3v4l.org

run code in 300+ PHP versions simultaneously
<?php $z = "hejsanhejsan";//$argv[1]; $x = str_split($z, 5); $l = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"; foreach ($x as $y) { var_dump(str_split(strrev($y))); foreach (str_split(strrev($y)) as $a => $w) { $y[$a] = ctype_upper($w); } $z .= $l[bindec($y)]; } echo $z;

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)
8.3.60.0070.01118.43
8.3.50.0110.00721.87
8.3.40.0120.00318.79
8.3.30.0140.00018.83
8.3.20.0050.00220.29
8.3.10.0040.00420.56
8.3.00.0040.00423.65
8.2.180.0110.01116.75
8.2.170.0110.00422.96
8.2.160.0100.00322.10
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00821.00
8.2.120.0040.00426.35
8.2.110.0070.00321.05
8.2.100.0120.00017.93
8.2.90.0030.00519.08
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0040.00418.03
8.2.50.0040.00718.09
8.2.40.0030.00720.54
8.2.30.0050.00219.46
8.2.20.0050.00217.77
8.2.10.0070.00018.20
8.2.00.0060.00318.20
8.1.280.0150.00625.92
8.1.270.0070.00722.09
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.01322.44
8.1.230.0000.01117.77
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0040.00417.50
8.1.190.0050.00317.25
8.1.180.0000.00918.10
8.1.170.0040.00418.71
8.1.160.0040.00420.79
8.1.150.0090.00020.58
8.1.140.0040.00419.64
8.1.130.0030.00317.72
8.1.120.0000.00717.47
8.1.110.0050.00217.47
8.1.100.0000.00817.50
8.1.90.0000.00717.48
8.1.80.0070.00017.48
8.1.70.0000.00717.54
8.1.60.0040.00417.50
8.1.50.0040.00417.59
8.1.40.0000.00817.54
8.1.30.0040.00417.72
8.1.20.0000.00717.45
8.1.10.0050.00317.47
8.1.00.0050.00217.50
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0030.00318.40
8.0.270.0000.00717.34
8.0.260.0030.00317.29
8.0.250.0000.00717.07
8.0.240.0050.00217.05
8.0.230.0070.00017.09
8.0.220.0000.00717.04
8.0.210.0000.00716.98
8.0.200.0030.00317.01
8.0.190.0000.00717.06
8.0.180.0000.01016.98
8.0.170.0050.00516.89
8.0.160.0000.00716.97
8.0.150.0000.00816.88
8.0.140.0040.00416.77
8.0.130.0030.00313.39
8.0.120.0060.00316.90
8.0.110.0070.00016.95
8.0.100.0000.00716.88
8.0.90.0040.00416.78
8.0.80.0100.00617.02
8.0.70.0000.00816.75
8.0.60.0050.00317.00
8.0.50.0040.00416.77
8.0.30.0120.01017.07
8.0.20.0140.00817.43
8.0.10.0030.00517.04
8.0.00.0080.01216.81
7.4.330.0000.00516.89
7.4.320.0030.00316.52
7.4.300.0040.00416.67
7.4.290.0030.00316.59
7.4.280.0080.00016.47
7.4.270.0030.00316.64
7.4.260.0040.00416.59
7.4.250.0000.00716.58
7.4.240.0080.00016.45
7.4.230.0030.00316.45
7.4.220.0120.00516.58
7.4.210.0040.01116.48
7.4.200.0040.00416.43
7.4.160.0110.00716.66
7.4.150.0130.00717.40
7.4.140.0070.01217.86
7.4.130.0140.00416.60
7.4.120.0020.01916.49
7.4.110.0090.00916.57
7.4.100.0120.01216.57
7.4.90.0100.01316.63
7.4.80.0150.00319.39
7.4.70.0030.01316.53
7.4.60.0070.01116.69
7.4.50.0030.01016.65
7.4.40.0080.00816.63
7.4.30.0150.00316.64
7.4.00.0060.00915.03
7.3.330.0000.00513.17
7.3.320.0030.00313.09
7.3.310.0030.00316.41
7.3.300.0000.00716.25
7.3.290.0070.00916.36
7.3.280.0080.00916.33
7.3.270.0150.00417.40
7.3.260.0090.00916.24
7.3.250.0080.01316.55
7.3.240.0090.00916.54
7.3.230.0060.01216.39
7.3.210.0130.00316.46
7.3.200.0070.01016.37
7.3.190.0090.00616.50
7.3.180.0030.01716.50
7.3.170.0110.01116.66
7.3.160.0080.01316.53
7.3.120.0030.01014.89
7.3.110.0070.01114.82
7.3.100.0030.01014.95
7.3.90.0060.01014.58
7.3.80.0140.00014.87
7.3.70.0060.00314.79
7.3.60.0060.01014.74
7.3.50.0100.00714.80
7.3.40.0090.00614.78
7.3.30.0030.00614.76
7.3.20.0110.00316.57
7.3.10.0090.00316.57
7.3.00.0070.00716.83
7.2.330.0110.00716.86
7.2.320.0120.00616.78
7.2.310.0090.00916.37
7.2.300.0140.00316.35
7.2.290.0100.00716.76
7.2.250.0070.01515.26
7.2.240.0090.00615.19
7.2.230.0070.01015.04
7.2.220.0070.00415.34
7.2.210.0090.00614.99
7.2.200.0030.01015.02
7.2.190.0000.00915.07
7.2.180.0040.01115.01
7.2.170.0000.01015.09
7.2.60.0030.01316.98
7.2.00.0030.01219.51
7.1.330.0030.01015.96
7.1.320.0030.01015.95
7.1.310.0110.00415.59
7.1.300.0100.00315.84
7.1.290.0100.00315.98
7.1.280.0000.01015.96
7.1.270.0070.00715.84
7.1.260.0030.01515.81
7.1.200.0080.00815.84
7.1.100.0080.00818.03
7.1.70.0000.00716.90
7.1.60.0000.02419.19
7.1.50.0080.00416.86
7.1.00.0100.07022.37
7.0.200.0140.00714.99
7.0.60.0130.08321.80
7.0.50.0030.08017.82
7.0.40.0100.08319.98
7.0.30.0500.07020.33
7.0.20.0270.05720.16
7.0.10.0100.08720.16
7.0.00.0000.06320.01
5.6.210.0000.04720.64
5.6.200.0000.04318.08
5.6.190.0070.05020.43
5.6.180.0200.05320.35
5.6.170.0230.04320.62
5.6.160.0130.06720.32
5.6.150.0170.07018.13
5.6.140.0200.06318.18
5.6.130.0030.08318.18
5.6.120.0130.06320.98
5.6.110.0030.04021.00
5.6.100.0130.05021.07
5.6.90.0100.05721.10
5.6.80.0100.07720.41
5.5.350.0430.06020.40
5.5.340.0100.07017.91
5.5.330.0000.04320.20
5.5.320.0270.07720.51
5.5.310.0230.07720.41
5.5.300.0100.07017.98
5.5.290.0130.07717.92
5.5.280.0030.04320.76
5.5.270.0130.06020.83
5.5.260.0170.07320.84
5.5.250.0070.04020.79
5.5.240.0070.06720.04

preferences:
51.48 ms | 401 KiB | 5 Q