3v4l.org

run code in 300+ PHP versions simultaneously
<?php function MLencrypt($pass){ $hash = ''; for($i=0;$i<strlen($pass);$i++) $hash .= substr(md5($pass[$i]),($i%15),30); echo($hash); echo (' '); return md5($hash); } ${'MLencrypt'} = 'aaaa'; echo(MLencrypt('aaaa')); ?>

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)
8.3.60.0070.00716.88
8.3.50.0120.00717.29
8.3.40.0140.00718.83
8.3.30.0140.00018.88
8.3.20.0000.00818.69
8.3.10.0030.00520.61
8.3.00.0090.00019.38
8.2.180.0140.00018.40
8.2.170.0110.00418.99
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00719.36
8.2.110.0040.01420.96
8.2.100.0040.00817.91
8.2.90.0030.00620.88
8.2.80.0040.00417.93
8.2.70.0040.00417.50
8.2.60.0060.00618.05
8.2.50.0000.00918.07
8.2.40.0080.00018.21
8.2.30.0070.00418.23
8.2.20.0000.00717.65
8.2.10.0040.00417.67
8.2.00.0040.00417.74
8.1.280.0070.01025.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00722.60
8.1.230.0080.00420.99
8.1.220.0090.00017.74
8.1.210.0040.00418.91
8.1.200.0000.00917.35
8.1.190.0040.00417.50
8.1.180.0040.00418.10
8.1.170.0000.00818.77
8.1.160.0040.00418.82
8.1.150.0000.00718.49
8.1.140.0030.00617.40
8.1.130.0000.00717.74
8.1.120.0000.00717.41
8.1.110.0050.00317.25
8.1.100.0040.00417.36
8.1.90.0070.00017.30
8.1.80.0000.00817.29
8.1.70.0070.00017.31
8.1.60.0000.00817.61
8.1.50.0030.00617.46
8.1.40.0070.00017.53
8.1.30.0000.00817.71
8.1.20.0000.00817.63
8.1.10.0070.00017.60
8.1.00.0000.00817.45
8.0.300.0000.00720.03
8.0.290.0000.00716.58
8.0.280.0070.00018.49
8.0.270.0040.00417.26
8.0.260.0030.00316.75
8.0.250.0040.00416.97
8.0.240.0040.00416.84
8.0.230.0000.00716.84
8.0.220.0000.00716.86
8.0.210.0060.00016.93
8.0.200.0030.00316.97
8.0.190.0040.00417.01
8.0.180.0040.00416.92
8.0.170.0080.00016.82
8.0.160.0040.00416.92
8.0.150.0030.00616.69
8.0.140.0060.00316.79
8.0.130.0000.00513.37
8.0.120.0040.00416.87
8.0.110.0080.00016.95
8.0.100.0040.00416.76
8.0.90.0050.00216.90
8.0.80.0150.00616.83
8.0.70.0040.00416.96
8.0.60.0030.00516.91
8.0.50.0040.00416.84
8.0.30.0090.00917.10
8.0.20.0090.00916.99
8.0.10.0040.00416.95
8.0.00.0180.00016.78
7.4.330.0050.00012.95
7.4.320.0000.00916.36
7.4.300.0030.00316.48
7.4.290.0080.00016.64
7.4.280.0080.00016.50
7.4.270.0000.00616.58
7.4.260.0000.00513.17
7.4.250.0040.00416.48
7.4.240.0070.00016.54
7.4.230.0000.00716.54
7.4.220.0100.01016.64
7.4.210.0090.00716.57
7.4.200.0070.00016.36
7.4.190.0030.00316.73
7.4.160.0160.00716.56
7.4.150.0200.00316.46
7.4.140.0100.00716.54
7.4.130.0060.01016.46
7.4.120.0040.01416.57
7.4.110.0140.00516.49
7.4.100.0070.01016.46
7.4.90.0090.00916.45
7.4.80.0160.00619.39
7.4.70.0090.00916.43
7.4.60.0040.01616.55
7.4.50.0080.00016.22
7.4.40.0060.00616.68
7.4.30.0030.01216.29
7.4.00.0040.01115.18
7.3.330.0030.00313.38
7.3.320.0050.00013.31
7.3.310.0070.00016.47
7.3.300.0070.00016.36
7.3.290.0070.01016.38
7.3.280.0110.00816.36
7.3.270.0100.01016.36
7.3.260.0110.00416.41
7.3.250.0080.01216.63
7.3.240.0130.00316.63
7.3.230.0080.00816.49
7.3.210.0030.01316.59
7.3.200.0100.00716.29
7.3.190.0110.00716.42
7.3.180.0080.00816.52
7.3.170.0080.00816.43
7.3.160.0130.00316.49
7.3.120.0090.00614.98
7.2.330.0080.01116.68
7.2.320.0210.00316.42
7.2.310.0150.00616.66
7.2.300.0040.01216.75
7.2.290.0130.00316.53
7.2.00.0060.01219.16
7.1.200.0070.00715.75
7.1.100.0000.01318.20
7.1.70.0030.00717.24
7.1.60.0090.01519.40
7.1.50.0100.01017.07
7.1.00.0100.06722.36
7.0.200.0360.00014.48
7.0.140.0000.07322.09
7.0.120.0070.06322.04
7.0.60.0030.04319.93
7.0.50.0170.06317.95
