3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strtolower('aäeéiîoöu12', 'UTF-8'));

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)
8.3.60.0130.00718.56
8.3.50.0130.00521.89
8.3.40.0090.00918.60
8.3.30.0110.00319.04
8.3.20.0000.00720.29
8.3.10.0050.00321.97
8.3.00.0000.00822.38
8.2.180.0180.00316.38
8.2.170.0130.00722.96
8.2.160.0100.00320.35
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0070.01126.16
8.2.120.0040.00421.06
8.2.110.0030.00622.14
8.2.100.0110.00017.78
8.2.90.0080.00018.93
8.2.80.0000.00717.97
8.2.70.0030.00617.50
8.2.60.0050.00217.93
8.2.50.0040.00418.07
8.2.40.0040.00417.89
8.2.30.0000.00717.81
8.2.20.0000.00717.44
8.2.10.0030.00619.32
8.2.00.0000.00817.43
8.1.280.0150.00325.92
8.1.270.0040.00422.20
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0070.00423.89
8.1.230.0110.00019.09
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0090.00017.40
8.1.180.0080.00018.10
8.1.170.0040.00418.71
8.1.160.0000.00721.97
8.1.150.0040.00418.68
8.1.140.0050.00217.55
8.1.130.0000.00717.92
8.1.120.0030.00317.45
8.1.110.0070.00017.35
8.1.100.0080.00017.38
8.1.90.0050.00217.26
8.1.80.0000.00717.33
8.1.70.0030.00317.35
8.1.60.0060.00317.40
8.1.50.0040.00417.44
8.1.40.0000.00717.36
8.1.30.0040.00417.53
8.1.20.0040.00417.54
8.1.10.0000.00817.34
8.1.00.0020.00517.36
8.0.300.0000.00718.77
8.0.290.0050.00317.05
8.0.280.0070.00018.29
8.0.270.0030.00316.75
8.0.260.0070.00016.83
8.0.250.0000.00716.76
8.0.240.0000.00716.86
8.0.230.0000.00716.80
8.0.220.0070.00016.78
8.0.210.0000.00716.93
8.0.200.0100.00016.88
8.0.190.0030.00416.80
8.0.180.0080.00316.76
8.0.170.0000.00716.75
8.0.160.0000.00716.70
8.0.150.0040.00416.80
8.0.140.0050.00316.67
8.0.130.0030.00313.30
8.0.120.0040.00416.68
8.0.110.0040.00416.72
8.0.100.0000.00716.76
8.0.90.0000.00716.89
8.0.80.0120.00316.84
8.0.70.0030.00516.79
8.0.60.0000.00816.63
8.0.50.0040.00416.67
8.0.30.0110.00716.88
8.0.20.0060.01317.40
8.0.10.0020.00516.86
8.0.00.0140.00816.69
7.4.330.0020.00215.06
7.4.320.0000.00616.36
7.4.300.0030.00316.34
7.4.290.0030.00316.48
7.4.280.0030.00316.47
7.4.270.0030.00316.40
7.4.260.0030.00316.54
7.4.250.0000.00716.50
7.4.240.0000.00716.39
7.4.230.0030.00316.43
7.4.220.0120.00816.51
7.4.210.0040.01016.54
7.4.200.0020.00516.33
7.4.190.0040.00416.29
7.4.160.0040.01116.30
7.4.150.0100.00717.40
7.4.140.0070.01717.86
7.4.130.0130.00516.32
7.4.120.0100.00816.47
7.4.110.0110.00816.36
7.4.100.0100.00616.40
7.4.90.0120.01216.41
7.4.80.0110.00619.39
7.4.70.0060.00916.43
7.4.60.0060.01016.33
7.4.50.0050.00016.37
