3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*function rev($str) { if ( ! $str ) { return; } return rev(substr($str,1)) . $str{0}; }*/ function sum($arr) { if ( empty($arr) ) { return; } return $arr[0] + sum(array_slice($arr,1)); } $a = array(5,4,7,8,9,3); echo sum($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)
8.3.60.0070.00718.31
8.3.50.0160.00321.95
8.3.40.0140.00018.58
8.3.30.0070.01019.13
8.3.20.0000.00720.38
8.3.10.0040.00422.14
8.3.00.0000.01022.39
8.2.180.0120.00316.50
8.2.170.0110.00422.96
8.2.160.0140.00718.98
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00319.36
8.2.110.0040.00822.21
8.2.100.0080.00319.76
8.2.90.0040.00419.16
8.2.80.0040.00418.05
8.2.70.0030.00717.63
8.2.60.0060.00318.03
8.2.50.0050.00318.07
8.2.40.0090.00020.07
8.2.30.0070.00018.00
8.2.20.0040.00417.70
8.2.10.0000.00817.66
8.2.00.0040.00417.66
8.1.280.0100.00725.92
8.1.270.0070.00722.15
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0050.00323.92
8.1.230.0040.00818.94
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0080.00017.53
8.1.180.0000.00718.61
8.1.170.0000.00818.56
8.1.160.0040.00421.94
8.1.150.0040.00418.67
8.1.140.0040.00417.30
8.1.130.0000.00717.65
8.1.120.0000.00717.39
8.1.110.0090.00017.29
8.1.100.0030.00517.42
8.1.90.0070.00017.41
8.1.80.0040.00417.29
8.1.70.0050.00317.30
8.1.60.0070.00017.58
8.1.50.0040.00417.51
8.1.40.0040.00417.41
8.1.30.0040.00517.63
8.1.20.0040.00417.67
8.1.10.0040.00417.58
8.1.00.0040.00417.43
8.0.300.0000.00718.77
8.0.290.0080.00017.05
8.0.280.0080.00018.44
8.0.270.0040.00417.29
8.0.260.0000.00616.88
8.0.250.0070.00016.98
8.0.240.0070.00017.03
8.0.230.0000.00717.00
8.0.220.0030.00316.75
8.0.210.0040.00416.89
8.0.200.0040.00416.83
8.0.190.0040.00416.92
8.0.180.0070.00016.80
8.0.170.0070.00016.91
8.0.160.0000.00816.88
8.0.150.0030.00516.75
8.0.140.0040.00416.75
8.0.130.0000.00613.35
8.0.120.0040.00416.86
8.0.110.0040.00416.91
8.0.100.0040.00416.73
8.0.90.0000.00716.95
8.0.80.0080.00816.86
8.0.70.0000.00916.77
8.0.60.0040.00416.66
8.0.50.0000.00716.86
8.0.30.0130.01216.85
8.0.20.0080.01117.40
8.0.10.0040.00416.95
8.0.00.0070.01016.87
7.4.330.0020.00215.00
7.4.320.0000.00616.43
7.4.300.0060.00016.54
7.4.290.0000.00716.55
7.4.280.0040.00416.50
7.4.270.0070.00016.62
7.4.260.0000.01016.58
7.4.250.0000.00816.44
7.4.240.0020.00616.46
7.4.230.0000.00716.41
7.4.220.0070.01016.39
7.4.210.0110.00616.51
7.4.200.0040.00416.29
7.4.190.0000.00716.45
7.4.160.0030.01316.58
7.4.150.0150.00317.40
7.4.140.0090.01317.86
7.4.130.0100.01316.52
7.4.120.0070.01116.32
7.4.110.0110.00716.48
7.4.100.0070.01016.34
7.4.90.0060.01716.42
7.4.80.0120.00619.39
7.4.70.0100.00716.18
7.4.60.0160.00316.42
7.4.50.0040.00416.54
7.4.40.0120.00322.77
7.4.30.0090.00816.56
7.4.00.0060.01015.01
7.3.330.0060.00013.09
7.3.320.0030.00313.27
7.3.310.0070.00016.32
7.3.300.0000.00616.25
7.3.290.0110.00316.23
7.3.280.0090.00916.23
7.3.270.0090.00917.40
7.3.260.0140.00316.45
7.3.250.0100.00616.35
7.3.240.0030.01316.55
7.3.230.0000.01716.39
7.3.210.0110.00516.20
7.3.200.0080.01019.39
7.3.190.0150.00716.46
7.3.180.0060.00916.29
7.3.170.0120.00616.41
7.3.160.0080.00816.26
7.3.120.0070.01114.82
7.3.110.0080.01014.93
