3v4l.org

run code in 300+ PHP versions simultaneously
<?php function sum($arr) { if ( empty($arr) ) { return; } return $arr[0] + sum(array_slice($arr, 1)); } function rev($str) { if ( ! $str ) { return; } return rev(substr($str,1)) . $str{0}; } echo sum(array(1,2,3,4,5)); echo rev('hola mundo');

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)
8.3.60.0120.00318.27
8.3.50.0060.00821.98
8.3.40.0140.00018.54
8.3.30.0040.01118.98
8.3.20.0040.00420.16
8.3.10.0050.00322.12
8.3.00.0080.00022.39
8.2.180.0040.01116.63
8.2.170.0100.00322.96
8.2.160.0100.00719.13
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0050.00319.23
8.2.110.0070.00418.98
8.2.100.0040.00717.53
8.2.90.0000.00818.95
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0070.00018.16
8.2.30.0030.00617.91
8.2.20.0000.00717.48
8.2.10.0030.00517.58
8.2.00.0070.00017.48
8.1.280.0100.00325.92
8.1.270.0000.00922.19
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00621.14
8.1.230.0060.00617.45
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0030.00517.10
8.1.180.0040.00418.38
8.1.170.0040.00418.46
8.1.160.0000.00721.83
8.1.150.0060.00318.50
8.1.140.0040.00417.30
8.1.130.0030.00317.78
8.1.120.0050.00317.35
8.1.110.0060.00317.33
8.1.100.0000.00717.32
8.1.90.0070.00017.34
8.1.80.0050.00317.29
8.1.70.0000.00717.34
8.1.60.0040.00417.45
8.1.50.0000.00717.39
8.1.40.0000.00917.38
8.1.30.0050.00317.39
8.1.20.0040.00417.41
8.1.10.0030.00517.29
8.1.00.0040.00417.17
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0000.00818.37
8.0.270.0070.00017.05
8.0.260.0030.00516.78
8.0.250.0040.00316.86
8.0.240.0000.00716.82
8.0.230.0030.00316.87
8.0.220.0030.00316.78
8.0.210.0000.00716.81
8.0.200.0060.00016.86
8.0.190.0000.00816.85
8.0.180.0060.00316.85
8.0.170.0000.00716.74
8.0.160.0040.00416.76
8.0.150.0030.00916.67
8.0.140.0090.00016.75
8.0.130.0000.00513.25
8.0.120.0000.00916.82
8.0.110.0000.00716.72
8.0.100.0040.00416.85
8.0.90.0000.00716.69
8.0.80.0110.00416.82
8.0.70.0000.00716.79
8.0.60.0000.00716.77
8.0.50.0040.00416.68
8.0.30.0050.01316.99
8.0.20.0120.00817.40
8.0.10.0040.00417.01
8.0.00.0100.01016.64
7.4.330.0050.00015.01
7.4.320.0000.00616.57
7.4.300.0030.00316.44
7.4.290.0030.00316.45
7.4.280.0000.00716.30
7.4.270.0050.00216.55
7.4.260.0090.00016.50
7.4.250.0000.00816.40
7.4.240.0030.00416.50
7.4.230.0000.00716.61
7.4.220.0090.00916.54
7.4.210.0070.00916.49
7.4.200.0030.00316.56
7.4.190.0000.00716.60
7.4.160.0130.00316.64
7.4.150.0140.00317.40
7.4.140.0070.00917.86
7.4.130.0120.00916.55
7.4.120.0100.00616.52
7.4.110.0100.00616.32
7.4.100.0030.01316.38
7.4.90.0060.01116.32
7.4.80.0130.00719.39
7.4.70.0040.01316.57
7.4.60.0060.01116.45
7.4.50.0000.00816.53
7.4.40.0080.00622.77
7.4.30.0100.01016.43
7.4.00.0030.01415.08
7.3.330.0050.00013.37
7.3.320.0020.00213.30
7.3.310.0070.00016.12
7.3.300.0000.00616.17
7.3.290.0100.01016.28
7.3.280.0100.00916.28
7.3.270.0060.01217.40
7.3.260.0090.00916.32
7.3.250.0080.01116.49
7.3.240.0100.01316.42
7.3.230.0040.01316.56
7.3.210.0090.00916.22
7.3.200.0150.00019.39
7.3.190.0140.00716.48
7.3.180.0060.00916.30
7.3.170.0060.01116.27
7.3.160.0100.00616.45
7.3.120.0040.01214.83
7.3.110.0030.01314.88