7.4.40.0070.01022.77
7.4.30.0130.00316.40
7.4.00.0060.00814.91
7.3.330.0030.00313.24
7.3.320.0050.00013.13
7.3.310.0050.00316.34
7.3.300.0000.00716.25
7.3.290.0090.00916.21
7.3.280.0110.00616.30
7.3.270.0030.01517.40
7.3.260.0090.00916.21
7.3.250.0120.00716.18
7.3.240.0040.01216.16
7.3.230.0130.00516.39
7.3.210.0160.00016.11
7.3.200.0150.00319.39
7.3.190.0120.00616.33
7.3.180.0090.00616.36
7.3.170.0100.00716.42
7.3.160.0090.00916.14
7.3.120.0030.01014.69
7.2.330.0170.00416.43
7.2.320.0200.00016.36
7.2.310.0110.00716.39
7.2.300.0200.00316.41
7.2.290.0140.00316.33
7.2.60.0110.00816.65
7.1.200.0060.00615.66
7.1.100.0000.00918.19
7.1.70.0040.00416.77
7.1.60.0120.01219.82
7.1.50.0090.01516.57
7.1.00.0030.07722.45
7.0.200.0000.00816.55
7.0.140.0030.07322.04
7.0.80.0100.07719.84
7.0.70.0130.07319.95
7.0.60.0070.09019.84
7.0.50.0070.08720.34
7.0.40.0030.07320.00
7.0.30.0070.04320.03
7.0.20.0030.08320.13
7.0.10.0330.07020.09
7.0.00.0200.07020.05
5.6.280.0030.07320.85
5.6.230.0030.09020.74
5.6.220.0070.08320.64
5.6.210.0130.05020.64
5.6.200.0070.06721.11
5.6.190.0100.08321.13
5.6.180.0070.04721.03
5.6.170.0100.03721.03
5.6.160.0200.06721.04
5.6.150.0030.07321.04
5.6.140.0100.08720.96
5.6.130.0170.08020.93
5.6.120.0070.07021.13
5.6.110.0070.05021.00
5.6.100.0030.08320.98
5.6.90.0070.07021.05
5.6.80.0030.05720.33
5.6.70.0130.07020.45
5.6.60.0100.07720.29
5.6.50.0030.08320.45
5.6.40.0000.05720.38
5.6.30.0130.06020.37
5.6.20.0130.07720.36
5.6.10.0100.05320.46
5.6.00.0000.04720.37
5.5.370.0130.04320.41
5.5.360.0070.08320.37
5.5.350.0230.07320.36
5.5.340.0030.04720.90
5.5.330.0070.08320.63
5.5.320.0130.08020.75
5.5.310.0070.04320.75
5.5.300.0130.07320.92
5.5.290.0100.06320.87
5.5.280.0070.07720.80
5.5.270.0030.08720.84
5.5.260.0030.06320.91
5.5.250.0030.08020.66
5.5.240.0100.07320.25
5.5.230.0070.07720.22
5.5.220.0400.05320.26
5.5.210.0070.07720.25
5.5.200.0130.07720.17
5.5.190.0030.08320.25
5.5.180.0170.07320.25
5.5.160.0070.07020.10
5.5.150.0130.07320.20
5.5.140.0130.06320.20
5.5.130.0070.07320.26
5.5.120.0100.07720.21
5.5.110.0200.06320.14
5.5.100.0070.08020.04
5.5.90.0130.07720.14
5.5.80.0070.08020.04
5.5.70.0100.07319.93
5.5.60.0030.07719.88
5.5.50.0070.07719.93
5.5.40.0170.06720.14
5.5.30.0030.05720.04
5.5.20.0130.07020.04
5.5.10.0070.08020.11
5.5.00.0130.06719.97
5.4.450.0030.09019.47
5.4.440.0200.05319.37
5.4.430.0100.05319.41
5.4.420.0200.05719.13
5.4.410.0130.05319.34
5.4.400.0230.05718.96
5.4.390.0070.07319.03
5.4.380.0030.07719.12
5.4.370.0030.06719.12
5.4.360.0100.06019.23
5.4.350.0100.04318.96
