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 array(); } return $arr[0] + sum(array_shift($arr)); } $a = array(5,4,7,8,9,3); echo sum($a); 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)
8.3.60.0150.00618.56
8.3.50.0110.01021.98
8.3.40.0090.00618.84
8.3.30.0000.01419.10
8.3.20.0030.00520.29
8.3.10.0180.00719.43
8.3.00.0070.00022.38
8.2.180.0120.00618.42
8.2.170.0030.01722.96
8.2.160.0070.00719.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00619.24
8.2.110.0070.00321.09
8.2.100.0040.00818.11
8.2.90.0040.00419.08
8.2.80.0030.00517.97
8.2.70.0090.00017.38
8.2.60.0030.00717.80
8.2.50.0040.00418.10
8.2.40.0040.00420.59
8.2.30.0040.00419.00
8.2.20.0040.00417.54
8.2.10.0040.00417.55
8.2.00.0040.00417.51
8.1.280.0110.00425.92
8.1.270.0050.00322.10
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0040.00720.29
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0000.00718.66
8.1.150.0030.00519.99
8.1.140.0050.00517.32
8.1.130.0000.00717.72
8.1.120.0000.00817.21
8.1.110.0040.00417.36
8.1.100.0000.00717.39
8.1.90.0000.00817.35
8.1.80.0000.00817.31
8.1.70.0040.00417.22
8.1.60.0000.00817.45
8.1.50.0040.00417.44
8.1.40.0000.00817.43
8.1.30.0040.00417.46
8.1.20.0050.00317.51
8.1.10.0080.00017.29
8.1.00.0000.00717.17
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0070.00018.31
8.0.270.0080.00017.03
8.0.260.0040.00416.77
8.0.250.0000.00716.85
8.0.240.0040.00416.88
8.0.230.0030.00316.80
8.0.220.0050.00216.82
8.0.210.0030.00316.71
8.0.200.0000.00616.93
8.0.190.0030.00316.76
8.0.180.0040.00416.70
8.0.170.0040.00416.73
8.0.160.0040.00416.72
8.0.150.0000.00716.77
8.0.140.0080.00016.77
8.0.130.0000.00613.30
8.0.120.0040.00416.80
8.0.110.0040.00416.79
8.0.100.0030.00616.84
8.0.90.0050.00216.74
8.0.80.0110.00416.82
8.0.70.0020.00516.71
8.0.60.0030.00316.85
8.0.50.0000.00716.90
8.0.30.0050.01316.86
8.0.20.0090.01117.40
8.0.10.0050.00216.81
8.0.00.0110.01116.68
7.4.330.0050.00015.00
7.4.320.0070.00016.59
7.4.300.0030.00316.64
7.4.290.0040.00416.46
7.4.280.0040.00416.45
7.4.270.0000.00816.44
7.4.260.0040.00416.57
7.4.250.0040.00416.48
7.4.240.0000.00716.55
7.4.230.0000.00716.63
7.4.220.0100.01616.58
7.4.210.0100.00816.52
7.4.200.0070.00016.51
7.4.190.0000.00716.54
7.4.160.0060.00916.48
7.4.150.0040.01417.40
7.4.140.0090.01017.86
7.4.130.0060.01116.64
7.4.120.0140.00316.46
7.4.110.0140.00416.55
7.4.100.0150.00916.46
7.4.90.0150.00916.48
7.4.80.0080.00819.39
7.4.70.0100.01316.60
7.4.60.0120.00416.48
7.4.50.0030.00616.42
7.4.40.0030.01322.77
7.4.30.0060.01216.41
7.4.00.0090.00914.75
7.3.330.0060.00013.36
7.3.320.0000.00513.22
7.3.310.0000.00716.21
7.3.300.0000.00616.37
7.3.290.0130.00316.28
7.3.280.0110.00516.32
7.3.270.0100.01417.40
7.3.260.0110.00716.35
7.3.250.0090.01116.42
7.3.240.0060.01016.28
7.3.230.0130.01016.39
7.3.210.0160.00316.49
7.3.200.0090.01319.39
7.3.190.0110.00716.52
7.3.180.0060.01616.41
7.3.170.0100.00616.48
7.3.160.0060.00916.59
7.3.120.0100.00714.93
7.3.10.0100.00316.30
7.3.00.0100.01015.98
7.2.330.0100.00816.69
7.2.320.0090.01016.71
7.2.310.0100.00716.40
7.2.300.0070.01116.64
7.2.290.0120.00616.95
7.2.130.0160.00316.55
7.2.120.0100.01016.40
7.2.110.0180.00716.53
7.2.100.0090.01316.29
7.2.90.0040.01616.52
7.2.80.0070.01416.56
7.2.70.0150.00516.80
7.2.60.0110.00416.90
7.2.50.0090.00916.42
7.2.40.0130.00316.69
7.2.30.0150.00717.08
7.2.20.0070.00716.78
7.2.10.0100.00716.66
7.2.00.0050.01018.19
7.1.250.0170.00015.58
7.1.200.0070.01115.64
7.1.70.0040.00417.18
7.1.60.0130.00817.22
7.1.50.0030.02116.70
7.1.00.0070.07322.42
7.0.200.0060.00916.67
