3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($s) { return strrev(strtoupper(trim($s))); } function bar($s) { $s = trim($s); $s = strtoupper($s); $s = strrev($s); return $s; } $x = " Hello! "; var_dump(foo($x)); var_dump(bar($x));

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)
8.3.60.0160.00316.75
8.3.50.0110.00921.09
8.3.40.0110.01118.67
8.3.30.0040.01119.01
8.3.20.0080.00020.22
8.3.10.0000.00823.49
8.3.00.0070.01119.13
8.2.180.0090.00916.63
8.2.170.0040.01122.96
8.2.160.0100.00320.52
8.2.150.0070.00724.18
8.2.140.0070.00024.66
8.2.130.0110.00726.16
8.2.120.0100.01022.30
8.2.110.0000.01022.11
8.2.100.0090.00317.75
8.2.90.0040.00419.22
8.2.80.0000.01017.97
8.2.70.0000.00817.50
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0030.00519.78
8.2.30.0040.00419.78
8.2.20.0030.00517.52
8.2.10.0040.00417.98
8.2.00.0100.00017.66
8.1.280.0140.00725.92
8.1.270.0040.00424.01
8.1.260.0060.00926.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0110.00019.15
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00817.22
8.1.190.0000.00717.53
8.1.180.0060.00318.10
8.1.170.0040.00418.50
8.1.160.0000.00821.82
8.1.150.0050.00318.57
8.1.140.0030.00517.39
8.1.130.0000.00717.86
8.1.120.0000.00717.40
8.1.110.0050.00317.38
8.1.100.0040.00417.27
8.1.90.0000.00817.28
8.1.80.0000.00717.31
8.1.70.0000.00717.26
8.1.60.0080.00017.51
8.1.50.0030.00517.53
8.1.40.0000.00817.48
8.1.30.0030.00617.50
8.1.20.0050.00317.61
8.1.10.0040.00417.39
8.1.00.0000.00717.37
8.0.300.0080.00019.21
8.0.290.0040.00417.18
8.0.280.0070.00018.37
8.0.270.0070.00017.11
8.0.260.0000.00617.13
8.0.250.0000.00716.88
8.0.240.0030.00316.90
8.0.230.0070.00316.87
8.0.220.0030.00316.71
8.0.210.0070.00016.79
8.0.200.0080.00016.81
8.0.190.0000.00816.87
8.0.180.0030.00416.88
8.0.170.0040.00416.83
8.0.160.0000.00716.86
8.0.150.0050.00216.76
8.0.140.0000.00716.75
8.0.130.0060.00013.13
8.0.120.0030.00616.84
8.0.110.0040.00416.82
8.0.100.0070.00016.69
8.0.90.0000.00716.88
8.0.80.0090.00616.88
8.0.70.0000.00716.78
8.0.60.0050.00316.85
8.0.50.0040.00416.64
8.0.30.0090.01016.99
8.0.20.0080.01017.40
8.0.10.0000.00716.98
8.0.00.0100.00916.71
7.4.330.0020.00215.00
7.4.320.0000.00616.51
7.4.300.0030.00316.61
7.4.290.0040.00416.50
7.4.280.0040.00416.45
7.4.270.0030.00416.59
7.4.260.0000.00716.57
7.4.250.0050.00316.46
7.4.240.0050.00216.42
7.4.230.0040.00416.66
7.4.220.0070.01116.70
7.4.210.0100.00716.60
7.4.200.0040.00416.61
7.4.190.0030.00516.75
7.4.160.0030.01916.59
7.4.150.0030.01417.40
7.4.140.0100.00817.86
7.4.130.0040.01316.63
7.4.120.0080.00816.30
7.4.110.0100.01416.30
7.4.100.0110.00616.42
7.4.90.0030.01316.45
7.4.80.0080.00819.39
7.4.70.0100.01316.45
7.4.60.0030.01216.50
7.4.50.0000.00716.38
7.4.40.0030.01022.77
7.4.30.0150.00816.46
7.4.00.0070.00714.87
7.3.330.0050.00013.05
7.3.320.0030.00313.15
7.3.310.0000.00716.21
7.3.300.0000.00616.19
7.3.290.0070.00716.23
7.3.280.0070.01016.22
7.3.270.0130.00317.40
7.3.260.0060.01116.36
7.3.250.0100.00816.29
7.3.240.0070.01616.53
7.3.230.0060.01016.39
7.3.210.0070.01016.43
7.3.200.0130.00919.39
7.3.190.0200.00316.57
7.3.180.0120.00916.20
7.3.170.0130.00316.27
7.3.160.0030.01316.14
7.3.120.0120.00514.93
7.3.10.0060.00616.51
7.3.00.0060.00616.36
7.2.330.0070.01016.48
7.2.320.0100.00616.74
7.2.310.0090.01416.66
7.2.300.0100.00616.69
7.2.290.0130.00616.41
7.2.130.0080.00516.83
7.2.120.0030.01316.94
7.2.110.0100.00717.02
7.2.100.0030.01016.86
7.2.90.0040.00716.82
7.2.80.0090.00616.69
7.2.70.0090.00616.71
7.2.60.0070.00316.80
7.2.50.0070.01116.90
7.2.40.0090.00616.89
7.2.30.0060.00316.86
7.2.20.0100.00316.88
7.2.10.0040.01116.52
7.2.00.0070.01117.00
7.1.250.0070.01015.85