7.3.100.0040.01214.98
7.3.90.0090.00614.90
7.3.80.0120.00614.91
7.3.70.0070.00714.64
7.3.60.0030.01014.65
7.3.50.0030.01014.55
7.3.40.0130.00614.86
7.3.30.0030.00714.79
7.3.20.0000.00916.70
7.3.10.0150.00016.61
7.3.00.0130.00016.45
7.2.330.0110.00716.62
7.2.320.0040.01516.78
7.2.310.0070.01516.94
7.2.300.0160.00616.81
7.2.290.0000.01716.81
7.2.250.0100.01015.17
7.2.240.0060.01315.37
7.2.230.0100.01014.91
7.2.220.0060.01315.20
7.2.210.0060.00815.00
7.2.200.0110.00715.07
7.2.190.0070.00715.06
7.2.180.0030.01415.07
7.2.170.0030.01614.74
7.2.00.0030.01019.51
7.1.330.0090.00915.65
7.1.320.0070.01015.73
7.1.310.0000.01815.63
7.1.300.0030.00615.88
7.1.290.0070.00715.64
7.1.280.0000.01015.89
7.1.270.0110.00015.72
7.1.260.0040.01115.91
7.1.100.0000.01118.00
7.1.70.0030.00517.07
7.1.60.0070.01519.82
7.1.50.0090.00916.96
7.1.00.0030.07722.37
7.0.200.0040.00416.81
7.0.140.0070.07021.95
7.0.60.0100.04019.96
7.0.50.0070.08017.73
7.0.40.0030.07320.35
7.0.30.0370.04320.07
7.0.20.0270.08020.10
7.0.10.0030.04320.15
7.0.00.0100.08020.15
5.6.280.0000.07721.07
5.6.210.0200.06720.68
5.6.200.0030.04318.19
5.6.190.0130.06720.58
5.6.180.0430.07320.46
5.6.170.0430.07320.53
5.6.160.0030.04020.47
5.6.150.0070.03718.12
5.6.140.0030.08018.18
5.6.130.0130.08018.13
5.6.120.0030.04021.10
5.6.110.0000.04721.00
5.6.100.0100.08020.86
5.6.90.0100.06020.99
5.6.80.0000.04020.38
5.5.350.0270.06720.43
5.5.340.0070.08317.94
5.5.330.0100.07320.27
5.5.320.0300.07320.36
5.5.310.0200.07720.32
5.5.300.0030.04017.98
5.5.290.0170.04018.06
5.5.280.0100.08020.77
5.5.270.0100.08720.78
5.5.260.0070.05720.64
5.5.250.0030.04020.69
5.5.240.0230.06020.20
5.4.450.0170.08019.64
5.4.440.0100.04319.42
5.4.430.0130.05319.39
5.4.420.0100.05719.52
5.4.410.0100.05719.57
5.4.400.1600.00018.62
5.4.390.1400.00018.61
5.4.380.0200.05718.76
5.4.370.0830.05318.49
5.4.360.1100.05318.73
5.4.350.0700.05318.79
5.4.340.0870.05018.76
5.4.320.0070.04212.51
5.4.310.0030.04012.50
5.4.300.0060.04512.50
5.4.290.0060.04012.50
5.4.280.0050.03912.40
5.4.270.0080.04012.40
5.4.260.0070.06318.84
5.4.250.0130.05718.96
5.4.240.0170.04318.80
5.4.230.0000.06018.84
5.4.220.0130.05018.84
5.4.210.0130.04718.79
5.4.200.0100.05319.02
5.4.190.0170.04319.09
5.4.180.0200.04018.93
5.4.170.0030.05718.66
5.4.160.0200.08319.00
5.4.150.0230.04318.69
5.4.140.0070.05316.60
5.4.130.0100.04316.36
5.4.120.0130.04316.40
5.4.110.0000.06016.44
5.4.100.0070.05316.57
5.4.90.0130.05316.43
5.4.80.0170.04316.45
5.4.70.0030.05016.59
5.4.60.0030.05716.38
5.4.50.0030.07716.36
5.4.40.0070.05316.58
5.4.30.0030.05716.52
5.4.20.0100.06316.51
5.4.10.0130.05716.36
5.4.00.0030.07315.75
5.3.290.0110.03812.80
5.3.280.0070.05014.50
5.3.270.0030.05314.60
5.3.260.0100.05314.63
5.3.250.0130.07014.65
5.3.240.0100.05314.61
5.3.230.0230.05314.83
5.3.220.0100.07314.80
5.3.210.0130.07314.56
5.3.200.0070.06014.48
5.3.190.0070.07314.73
5.3.180.0030.05314.75
5.3.170.0100.04714.73
5.3.160.0030.05314.47
5.3.150.0070.05314.56
5.3.140.0170.06714.39
5.3.130.0070.06014.71
5.3.120.0170.05014.64
5.3.110.0070.07314.57
5.3.100.0100.06013.95
5.3.90.0130.07014.09
5.3.80.0170.05313.86
5.3.70.0130.06314.09

preferences:
39.82 ms | 401 KiB | 5 Q