5.4.340.0100.08019.05
5.4.320.0130.06019.23
5.4.310.0030.08019.00
5.4.300.0100.07018.97
5.4.290.0230.05319.14
5.4.280.0030.07018.89
5.4.270.0000.07719.07
5.4.260.0170.07018.99
5.4.250.0100.07319.11
5.4.240.0030.08019.04
5.4.230.0000.08319.05
5.4.220.0100.07319.04
5.4.210.0000.06319.11
5.4.200.0100.06019.12
5.4.190.0270.05019.13
5.4.180.0030.04318.95
5.4.170.0130.06718.97
5.4.160.0070.08018.94
5.4.150.0300.05718.93
5.4.140.0070.07716.24
5.4.130.0130.03716.36
5.4.120.0070.07716.13
5.4.110.0170.06016.31
5.4.100.0070.06316.40
5.4.90.0070.06316.38
5.4.80.0070.07316.34
5.4.70.0030.04016.39
5.4.60.0030.03716.20
5.4.50.0100.07016.46
5.4.40.0170.06316.23
5.4.30.0070.07716.21
5.4.20.0030.06716.30
5.4.10.0100.06716.41
5.4.00.0130.06715.73
5.3.290.0070.07714.57
5.3.280.0130.07314.52
5.3.270.0170.05714.45
5.3.260.0100.07014.55
5.3.250.0100.07314.51
5.3.240.0100.07014.59
5.3.230.0100.03314.60
5.3.220.0100.07314.42
5.3.210.0070.06714.38
5.3.200.0130.07014.47
5.3.190.0070.07714.54
5.3.180.0070.07714.52
5.3.170.0070.06314.52
5.3.160.0070.07314.41
5.3.150.0100.04714.57
5.3.140.0070.06714.54
5.3.130.0070.08014.55
5.3.120.0100.06714.52
5.3.110.0070.08314.36
5.3.100.0100.07313.89
5.3.90.0070.07313.83
5.3.80.0100.05013.86
5.3.70.0100.07013.96
5.3.60.0030.07713.96
5.3.50.0070.07313.80
5.3.40.0130.05313.93
5.3.30.0030.07313.85
5.3.20.0030.06313.64
5.3.10.0200.06013.51
5.3.00.0100.06713.49
5.2.170.0100.06011.61
5.2.160.0070.05711.61
5.2.150.0070.05711.61
5.2.140.0100.05311.61
5.2.130.0130.05311.61
5.2.120.0000.06011.61
5.2.110.0100.06011.61
5.2.100.0030.03311.61
5.2.90.0030.06011.61
5.2.80.0070.06011.61
5.2.70.0100.06011.61
5.2.60.0030.06011.61
5.2.50.0000.06311.61
5.2.40.0100.05711.61
5.2.30.0000.05011.61
5.2.20.0030.06011.61
5.2.10.0030.06311.61
5.2.00.0070.06011.61
5.1.60.0030.04711.61
5.1.50.0000.05311.61
5.1.40.0030.04311.61
5.1.30.0100.04711.61
5.1.20.0000.05011.61
5.1.10.0070.05011.61
5.1.00.0070.05011.61
5.0.50.0030.04711.61
5.0.40.0030.04011.61
5.0.30.0030.05711.61
5.0.20.0000.04711.61
5.0.10.0000.04711.61
5.0.00.0030.05311.61
4.4.90.0030.03711.61
4.4.80.0030.03711.61
4.4.70.0070.03311.61
4.4.60.0000.03711.61
4.4.50.0030.03311.61
4.4.40.0030.04011.61
4.4.30.0000.03711.61
4.4.20.0030.03311.61
4.4.10.0070.03311.61
4.4.00.0030.05311.61
4.3.110.0000.02711.61
4.3.100.0000.03311.61
4.3.90.0100.02711.61
4.3.80.0070.04711.61
4.3.70.0000.02711.61
4.3.60.0070.02711.61
4.3.50.0000.03011.61
4.3.40.0000.03311.61
4.3.30.0070.02711.61
4.3.20.0000.02711.61
4.3.10.0000.02311.61
4.3.00.0070.02711.61

preferences:
47.64 ms | 401 KiB | 5 Q