3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'a', 'b', 'c', 'd', 'e', 'f', 'g' ); $array = array_reverse($array); $chunk = array_chunk($array, 3); print_r($chunk); $chunk[count($chunk)-1][] = $chunk[0][count($chunk)-1]; unset($chunk[0][count($chunk)-1]); print_r($chunk); $array = array_map('array_reverse', $chunk); print_r(array_reverse($array));

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)
8.5.10.0120.00616.64
8.5.00.0100.01520.04
8.4.150.0030.00014.05
8.4.140.0130.00817.44
8.4.130.0090.00917.59
8.4.120.0130.00720.65
8.4.110.0140.00722.41
8.4.100.0120.00917.78
8.4.90.0050.00418.73
8.4.80.0130.00617.75
8.4.70.0140.00717.68
8.4.60.0110.00918.97
8.4.50.0110.01218.68
8.4.40.0090.00919.20
8.4.30.0000.00819.57
8.4.20.0100.01020.63
8.4.10.0050.00517.86
8.3.280.0120.00718.50
8.3.270.0090.01116.64
8.3.260.0140.00616.69
8.3.250.0070.00719.18
8.3.240.0130.00616.63
8.3.230.0030.00516.53
8.3.220.0090.00917.02
8.3.210.0040.00518.36
8.3.200.0060.00316.55
8.3.190.0110.00717.05
8.3.180.0090.01018.51
8.3.170.0180.00020.80
8.3.160.0030.00517.07
8.3.150.0090.00917.10
8.3.140.0090.00616.47
8.3.130.0030.00616.81
8.3.120.0030.00619.18
8.3.110.0080.00016.53
8.3.100.0160.00316.62
8.3.90.0120.00318.56
8.3.80.0060.00318.30
8.3.70.0100.00716.61
8.3.60.0150.00018.18
8.3.50.0110.00617.98
8.3.40.0130.00618.79
8.3.30.0090.00618.63
8.3.20.0000.00820.16
8.3.10.0050.00221.90
8.3.00.0040.00418.93
8.2.290.0130.00720.37
8.2.280.0100.00620.02
8.2.270.0120.00617.26
8.2.260.0070.01016.82
8.2.250.0040.00418.50
8.2.240.0120.00617.42
8.2.230.0060.00320.94
8.2.220.0090.00624.06
8.2.210.0080.00026.77
8.2.200.0030.00616.38
8.2.190.0120.00617.00
8.2.180.0060.01218.16
8.2.170.0110.00422.96
8.2.160.0030.01022.08
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00322.09
8.2.120.0080.00026.35
8.2.110.0100.00022.26
8.2.100.0110.00017.72
8.2.90.0030.00517.63
8.2.80.0040.00417.97
8.2.70.0000.00717.93
8.2.60.0070.00018.22
8.2.50.0040.00418.10
8.2.40.0000.00719.30
8.2.30.0040.00419.21
8.2.20.0030.00518.06
8.2.10.0020.00518.05
8.2.00.0080.00019.42
8.1.330.0100.00923.74
8.1.320.0080.00716.14
8.1.310.0080.00018.25
8.1.300.0060.00318.45
8.1.290.0090.00318.88
8.1.280.0140.00425.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00617.36
8.1.230.0080.00318.96
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.38
8.1.180.0000.00818.10
8.1.170.0000.00818.45
8.1.160.0000.00718.79
8.1.150.0050.00218.84
8.1.140.0000.00722.10
8.1.130.0000.00718.91
8.1.120.0030.00317.50
8.1.110.0030.00617.46
8.1.100.0060.00617.52
8.1.90.0000.00717.53
8.1.80.0040.00417.47
