3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "YUc5c1lXMTFibVJ2"; $charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; for($j = 0; $j < 20; $j++) { //for($i = 0; $i < 63; $i++) //{ $out = ""; for($k = 0; $k < strlen($str); $k++) $out .= $charset[(strpos($charset, $str[$k]+31))%strlen($charset)]; echo sprintf("%s\n", $out); //} $charset = str_shuffle($charset); }

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)
7.3.10.0060.00616.48
7.3.00.0140.00016.18
7.2.130.0000.01416.78
7.2.120.0090.00916.67
7.2.110.0080.00416.71
7.2.100.0030.01716.95
7.2.90.0120.00816.85
7.2.80.0080.01016.76
7.2.70.0090.00716.68
7.2.60.0030.00916.70
7.2.50.0040.00816.85
7.2.40.0110.00416.68
7.2.30.0030.00917.09
7.2.20.0060.00316.79
7.2.10.0070.00716.75
7.2.00.0030.00918.17
7.1.250.0060.00315.84
7.1.100.0100.00318.03
7.1.70.0030.00617.17
7.1.60.0110.01419.59
7.1.50.0090.01516.73
7.1.00.0000.08022.51
7.0.200.0090.00616.85
7.0.120.0000.07722.09
7.0.110.0070.07321.99
7.0.100.0070.06322.09
7.0.90.0000.08022.14
7.0.80.0030.07022.16
7.0.70.0000.07722.04
7.0.60.0070.07021.96
7.0.50.0030.07322.16
7.0.40.0070.06722.14
7.0.30.0070.06322.16
7.0.20.0070.07022.09
7.0.10.0100.06322.02
7.0.00.0030.07022.06
5.6.280.0000.07721.07
5.6.260.0070.07021.08
5.6.250.0030.07321.11
5.6.240.0070.07321.03
5.6.230.0030.07720.82
5.6.220.0000.07021.06
5.6.210.0030.07020.94
5.6.200.0070.07321.00
5.6.190.0070.06721.05
5.6.180.0030.07320.94
5.6.170.0070.07020.92
5.6.160.0030.07320.79
5.6.150.0000.07321.04
5.6.140.0000.08020.79
5.6.130.0000.07320.82
5.6.120.0100.06721.05
5.6.110.0100.07020.83
5.6.100.0030.07320.81
5.6.90.0070.06020.98
5.6.80.0030.06320.43
5.6.70.0100.06020.38
5.6.60.0070.07020.44
5.6.50.0030.07020.29
5.6.40.0070.05720.29
5.6.30.0030.07320.15
5.6.20.0000.07720.34
5.6.10.0070.06720.27
5.6.00.0100.06320.13
5.5.380.0100.06717.46
5.5.370.0000.07317.52
5.5.360.0030.07017.51
5.5.350.0030.07017.54
5.5.340.0000.06317.85
5.5.330.0030.07017.86
5.5.320.0030.07017.86
5.5.310.0070.06717.90
5.5.300.0070.06718.11
5.5.290.0100.06318.09
5.5.280.0070.06318.15
5.5.270.0000.08018.08
5.5.260.0030.07718.08
5.5.250.0030.06017.79
5.5.240.0100.06017.48
5.5.230.0000.06017.22
5.5.220.0030.07017.49
5.5.210.0030.05717.24
5.5.200.0030.06717.38
5.5.190.0000.07317.45
5.5.180.0000.07317.51
5.5.160.0030.06717.19
5.5.150.0000.06717.11
5.5.140.0030.07017.19
5.5.130.0070.06317.25
5.5.120.0100.06017.21
5.5.110.0030.07017.46
5.5.100.0000.07017.42
5.5.90.0030.06717.09
5.5.80.0070.06317.34
5.5.70.0000.06317.39
5.5.60.0130.05717.33
5.5.50.0000.07017.33
5.5.40.0030.06717.26
5.5.30.0070.06317.39
5.5.20.0000.07317.08
5.5.10.0030.07017.00
5.5.00.0030.07017.39
5.4.450.0030.06719.44
5.4.440.0100.06719.56
5.4.430.0130.05719.49
5.4.420.0070.05719.39