7.1.70.0110.00316.79
7.1.60.0100.00317.34
7.1.50.0170.00716.56
7.1.00.0100.07022.41
7.0.200.0100.00616.35
7.0.140.0070.07022.09
7.0.60.0130.08020.03
7.0.50.0100.04717.89
7.0.40.0170.07020.09
7.0.30.0470.03720.08
7.0.20.0170.04720.12
7.0.10.0070.07020.30
7.0.00.0070.04020.20
5.6.280.0070.07021.16
5.6.210.0070.05020.73
5.6.200.0070.08318.29
5.6.190.0070.04320.50
5.6.180.0200.08320.46
5.6.170.0270.06720.57
5.6.160.0070.09020.71
5.6.150.0070.08318.28
5.6.140.0100.08318.19
5.6.130.0070.08718.11
5.6.120.0100.03721.06
5.6.110.0030.09320.98
5.6.100.0070.08321.02
5.6.90.0030.04721.13
5.6.80.0100.07720.41
5.6.70.4400.04320.40
5.5.350.0230.08020.38
5.5.340.0070.04018.07
5.5.330.0070.05320.18
5.5.320.0030.07020.37
5.5.310.0270.07320.38
5.5.300.0070.08017.96
5.5.290.0070.06317.98
5.5.280.0070.04720.90
5.5.270.0070.04320.73
5.5.260.0000.09020.97
5.5.250.0030.04020.61
5.5.240.0270.06720.27
5.4.450.0970.06019.47
5.4.440.0600.05719.57
5.4.430.0500.05019.54
5.4.420.0430.04319.38
5.4.410.0670.05019.04
5.4.400.0100.05719.11
5.4.390.0600.05718.84
5.4.380.0300.05018.61
5.4.370.0170.04318.78
5.4.360.0170.06018.80
5.4.350.0300.05018.74
5.4.340.0330.05718.47
5.4.320.0050.03812.50
5.4.310.0050.04612.50
5.4.300.0100.04712.50
5.4.290.0080.03612.48
5.4.280.0090.03412.38
5.4.270.0070.03512.38
5.4.260.0050.03912.39
5.4.250.0080.03612.38
5.4.240.0070.03712.39
5.4.230.0050.04012.38
5.4.220.0040.03812.37
5.4.210.0070.03412.38
5.4.200.0110.04212.37
5.4.190.0050.04512.37
5.4.180.0080.03912.37
5.4.170.0070.03812.38
5.4.160.0080.04512.38
5.4.150.0040.04512.37
5.4.140.0040.04112.06
5.4.130.0060.03812.04
5.4.120.0060.03712.00
5.4.110.0070.03611.99
5.4.100.0070.03612.00
5.4.90.0030.04012.00
5.4.80.0040.03912.00
5.4.70.0040.05311.99
5.4.60.0130.05011.99
5.4.50.0120.04011.99
5.4.40.0120.04511.98
5.4.30.0100.04311.98
5.4.20.0110.05111.98
5.4.10.0100.03811.98
5.4.00.0110.03911.46
5.3.290.0060.04012.80
5.3.280.0080.05512.71
5.3.270.0120.05312.73
5.3.260.0090.03912.71
5.3.250.0060.03912.72
5.3.240.0120.04912.72
5.3.230.0080.04512.70
5.3.220.0060.03712.68
5.3.210.0090.03712.68
5.3.200.0090.04012.68
5.3.190.0060.03912.68
5.3.180.0070.04012.68
5.3.170.0070.03812.67
5.3.160.0050.04112.68
5.3.150.0090.03712.68
5.3.140.0070.03612.66
5.3.130.0080.03812.66
5.3.120.0040.04112.66
5.3.110.0070.03912.66
5.3.100.0050.03712.12
5.3.90.0070.03512.10
5.3.80.0050.03812.09
5.3.70.0040.03912.10
5.3.60.0040.03812.08
5.3.50.0080.03412.03
5.3.40.0070.04012.03
5.3.30.0120.04511.98
5.3.20.0060.04911.77
5.3.10.0090.03611.73
5.3.00.0060.03711.72
5.2.170.0020.0349.22
5.2.160.0080.0289.23
5.2.150.0080.0299.22
5.2.140.0050.0319.22
5.2.130.0040.0309.18
5.2.120.0040.0309.18
5.2.110.0070.0299.19
5.2.100.0070.0299.18
5.2.90.0080.0299.18
5.2.80.0050.0339.17
5.2.70.0080.0309.17
5.2.60.0070.0309.13
5.2.50.0040.0329.10
5.2.40.0050.0329.08
5.2.30.0080.0379.05
5.2.20.0060.0299.04
5.2.10.0110.0518.95
5.2.00.0150.0458.81
5.1.60.0090.0308.09
5.1.50.0080.0348.09
5.1.40.0080.0228.07
5.1.30.0060.0348.42
5.1.20.0110.0338.44
5.1.10.0080.0278.17
5.1.00.0040.0278.16
5.0.50.0040.0216.64
5.0.40.0050.0196.50
5.0.30.0060.0326.32
5.0.20.0060.0246.28
5.0.10.0110.0396.26
5.0.00.0050.0346.25
4.4.90.0050.0234.78
4.4.80.0090.0324.76
4.4.70.0060.0214.76
4.4.60.0030.0224.76
4.4.50.0040.0224.77
4.4.40.0030.0274.71
4.4.30.0030.0224.76
4.4.20.0040.0214.85
4.4.10.0070.0204.85
4.4.00.0080.0274.76
4.3.110.0050.0164.67
4.3.100.0020.0164.67
4.3.90.0030.0144.63
4.3.80.0030.0284.58
4.3.70.0050.0184.63
4.3.60.0060.0254.63
4.3.50.0050.0204.63
4.3.40.0040.0234.54
4.3.30.0030.0153.31
4.3.20.0020.0163.29
4.3.10.0010.0173.25
4.3.00.0170.01310.54

preferences:
59.21 ms | 401 KiB | 5 Q