7.0.40.0070.08720.11
7.0.30.0570.07020.20
7.0.20.0230.07020.09
7.0.10.0130.05020.12
7.0.00.0170.07720.33
5.6.280.0130.06321.10
5.6.210.0170.07020.75
5.6.200.0070.05718.18
5.6.190.0100.04020.52
5.6.180.0270.06020.63
5.6.170.0270.06320.40
5.6.160.0070.05720.50
5.6.150.0030.04718.17
5.6.140.0070.03718.14
5.6.130.0030.05018.27
5.6.120.0100.08021.08
5.6.110.0100.08020.96
5.6.100.0070.08721.01
5.6.90.0070.08321.13
5.6.80.0100.08320.38
5.6.70.4530.04020.57
5.5.350.0170.08020.38
5.5.340.0070.08318.00
5.5.330.0070.05320.14
5.5.320.0330.05720.38
5.5.310.0200.08020.32
5.5.300.0000.04318.02
5.5.290.0070.07717.98
5.5.280.0070.08720.90
5.5.270.0230.06720.79
5.5.260.0000.08320.87
5.5.250.0070.08020.68
5.5.240.3900.03020.34
5.4.450.0100.07019.18
5.4.440.0030.05319.57
5.4.430.0030.04319.48
5.4.420.0030.05319.47
5.4.410.0030.05019.20
5.4.400.0070.03718.86
5.4.390.0130.03018.88
5.4.380.0030.03719.21
5.4.370.0070.03719.24
5.4.360.0030.04719.24
5.4.350.0070.07719.24
5.4.340.0070.08019.25
5.4.320.0170.03719.08
5.4.310.0200.03318.85
5.4.300.0070.04719.20
5.4.290.0100.06718.85
5.4.280.0070.07719.16
5.4.270.0030.04018.85
5.4.260.0070.04718.85
5.4.250.0030.05019.20
5.4.240.0070.07719.23
5.4.230.0030.06318.86
5.4.220.0070.05019.14
5.4.210.0170.05019.14
5.4.200.0130.07319.14
5.4.190.0070.04319.14
5.4.180.0030.07019.13
5.4.170.0000.06318.84
5.4.160.0130.07018.96
5.4.150.0030.06018.83
5.4.140.0200.06016.38
5.4.130.0100.06316.49
5.4.120.0100.03016.40
5.4.110.0070.03316.53
5.4.100.0130.06716.30
5.4.90.0000.04716.30
5.4.80.0130.04716.26
5.4.70.0100.05016.65
5.4.60.0030.04716.28
5.4.50.0000.04316.31
5.4.40.0070.07016.42
5.4.30.0030.04716.30
5.4.20.0100.04716.27
5.4.10.0000.05016.27
5.4.00.0100.07015.70
5.3.290.0000.04714.73
5.3.280.0030.07314.59
5.3.270.0100.07014.76
5.3.260.0030.06314.60
5.3.250.0030.07714.63
5.3.240.0100.03714.68
5.3.230.0100.05314.59
5.3.220.0070.04714.57
5.3.210.0000.04714.48
5.3.200.0030.08014.57
5.3.190.0000.04714.56
5.3.180.0100.06014.61
5.3.170.0130.07014.56
5.3.160.0030.06314.61
5.3.150.0030.06714.59
5.3.140.0070.04714.55
5.3.130.0100.07014.60
5.3.120.0130.05014.59
5.3.110.0130.06314.61
5.3.100.0070.06013.92
5.3.90.0030.06714.07
5.3.80.0030.04314.16
5.3.70.0100.05314.01
5.3.60.0070.03714.18
5.3.50.0030.07013.83
5.3.40.0030.07713.94
5.3.30.0070.07313.91
5.3.20.0030.05713.65
5.3.10.0200.03013.67
5.3.00.0100.07013.63
5.2.170.0100.05311.19
5.2.160.0030.02711.10
5.2.150.0070.03311.10
5.2.140.0000.06711.09
5.2.130.0070.03311.10
5.2.120.0000.03310.99
5.2.110.0070.02711.09
5.2.100.0100.05711.14
5.2.90.0000.03311.15
5.2.80.0070.02711.17
5.2.70.0000.05310.98
5.2.60.0030.04311.04
5.2.50.0100.04711.08
5.2.40.0070.06011.06
5.2.30.0070.05711.00
5.2.20.0070.06010.85
5.2.10.0070.02310.91
5.2.00.0000.04010.74
5.1.60.0030.04310.10
5.1.50.0100.02010.05
5.1.40.0070.0409.99
5.1.30.0000.04310.26
5.1.20.0100.02710.39
5.1.10.0070.05310.11
5.1.00.0000.05710.11
5.0.50.0030.0338.56
5.0.40.0030.0378.38
5.0.30.0070.0378.17
5.0.20.0030.0208.19
5.0.10.0000.0238.22
5.0.00.0070.0638.14
4.4.90.0000.0207.74
4.4.80.0070.0307.74
4.4.70.0000.0307.74
4.4.60.0030.0337.74
4.4.50.0000.0307.74
4.4.40.0000.0277.74
4.4.30.0030.0337.74
4.4.20.0070.0277.74
4.4.10.0100.0277.74
4.4.00.0030.0537.74
4.3.110.0030.0177.74
4.3.100.0000.0177.74
4.3.90.0070.0177.74
4.3.80.0030.0237.74
4.3.70.0070.0337.74
4.3.60.0030.0177.74
4.3.50.0000.0177.74
4.3.40.0030.0507.74
4.3.30.0030.0277.74
4.3.20.0000.0207.74
4.3.10.0030.0277.74
4.3.00.0000.0277.74

preferences:
38.27 ms | 401 KiB | 5 Q