5.4.410.0000.07319.13
5.4.400.0030.06718.96
5.4.390.0000.07318.99
5.4.380.0030.06019.07
5.4.370.0070.05319.11
5.4.360.0030.06718.92
5.4.350.0000.06318.92
5.4.340.0030.07019.12
5.4.320.0030.07319.26
5.4.310.0030.06018.99
5.4.300.0070.06019.10
5.4.290.0100.06019.08
5.4.280.0000.07319.26
5.4.270.0070.06718.94
5.4.260.0070.06319.02
5.4.250.0030.06718.94
5.4.240.0000.07019.06
5.4.230.0000.07018.99
5.4.220.0000.07019.01
5.4.210.0100.06018.98
5.4.200.0030.07019.25
5.4.190.0000.07019.00
5.4.180.0030.06719.22
5.4.170.0070.06719.14
5.4.160.0030.06719.05
5.4.150.0000.07319.00
5.4.140.0000.07016.46
5.4.130.0000.06716.33
5.4.120.0030.06716.46
5.4.110.0000.07016.52
5.4.100.0030.06316.37
5.4.90.0000.06716.27
5.4.80.0000.06716.26
5.4.70.0000.06716.35
5.4.60.0000.06316.46
5.4.50.0000.06716.36
5.4.40.0000.06716.54
5.4.30.0030.06316.31
5.4.20.0030.06316.32
5.4.10.0030.06716.51
5.4.00.0030.06315.70
5.3.290.0030.06714.55
5.3.280.0030.06714.48
5.3.270.0030.07014.54
5.3.260.0030.07014.51
5.3.250.0070.05714.66
5.3.240.0000.07014.70
5.3.230.0000.07014.65
5.3.220.0000.07014.57
5.3.210.0030.07014.42
5.3.200.0000.07014.34
5.3.190.0070.06314.48
5.3.180.0030.06314.62
5.3.170.0000.07014.39
5.3.160.0030.06314.50
5.3.150.0070.06314.40
5.3.140.0000.06314.61
5.3.130.0070.06714.48
5.3.120.0070.06714.48
5.3.110.0030.07014.42
5.3.100.0000.06013.88
5.3.90.0100.05014.09
5.3.80.0000.07014.11
5.3.70.0030.06313.86
5.3.60.0030.06013.93
5.3.50.0000.07013.82
5.3.40.0000.06713.78
5.3.30.0070.05713.84
5.3.20.0070.06013.58
5.3.10.0030.06313.57
5.3.00.0030.06313.53
5.2.170.0000.06011.87
5.2.160.0000.05711.87
5.2.150.0030.05711.87
5.2.140.0000.06011.87
5.2.130.0000.05711.87
5.2.120.0030.05311.87
5.2.110.0070.05011.87
5.2.100.0030.05311.87
5.2.90.0000.05711.87
5.2.80.0070.05311.87
5.2.70.0030.05311.87
5.2.60.0030.05711.87
5.2.50.0030.05311.87
5.2.40.0030.05311.87
5.2.30.0030.05311.87
5.2.20.0000.05711.87
5.2.10.0000.05711.87
5.2.00.0000.05711.87
5.1.60.0000.04711.87
5.1.50.0000.04711.87
5.1.40.0030.04711.87
5.1.30.0030.05011.87
5.1.20.0070.04711.87
5.1.10.0070.04311.87
5.1.00.0000.05011.87
5.0.50.0030.04011.87
5.0.40.0070.03311.87
5.0.30.0000.05011.87
5.0.20.0030.03311.87
5.0.10.0030.04011.87
5.0.00.0000.06011.87
4.4.90.0030.02711.87
4.4.80.0030.03011.87
4.4.70.0000.03311.87
4.4.60.0000.03311.87
4.4.50.0030.03011.87
4.4.40.0030.04711.87
4.4.30.0000.03311.87
4.4.20.0000.03311.87
4.4.10.0000.03311.87
4.4.00.0000.04711.87
4.3.110.0000.03011.87
4.3.100.0030.02711.87
4.3.90.0030.02711.87
4.3.80.0030.04011.87
4.3.70.0030.04011.87
4.3.60.0070.02311.87
4.3.50.0030.03011.87
4.3.40.0030.04311.87
4.3.30.0000.03311.87
4.3.20.0030.02711.87
4.3.10.0000.03311.87
4.3.00.0000.03311.87

preferences:
38.11 ms | 403 KiB | 5 Q