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 ( ! sizeof($arr) ) { return; } return sum(array_shift($arr)) + $arr[0]; } echo sum(array(5,4,7,8,9,3)); echo rev('hola mundos ninos');

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)
8.3.70.0110.00716.75
8.3.60.0150.00618.27
8.3.50.0100.00822.05
8.3.40.0110.00418.45
8.3.30.0110.00418.79
8.3.20.0000.00720.25
8.3.10.0080.00021.95
8.3.00.0050.00322.52
8.2.190.0030.01216.58
8.2.180.0120.00916.32
8.2.170.0070.01422.96
8.2.160.0090.00619.13
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00419.23
8.2.110.0070.00422.24
8.2.100.0100.00319.33
8.2.90.0040.00418.92
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0050.00317.91
8.2.50.0030.00518.07
8.2.40.0030.00618.22
8.2.30.0050.00217.91
8.2.20.0040.00417.52
8.2.10.0000.00817.47
8.2.00.0030.00617.61
8.1.280.0200.00025.92
8.1.270.0040.00422.01
8.1.260.0020.00526.35
8.1.250.0080.00028.09
8.1.240.0080.00020.89
8.1.230.0110.00017.53
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.28
8.1.180.0030.00518.54
8.1.170.0000.00818.61
8.1.160.0040.00421.86
8.1.150.0000.00718.43
8.1.140.0060.00317.23
8.1.130.0070.00017.70
8.1.120.0040.00417.36
8.1.110.0000.00717.23
8.1.100.0070.00017.34
8.1.90.0050.00217.23
8.1.80.0000.00717.40
8.1.70.0070.00017.31
8.1.60.0050.00317.33
8.1.50.0030.00517.36
8.1.40.0000.00817.40
8.1.30.0060.00317.47
8.1.20.0050.00317.49
8.1.10.0000.00717.39
8.1.00.0000.00717.27
8.0.300.0050.00318.77
8.0.290.0070.00017.05
8.0.280.0000.00718.31
8.0.270.0000.00717.10
8.0.260.0060.00016.75
8.0.250.0030.00316.78
8.0.240.0030.00316.74
8.0.230.0040.00416.87
8.0.220.0030.00316.84
8.0.210.0030.00316.84
8.0.200.0020.00516.93
8.0.190.0040.00416.80
8.0.180.0000.00716.90
8.0.170.0000.00716.71
8.0.160.0030.00516.84
8.0.150.0030.00316.70
8.0.140.0030.00316.84
8.0.130.0000.00613.29
8.0.120.0040.00416.68
8.0.110.0030.00316.65
8.0.100.0040.00416.86
8.0.90.0040.00416.84
8.0.80.0090.00616.83
8.0.70.0000.00716.75
8.0.60.0070.00016.76
8.0.50.0040.00416.70
8.0.30.0110.00817.07
8.0.20.0170.00517.40
8.0.10.0080.00016.84
8.0.00.0170.00316.58
7.4.330.0050.00015.00
7.4.320.0000.00616.46
7.4.300.0030.00316.49
7.4.290.0000.00716.46
7.4.280.0000.00816.48
7.4.270.0030.00616.49
7.4.260.0030.00716.37
7.4.250.0040.00416.50
7.4.240.0000.00816.39
7.4.230.0050.00216.37
7.4.220.0130.01316.47
7.4.210.0030.01116.53
7.4.200.0020.00516.54
7.4.190.0030.00316.54
7.4.160.0060.00916.63
7.4.150.0040.01417.40
7.4.140.0150.00617.86
7.4.130.0070.01016.36
7.4.120.0060.01116.54
7.4.110.0100.00716.56
7.4.100.0120.00616.32
7.4.90.0090.01516.40
7.4.80.0120.00919.39
7.4.70.0060.01216.31
7.4.60.0030.01316.38
7.4.50.0080.00016.57
7.4.40.0070.01022.77
7.4.30.0130.00716.43
7.4.00.0070.01114.95
7.3.330.0000.00513.38
7.3.320.0000.00513.32
7.3.310.0000.00716.40
7.3.300.0040.00416.36
7.3.290.0060.00916.34
7.3.280.0090.01116.36
7.3.270.0040.01317.40
