08016.28
5.4.80.0030.04016.41
5.4.70.0130.06316.54
5.4.60.0030.06016.41
5.4.50.0000.06016.37
5.4.40.0130.02716.50
5.4.30.0030.07316.52
5.4.20.0070.07016.42
5.4.10.0100.06016.39
5.4.00.0030.07315.84
5.3.290.0100.04314.64
5.3.280.0130.05714.60
5.3.270.0070.04314.81
5.3.260.0100.03714.55
5.3.250.0230.03014.81
5.3.240.0070.05714.64
5.3.230.0030.07714.63
5.3.220.0000.04714.59
5.3.210.0100.07014.57
5.3.200.0070.07314.56
5.3.190.0030.05314.66
5.3.180.0070.05714.60
5.3.170.0030.07714.77
5.3.160.0070.05714.58
5.3.150.0000.04314.40
5.3.140.0000.05314.39
5.3.130.0000.06314.55
5.3.120.0030.08014.57
5.3.110.0000.04314.58
5.3.100.0100.07014.04
5.3.90.0070.06314.07
5.3.80.0030.07014.00
5.3.70.0130.04713.89
5.3.60.0030.07013.99
5.3.50.0000.05313.95
5.3.40.0070.07713.96
5.3.30.0100.06013.96
5.3.20.0130.05013.72
5.3.10.0130.06313.66
5.3.00.0030.05713.69
5.2.170.0000.06711.20
5.2.160.0100.05711.10
5.2.150.0100.05711.19
5.2.140.0000.05711.03
5.2.130.0070.06311.08
5.2.120.0000.05711.08
5.2.110.0130.05311.14
5.2.100.0070.06010.98
5.2.90.0070.04011.12
5.2.80.0030.03711.06
5.2.70.0000.05011.18
5.2.60.0070.06310.89
5.2.50.0030.06311.00
5.2.40.0000.06710.97
5.2.30.0130.05710.85
5.2.20.0070.06311.00
5.2.10.0070.06010.87
5.2.00.0100.05710.61
5.1.60.0070.0279.97
5.1.50.0000.03310.09
5.1.40.0100.0209.88
5.1.30.0030.04310.33
5.1.20.0030.04010.39
5.1.10.0000.04710.03
5.1.00.0100.04710.27
5.0.50.0100.0438.53
5.0.40.0000.0478.50
5.0.30.0070.0438.21
5.0.20.0030.0308.26
5.0.10.0070.0438.00
5.0.00.0000.0708.14
4.4.90.0030.0337.65
4.4.80.0000.0377.65
4.4.70.0030.0377.65
4.4.60.0000.0337.65
4.4.50.0100.0237.65
4.4.40.0030.0237.65
4.4.30.0000.0207.65
4.4.20.0000.0377.65
4.4.10.0000.0337.65
4.4.00.0030.0477.65
4.3.110.0000.0237.65
4.3.100.0030.0377.65
4.3.90.0030.0237.65
4.3.80.0030.0407.65
4.3.70.0030.0207.65
4.3.60.0030.0277.65
4.3.50.0070.0177.65
4.3.40.0000.0507.65
4.3.30.0070.0277.65
4.3.20.0030.0207.65
4.3.10.0000.0207.65
4.3.00.0000.0377.65

preferences:
45.68 ms | 401 KiB | 5 Q