3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 5; $k = 4; $a = array(1,2,3,4,5); $aSize = count($a);//5 print_r($a); //k left iteration for($i=1; $i<=$k; $i++) { $first = $a[0]; for($j=1; $j<$aSize; $j++) { $a[$j-1]=$a[$j]; } $a[$aSize-1]=$first; } print_r($a);

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)
8.3.40.0110.00418.54
8.3.30.0070.00718.50
8.3.20.0000.00721.91
8.3.10.0080.00022.09
8.3.00.0080.00019.97
8.2.170.0100.01018.64
8.2.160.0070.01022.96
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00417.91
8.2.120.0040.00426.35
8.2.110.0030.00619.21
8.2.100.0050.00517.59
8.2.90.0050.00319.17
8.2.80.0090.00017.97
8.2.70.0060.00317.50
8.2.60.0050.00317.80
8.2.50.0060.00318.10
8.2.40.0040.00420.47
8.2.30.0040.00419.29
8.2.20.0000.00818.10
8.2.10.0000.00818.16
8.2.00.0040.00417.68
8.1.270.0040.00422.15
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00623.84
8.1.230.0040.00717.77
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.23
8.1.180.0000.00718.10
8.1.170.0000.00818.64
8.1.160.0030.00518.89
8.1.150.0040.00422.01
8.1.140.0020.00519.44
8.1.130.0030.00320.00
8.1.120.0030.00317.48
8.1.110.0000.00817.42
8.1.100.0000.00917.35
8.1.90.0000.00717.52
8.1.80.0040.00417.34
8.1.70.0000.00717.38
8.1.60.0060.00317.61
8.1.50.0050.00317.54
8.1.40.0040.00417.52
8.1.30.0080.00017.68
8.1.20.0020.00517.54
8.1.10.0040.00417.40
8.1.00.0110.00017.42
8.0.300.0030.00318.77
8.0.290.0060.00316.63
8.0.280.0070.00018.41
8.0.270.0000.00817.25
8.0.260.0000.00618.57
8.0.250.0030.00316.80
8.0.240.0040.00416.79
8.0.230.0030.00316.91
8.0.220.0000.00716.84
8.0.210.0000.00716.75
8.0.200.0040.00416.85
8.0.190.0030.00516.91
8.0.180.0000.00716.80
8.0.170.0040.00416.80
8.0.160.0030.00316.75
8.0.150.0050.00316.89
8.0.140.0040.00416.73
8.0.130.0030.00313.34
8.0.120.0080.00016.87
8.0.110.0020.00516.94
8.0.100.0000.00716.70
8.0.90.0000.00716.74
8.0.80.0040.01116.84
8.0.70.0070.00016.73
8.0.60.0060.00316.75
8.0.50.0000.00716.84
8.0.30.0090.00817.01
8.0.20.0100.00917.40
8.0.10.0000.00717.00
8.0.00.0100.00616.67
7.4.330.0030.00315.55
7.4.320.0000.00616.68
7.4.300.0030.00316.57
7.4.290.0050.00316.49
7.4.280.0040.00416.56
7.4.270.0050.00316.51
7.4.260.0000.00716.46
7.4.250.0070.00016.50
7.4.240.0050.00216.60
7.4.230.0030.00316.39
7.4.220.0060.01216.69
7.4.210.0120.00416.53
7.4.200.0070.00016.47
7.4.160.0110.00616.43
7.4.150.0030.01317.40
7.4.140.0150.02017.86
7.4.130.0120.00716.49
7.4.120.0100.00716.49
7.4.110.0080.00916.47
7.4.100.0140.01016.45
7.4.90.0100.00716.34
7.4.80.0130.00419.39
7.4.70.0090.01316.45
7.4.60.0090.00616.45
7.4.50.0040.00716.29
7.4.40.0030.01516.53
7.4.30.0090.00616.71
7.4.00.0030.01314.94
7.3.330.0030.00313.14
7.3.320.0050.00013.17
7.3.310.0030.00316.38