7.3.260.0090.01616.48
7.3.250.0090.00816.48
7.3.240.0130.00316.59
7.3.230.0190.00416.39
7.3.210.0100.00616.31
7.3.200.0130.00319.39
7.3.190.0090.00916.39
7.3.180.0090.00916.46
7.3.170.0160.00016.39
7.3.160.0160.00016.67
7.3.120.0040.00814.94
7.2.330.0030.01416.55
7.2.320.0080.01116.51
7.2.310.0140.00416.59
7.2.300.0060.01816.86
7.2.290.0070.01016.61
7.2.60.0040.01116.88
7.2.50.0140.00317.02
7.2.00.0040.01119.58
7.1.200.0070.00715.80
7.1.100.0030.00618.06
7.1.70.0000.01017.09
7.1.60.0140.01019.82
7.1.50.0160.00316.93
7.1.00.0030.07322.40
7.0.200.0050.00316.96
7.0.140.0030.07321.96
7.0.60.0000.06319.87
7.0.50.0200.07317.93
7.0.40.0070.04320.18
7.0.30.0170.04320.22
7.0.20.0270.07320.05
7.0.10.0070.07720.18
7.0.00.0100.08320.10
5.6.280.0030.07320.91
5.6.210.0100.08020.53
5.6.200.0070.07718.19
5.6.190.0130.07320.49
5.6.180.0470.07020.57
5.6.170.0300.06020.55
5.6.160.0000.08720.43
5.6.150.0030.05718.29
5.6.140.0070.07318.19
5.6.130.0100.07018.20
5.6.120.0000.04321.01
5.6.110.0070.06321.13
5.6.100.0070.03720.89
5.6.90.0130.06320.96
5.6.80.0170.07020.39
5.5.350.0330.05720.39
5.5.340.0000.05018.08
5.5.330.0100.03720.43
5.5.320.0070.04720.34
5.5.310.0170.08020.32
5.5.300.0100.07317.95
5.5.290.0030.04017.96
5.5.280.0030.08020.90
5.5.270.0070.04020.84
5.5.260.0000.04720.88
5.5.250.0100.07720.72
5.5.240.0070.07020.32
5.4.450.0300.06019.41
5.4.440.0330.04719.46
5.4.430.0300.03719.21
5.4.420.0130.05319.52
5.4.410.0030.06319.30
5.4.400.1470.00018.75
5.4.390.1430.00018.75
5.4.380.0200.05718.80
5.4.370.1030.05018.75
5.4.360.0900.05318.61
5.4.350.0970.05718.70
5.4.340.0900.05718.51
5.4.320.0040.03712.51
5.4.310.0060.04412.50
5.4.300.0020.04012.50
5.4.290.0100.03712.50
5.4.280.0080.03212.39
5.4.270.0030.03812.40
5.4.260.0230.05018.84
5.4.250.0130.06718.84
5.4.240.0070.06719.03
5.4.230.0070.05318.80
5.4.220.0030.07319.00
5.4.210.0070.05718.96
5.4.200.0100.05018.77
5.4.190.0100.05018.79
5.4.180.0100.05018.76
5.4.170.0130.04718.95
5.4.160.0030.07319.07
5.4.150.0000.06318.95
5.4.140.0030.05316.59
5.4.130.0100.04716.40
5.4.120.0100.06016.59
5.4.110.0130.04716.57
5.4.100.0130.05016.57
5.4.90.0100.04316.54
5.4.80.0170.05716.61
5.4.70.0030.05316.53
5.4.60.0130.04716.48
5.4.50.0070.05016.39
5.4.40.0030.05016.52
5.4.30.0030.05316.46
5.4.20.0000.05716.37
5.4.10.0070.05016.32
5.4.00.0100.06715.79
5.3.290.0040.04212.80
5.3.280.0070.05014.70
5.3.270.0130.04714.68
5.3.260.0030.05314.79
5.3.250.0030.05314.79
5.3.240.0030.05314.59
5.3.230.0070.05014.59
5.3.220.0070.05314.55
5.3.210.0100.04714.63
5.3.200.0170.04314.65
5.3.190.0030.05714.79
5.3.180.0070.05014.55
5.3.170.0130.04014.56
5.3.160.0130.05014.47
5.3.150.0070.05014.74
5.3.140.0100.04714.56
5.3.130.0130.05014.71
5.3.120.0030.05714.64
5.3.110.0170.04314.57
5.3.100.0070.05714.10
5.3.90.0070.04714.21
5.3.80.0100.06714.19
5.3.70.0030.05314.20

preferences:
54.19 ms | 401 KiB | 5 Q