7.3.100.0020.01514.63
7.3.90.0060.00814.67
7.3.80.0040.00714.90
7.3.70.0070.01014.83
7.3.60.0090.00514.90
7.3.50.0050.00514.90
7.3.40.0070.00714.79
7.3.30.0050.00814.75
7.3.20.0080.00816.66
7.3.10.0060.00716.71
7.3.00.0050.01016.50
7.2.330.0080.00816.46
7.2.320.0150.00416.37
7.2.310.0060.01016.75
7.2.300.0090.01216.34
7.2.290.0030.01316.55
7.2.250.0050.01515.15
7.2.240.0120.00915.04
7.2.230.0100.00715.04
7.2.220.0060.00515.19
7.2.210.0030.00914.87
7.2.200.0090.00515.07
7.2.190.0030.01115.06
7.2.180.0050.01015.09
7.2.170.0080.00515.01
7.2.00.0030.01019.52
7.1.330.0070.01015.55
7.1.320.0050.00915.62
7.1.310.0030.01015.92
7.1.300.0060.00515.81
7.1.290.0070.00415.84
7.1.280.0020.01315.60
7.1.270.0030.00715.69
7.1.260.0050.00915.83
7.1.100.0230.00317.68
7.1.70.0000.00917.30
7.1.60.0070.01819.82
7.1.50.0100.00716.67
7.1.00.0000.08022.54
7.0.200.0040.00416.84
7.0.140.0000.07022.09
7.0.60.0070.08019.94
7.0.50.0070.04017.97
7.0.40.0030.04320.11
7.0.30.0570.07020.14
7.0.20.0230.05320.24
7.0.10.0270.06720.23
7.0.00.0100.08320.23
5.6.280.0100.06720.91
5.6.210.0070.05020.73
5.6.200.0000.07718.12
5.6.190.0100.08020.47
5.6.180.0500.06020.55
5.6.170.0200.07720.59
5.6.160.0030.05020.50
5.6.150.0000.08718.20
5.6.140.0030.04318.28
5.6.130.0000.04718.16
5.6.120.0030.05320.94
5.6.110.0170.06721.05
5.6.100.0200.07021.14
5.6.90.0100.05720.96
5.6.80.0030.08320.52
5.5.350.0170.08020.40
5.5.340.0030.08718.09
5.5.330.0100.03720.56
5.5.320.0330.04020.34
5.5.310.0330.04020.34
5.5.300.0170.07317.98
5.5.290.0100.07318.02
5.5.280.0230.06720.73
5.5.270.0030.04720.85
5.5.260.0070.06320.87
5.5.250.0070.06020.58
5.5.240.0230.07020.23
5.4.450.0230.07319.16
5.4.440.0200.04719.41
5.4.430.0030.06019.63
5.4.420.0070.06019.52
5.4.410.0070.05719.39
5.4.400.1030.00018.83
5.4.390.1330.00018.56
5.4.380.0230.06318.74
5.4.370.1000.05018.77
5.4.360.0870.06018.59
5.4.350.0900.05318.75
5.4.340.0730.04718.84
5.4.320.0050.04812.51
5.4.310.0070.04812.50
5.4.300.0070.04312.51
5.4.290.0060.04312.50
5.4.280.0080.04712.40
5.4.270.0110.04512.40
5.4.260.0070.05318.80
5.4.250.0000.06319.09
5.4.240.0000.09719.09
5.4.230.0030.05718.95
5.4.220.0030.06018.96
5.4.210.0070.05718.79
5.4.200.0130.04718.84
5.4.190.0170.05018.82
5.4.180.0100.05018.85
5.4.170.0030.06718.96
5.4.160.0100.07018.79
5.4.150.0170.04719.08
5.4.140.0130.04716.46
5.4.130.0030.05016.42
5.4.120.0000.05716.55
5.4.110.0130.04316.52
5.4.100.0070.04716.36
5.4.90.0070.04716.75
5.4.80.0130.04316.48
5.4.70.0170.04316.50
5.4.60.0100.04716.63
5.4.50.0070.05716.60
5.4.40.0130.04316.36
5.4.30.0030.05316.47
5.4.20.0030.08016.38
5.4.10.0030.06016.38
5.4.00.0200.05316.00
5.3.290.0090.04612.80
5.3.280.0070.06014.58
5.3.270.0070.06014.43
5.3.260.0100.05014.57
5.3.250.0070.05014.43
5.3.240.0070.05314.59
5.3.230.0070.05014.61
5.3.220.0100.05014.53
5.3.210.0030.06714.55
5.3.200.0000.05314.55
5.3.190.0070.07314.55
5.3.180.0000.05714.72
5.3.170.0100.05314.70
5.3.160.0130.06314.46
5.3.150.0100.04714.58
5.3.140.0070.06714.56
5.3.130.0100.05014.68
5.3.120.0000.06014.63
5.3.110.0100.05014.38
5.3.100.0000.05714.26
5.3.90.0100.04714.02
5.3.80.0130.04714.09
5.3.70.0030.05314.09

preferences:
47.08 ms | 401 KiB | 5 Q