8.1.70.0030.00317.43
8.1.60.0000.00817.50
8.1.50.0000.00717.45
8.1.40.0000.00817.45
8.1.30.0060.00317.52
8.1.20.0000.00717.56
8.1.10.0000.00817.53
8.1.00.0090.00017.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0000.00717.22
8.0.260.0030.00318.34
8.0.250.0000.01016.93
8.0.240.0070.00016.79
8.0.230.0000.00716.91
8.0.220.0030.00316.74
8.0.210.0070.00016.76
8.0.200.0070.00016.80
8.0.190.0040.00416.95
8.0.180.0040.00416.76
8.0.170.0000.00916.90
8.0.160.0040.00417.00
8.0.150.0080.00316.72
8.0.140.0000.00716.84
8.0.130.0000.00613.40
8.0.120.0050.00216.85
8.0.110.0000.00716.94
8.0.100.0040.00416.91
8.0.90.0040.00416.88
8.0.80.0080.01116.86
8.0.70.0000.00716.85
8.0.60.0040.00416.86
8.0.50.0040.00416.94
8.0.30.0140.00316.83
8.0.20.0140.00417.40
8.0.10.0000.00717.04
8.0.00.0130.00516.73
7.4.330.0000.00616.69
7.4.320.0000.00816.63
7.4.300.0060.00016.65
7.4.290.0040.00416.61
7.4.280.0000.00716.62
7.4.270.0030.00616.53
7.4.260.0000.00716.56
7.4.250.0050.00316.56
7.4.240.0000.00816.46
7.4.230.0000.00716.43
7.4.220.0050.00316.67
7.4.210.0020.01216.54
7.4.200.0050.00316.54
7.4.160.0060.01116.54
7.4.140.0120.00817.86
7.4.130.0120.00616.46
7.4.120.0100.00816.53
7.4.110.0130.01016.61
7.4.100.0070.01016.62
7.4.90.0130.01016.44
7.4.80.0170.00019.39
7.4.70.0180.00416.69
7.4.60.0120.00816.46
7.4.50.0100.00316.30
7.4.40.0090.00916.52
7.4.10.0100.01014.74
7.4.00.0080.00815.01
7.3.330.0000.00613.14
7.3.320.0000.00513.25
7.3.310.0030.00316.38
7.3.300.0000.00716.35
7.3.290.0030.00316.33
7.3.280.0090.00516.38
7.3.260.0120.00616.44
7.3.240.0070.00916.42
7.3.230.0130.01016.50
7.3.210.0100.00716.49
7.3.200.0030.01416.30
7.3.190.0060.01216.58
7.3.180.0150.00316.51
7.3.170.0190.00316.37
7.3.160.0100.01016.54
7.3.130.0100.01014.94
7.3.120.0110.00615.04
7.3.110.0130.00514.95
7.3.100.0090.00414.88
7.3.90.0080.00814.91
7.3.80.0050.00814.79
7.3.70.0040.00614.59
7.3.60.0020.01014.76
7.3.50.0050.00614.69
7.3.40.0040.01014.85
7.3.30.0020.01214.83
7.3.20.0080.00516.83
7.3.10.0080.00516.67
7.3.00.0030.01016.87
7.2.330.0070.01016.43
7.2.320.0030.01316.75
7.2.310.0030.01316.59
7.2.300.0120.00316.67
7.2.290.0120.00616.75
7.2.260.0130.00615.04
7.2.250.0090.01015.07
7.2.240.0080.01015.11
7.2.230.0040.00914.76
7.2.220.0110.00614.90
7.2.210.0080.00514.89
7.2.200.0070.00815.16
7.2.190.0050.00615.04
7.2.180.0130.00114.86
7.2.170.0050.00815.08
7.2.160.0050.00515.03
7.2.150.0000.01016.97
7.2.140.0070.00716.97
7.2.130.0100.00316.59
7.2.120.0110.00416.56
7.2.110.0020.01116.78
7.2.100.0090.00416.69
7.2.90.0030.01116.73
7.2.80.0020.01116.80
7.2.70.0050.00616.79