7.0.140.0070.07321.99
7.0.60.0070.08320.00
7.0.50.0030.09017.89
7.0.40.0030.06320.13
7.0.30.0470.07720.36
7.0.20.0330.04020.13
7.0.10.0130.04720.24
7.0.00.0000.09020.35
5.6.280.0070.07020.83
5.6.210.0130.07320.61
5.6.200.0130.08018.19
5.6.190.0100.04320.57
5.6.180.0330.07020.62
5.6.170.0230.07720.51
5.6.160.0030.09020.52
5.6.150.0070.06318.21
5.6.140.0130.07318.20
5.6.130.0070.07318.15
5.6.120.0070.05021.01
5.6.110.0030.04321.05
5.6.100.0170.07020.98
5.6.90.0130.08320.98
5.6.80.0000.05320.41
5.6.70.0230.06020.39
5.5.350.0330.06720.33
5.5.340.0030.08017.92
5.5.330.0170.07720.53
5.5.320.0230.03720.44
5.5.310.0330.06020.30
5.5.300.0070.05017.92
5.5.290.0030.04017.95
5.5.280.0030.04320.77
5.5.270.0070.04320.76
5.5.260.0100.08020.95
5.5.250.0130.07320.69
5.5.240.0100.04020.24
5.4.450.0630.05719.39
5.4.440.0400.07019.55
5.4.430.0530.05019.43
5.4.420.0630.00019.52
5.4.410.0630.00019.29
5.4.400.0330.04718.87
5.4.390.0370.05018.79
5.4.380.0330.04318.47
5.4.370.0800.05018.84
5.4.360.0770.05018.69
5.4.350.0970.05318.58
5.4.340.0930.03718.47
5.4.320.0030.03912.50
5.4.310.0060.04512.50
5.4.300.0040.03812.51
5.4.290.0050.03812.50
5.4.280.0070.03412.40
5.4.270.0060.03612.40
5.4.260.0030.05318.75
5.4.250.0030.05318.80
5.4.240.0030.06019.00
5.4.230.0130.04718.79
5.4.220.0070.08018.75
5.4.210.0130.04718.90
5.4.200.0070.07719.09
5.4.190.0130.07318.95
5.4.180.0000.06019.09
5.4.170.0100.05718.96
5.4.160.0130.05319.01
5.4.150.0130.07019.04
5.4.140.0100.04716.55
5.4.130.0130.04316.39
5.4.120.0030.07316.56
5.4.110.0070.05316.54
5.4.100.0100.04716.59
5.4.90.0100.04316.61
5.4.80.0030.05316.44
5.4.70.0070.05016.66
5.4.60.0100.07016.49
5.4.50.0000.05316.54
5.4.40.0070.04716.52
5.4.30.0070.05016.49
5.4.20.0170.04016.35
5.4.10.0030.05016.49
5.4.00.0100.05715.72
5.3.290.0080.04012.80
5.3.280.0130.04314.68
5.3.270.0070.07714.79
5.3.260.0100.05314.69
5.3.250.0130.06014.66
5.3.240.0070.05014.82
5.3.230.0130.04314.61
5.3.220.0070.05314.66
5.3.210.0170.06314.54
5.3.200.0100.05314.75
5.3.190.0130.05014.65
5.3.180.0070.05014.74
5.3.170.0030.05314.63
5.3.160.0030.05314.63
5.3.150.0030.05714.73
5.3.140.0130.04014.47
5.3.130.0070.05314.72
5.3.120.0070.05014.54
5.3.110.0100.05014.72
5.3.100.0100.05314.20
5.3.90.0000.05714.20
5.3.80.0100.04314.18
5.3.70.0030.05014.11
5.3.60.0070.05714.02
5.3.50.0130.04314.03
5.3.40.0070.05314.04
5.3.30.0070.07013.90
5.3.20.0030.05013.79
5.3.10.0030.07313.73
5.3.00.0000.05713.74
5.2.170.0070.04011.22
5.2.160.0070.04011.14
5.2.150.0030.05311.14
5.2.140.0030.04311.33
5.2.130.0030.04711.20
5.2.120.0100.04311.11
5.2.110.0070.04011.06
5.2.100.0100.05311.18
5.2.90.0100.03711.11
5.2.80.0100.05711.26
5.2.70.0100.05711.05
5.2.60.0070.04010.96
5.2.50.0070.03711.03
5.2.40.0130.04711.07
5.2.30.0100.05011.06
5.2.20.0130.03011.02
5.2.10.0100.03310.86
5.2.00.0070.03710.71
5.1.60.0030.03310.24
5.1.50.0000.04010.10
5.1.40.0000.0409.82
5.1.30.0100.03010.40
5.1.20.0030.03710.27
5.1.10.0030.05010.04
5.1.00.0170.02310.04
5.0.50.0070.0308.55
5.0.40.0000.0308.48
5.0.30.0030.0578.20
5.0.20.0070.0238.24
5.0.10.0000.0308.17
5.0.00.0130.0378.26
4.4.90.0030.0306.71
4.4.80.0070.0176.71
4.4.70.0070.0176.71
4.4.60.0100.0236.71
4.4.50.0000.0236.71
4.4.40.0000.0376.71
4.4.30.0000.0276.71
4.4.20.0000.0236.71
4.4.10.0000.0236.71
4.4.00.0100.0276.71
4.3.110.0070.0176.71
4.3.100.0070.0236.71
4.3.90.0070.0176.71
4.3.80.0000.0336.71
4.3.70.0000.0206.71
4.3.60.0070.0176.71
4.3.50.0070.0176.71
4.3.40.0030.0306.71
4.3.30.0070.0176.71
4.3.20.0030.0276.71
4.3.10.0000.0276.71
4.3.00.0000.0236.96

preferences:
55.75 ms | 401 KiB | 5 Q