7.3.300.0040.00416.15
7.3.290.0040.00416.40
7.3.280.0070.00816.33
7.3.270.0100.00717.40
7.3.260.0100.00916.50
7.3.250.0110.00716.45
7.3.240.0100.00816.35
7.3.230.0140.00316.34
7.3.210.0110.00716.57
7.3.200.0120.00916.55
7.3.190.0060.00916.38
7.3.180.0090.00616.59
7.3.170.0130.00316.54
7.3.160.0110.00816.57
7.3.120.0100.00714.95
7.3.110.0090.00914.67
7.3.100.0090.00615.06
7.3.90.0030.00614.85
7.3.80.0100.00314.75
7.3.70.0060.00914.70
7.3.60.0100.00314.56
7.3.50.0070.01014.79
7.3.40.0030.00714.71
7.3.30.0060.00914.82
7.3.20.0060.00916.64
7.3.10.0140.00016.75
7.3.00.0050.01016.47
7.2.330.0030.01316.31
7.2.320.0170.00316.62
7.2.310.0060.01116.77
7.2.300.0130.01016.41
7.2.290.0120.00916.64
7.2.250.0070.01115.19
7.2.240.0090.00914.79
7.2.230.0060.01015.07
7.2.220.0110.00015.22
7.2.210.0040.00714.88
7.2.200.0070.00714.81
7.2.190.0080.00315.02
7.2.180.0060.01015.16
7.2.170.0060.00914.68
7.2.130.0120.00516.62
7.2.120.0110.00616.55
7.2.110.0080.01116.84
7.2.100.0070.00716.70
7.2.90.0090.00916.52
7.2.80.0060.01116.53
7.2.70.0100.01016.54
7.2.60.0160.00616.70
7.2.50.0100.00816.57
7.2.40.0160.00016.86
7.2.30.0090.00917.05
7.2.20.0150.00316.75
7.2.10.0070.00716.91
7.2.00.0070.01116.76
7.1.330.0070.01015.97
7.1.320.0030.01016.02
7.1.310.0080.00315.91
7.1.300.0120.00316.05
7.1.290.0000.01515.77
7.1.280.0090.00415.53
7.1.270.0030.00615.61
7.1.260.0030.00715.54
7.1.250.0100.00515.86
7.1.240.0120.00315.70
7.1.230.0080.00815.84
7.1.220.0090.00315.68
7.1.210.0070.01015.65
7.1.200.0050.01115.86
7.1.190.0070.00715.42
7.1.180.0110.00715.66
7.1.170.0120.00315.79
7.1.160.0120.00315.55
7.1.150.0030.01015.52
7.1.140.0100.00315.80
7.1.130.0100.00415.49
7.1.120.0060.00615.67
7.1.110.0090.00615.76
7.1.100.0070.01015.68
7.1.90.0030.01015.62
7.1.80.0140.00715.38
7.1.70.0050.00816.42
7.1.60.0140.01115.60
7.1.50.0100.01015.38
7.1.40.0130.00315.66
7.1.30.0090.00615.24
7.1.20.0040.01115.67
7.1.10.0080.04518.81
7.1.00.0130.03018.92
7.0.330.0090.00615.25
7.0.320.0110.00315.05
7.0.310.0040.01115.22
7.0.300.0100.00715.28
7.0.290.0030.01015.23
7.0.280.0070.00415.23
7.0.270.0100.00315.25
7.0.260.0070.00715.00
7.0.250.0090.00615.01
7.0.240.0140.00315.35
7.0.230.0110.00315.27
7.0.220.0110.00315.06
7.0.210.0030.01415.07
7.0.200.0020.01315.94
7.0.190.0120.00015.27
7.0.180.0070.01015.28
7.0.170.0060.01015.39
7.0.160.0040.00815.21
7.0.150.0050.03518.57
7.0.140.0100.03018.61
7.0.130.0100.03018.54
7.0.120.0100.02818.50
7.0.110.0080.03318.56
7.0.100.0070.03118.54
7.0.90.0090.03418.56
7.0.80.0080.03318.58
7.0.70.0070.03618.51
7.0.60.0130.03018.52
7.0.50.0140.04018.65
7.0.40.0100.03017.44
7.0.30.0070.03217.51
7.0.20.0120.03017.41
7.0.10.0100.02817.40
7.0.00.0050.03417.58
5.6.380.0080.00414.19

preferences:
58.67 ms | 400 KiB | 5 Q