7.2.60.0070.00716.83
7.2.50.0040.00916.93
7.2.40.0070.00816.99
7.2.30.0060.01016.79
7.2.20.0070.00716.95
7.2.10.0090.00516.89
7.2.00.0060.00716.86
7.1.330.0050.01015.92
7.1.320.0060.00515.73
7.1.310.0050.00815.85
7.1.300.0030.01015.55
7.1.290.0080.00315.56
7.1.280.0060.00715.78
7.1.270.0050.00715.78
7.1.260.0060.00615.73
7.1.250.0070.00315.81
7.1.240.0060.00615.52
7.1.230.0040.00915.74
7.1.220.0040.00815.70
7.1.210.0040.00915.63
7.1.200.0070.00715.69
7.1.190.0080.00515.77
7.1.180.0080.00515.76
7.1.170.0060.00615.54
7.1.160.0070.00515.64
7.1.150.0120.00515.63
7.1.140.0080.00415.86
7.1.130.0060.00815.66
7.1.120.0060.00415.83
7.1.110.0080.00415.80
7.1.100.0090.00615.54
7.1.90.0090.00515.91
7.1.80.0090.00615.94
7.1.70.0040.00715.80
7.1.60.0050.00915.83
7.1.50.0070.00715.64
7.1.40.0030.01015.90
7.1.30.0080.00615.61
7.1.20.0070.00515.71
7.1.10.0050.00715.87
7.1.00.0050.00715.64
7.0.330.0080.00315.16
7.0.320.0130.00315.50
7.0.310.0070.00715.13
7.0.300.0060.00915.58
7.0.290.0030.01015.48
7.0.280.0070.01015.41
7.0.270.0080.00815.27
7.0.260.0060.00615.45
7.0.250.0030.00715.48
7.0.240.0000.01015.52
7.0.230.0110.00015.12
7.0.220.0060.00615.45
7.0.210.0080.00615.44
7.0.200.0000.01315.38
7.0.190.0120.00315.42
7.0.180.0000.01415.40
7.0.170.0060.00315.35
7.0.160.0090.00615.50
7.0.150.0100.00715.42
7.0.140.0030.00715.47
7.0.130.0070.00715.46
7.0.120.0070.00715.45
7.0.110.0040.00815.56
7.0.100.0040.00715.39
7.0.90.0030.01015.53
7.0.80.0050.00515.41
7.0.70.0000.01415.53
7.0.60.0080.00815.47
7.0.50.0030.00915.67
7.0.40.0040.00813.39
7.0.30.0110.00613.37
7.0.20.0030.00713.18
7.0.10.0070.00313.59
7.0.00.0040.00813.48
5.6.400.0060.00914.51
5.6.390.0030.01214.41
5.6.380.0080.00614.59
5.6.370.0060.01014.79
5.6.360.0120.00014.42
5.6.350.0060.00914.48
5.6.340.0060.00314.27
5.6.330.0040.01214.62
5.6.320.0030.01214.45
5.6.310.0080.00314.10
5.6.300.0070.00714.63
5.6.290.0000.01314.36
5.6.280.0000.01014.45
5.6.270.0060.00614.24
5.6.260.0060.00614.55
5.6.250.0030.01014.29
5.6.240.0000.01414.52
5.6.230.0000.00914.35
5.6.220.0110.00314.59
5.6.210.0070.00314.52
5.6.200.0070.00314.25
5.6.190.0100.00314.45
5.6.180.0110.00714.38
5.6.170.0040.00814.63
5.6.160.0030.01014.27
5.6.150.0100.00314.23
5.6.140.0040.00414.24
5.6.130.0060.00314.69
5.6.120.0000.01214.38
5.6.110.0000.01714.50
5.6.100.0160.00314.27
5.6.90.0060.01014.15
5.6.80.0120.00614.20
5.6.70.0070.00714.32
5.6.60.0100.00314.17
5.6.50.0080.00614.10
5.6.40.0070.00314.09
5.6.30.0030.01214.16
5.6.20.0070.00714.32
5.6.10.0070.00714.43
5.6.00.0040.00714.32

preferences:
35.2 ms | 403 KiB | 5 Q