3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'foo/bar'; echo mb_convert_case(mb_convert_case($str, MB_CASE_LOWER, 'UTF-8'), MB_CASE_TITLE, '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)
8.3.60.0150.00018.17
8.3.50.0110.00721.99
8.3.40.0070.00718.77
8.3.30.0110.00418.92
8.3.20.0040.00420.21
8.3.10.0040.00421.82
8.3.00.0000.00719.56
8.2.180.0160.00616.38
8.2.170.0130.00722.96
8.2.160.0080.01120.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00820.81
8.2.110.0090.00022.20
8.2.100.0070.00418.09
8.2.90.0070.00019.27
8.2.80.0000.00817.97
8.2.70.0080.00017.38
8.2.60.0040.00417.68
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0040.00418.23
8.2.20.0050.00217.65
8.2.10.0060.00317.95
8.2.00.0000.00817.55
8.1.280.0140.00725.92
8.1.270.0090.00023.96
8.1.260.0000.00726.35
8.1.250.0060.00628.09
8.1.240.0030.00622.17
8.1.230.0040.00719.01
8.1.220.0060.00317.74
8.1.210.0090.00018.77
8.1.200.0000.01017.35
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0000.00922.00
8.1.150.0030.00518.88
8.1.140.0000.00717.50
8.1.130.0030.00317.83
8.1.120.0000.00717.50
8.1.110.0040.00417.43
8.1.100.0000.00817.34
8.1.90.0000.00717.39
8.1.80.0070.00017.50
8.1.70.0040.00417.41
8.1.60.0040.00417.52
8.1.50.0060.00317.43
8.1.40.0000.00817.50
8.1.30.0040.00417.56
8.1.20.0060.00317.66
8.1.10.0000.00717.63
8.1.00.0000.00717.47
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0040.00417.39
8.0.260.0000.00717.24
8.0.250.0040.00416.91
8.0.240.0000.00816.89
8.0.230.0000.01016.91
8.0.220.0030.00316.98
8.0.210.0040.00416.98
8.0.200.0000.00616.82
8.0.190.0000.00716.91
8.0.180.0000.00716.79
8.0.170.0080.00016.79
8.0.160.0000.00816.93
8.0.150.0030.00316.84
8.0.140.0070.00016.71
8.0.130.0000.00513.24
8.0.120.0000.00816.88
8.0.110.0040.00416.89
8.0.100.0050.00216.83
8.0.90.0000.00816.88
8.0.80.0070.00716.82
8.0.70.0000.00716.92
8.0.60.0030.00516.95
8.0.50.0000.00716.83
8.0.30.0110.00817.15
8.0.20.0120.00617.40
8.0.10.0070.00016.75
8.0.00.0060.01116.76
7.4.330.0000.00515.09
7.4.320.0060.00016.45
7.4.300.0000.00616.59
7.4.290.0060.00016.46
7.4.280.0040.00416.57
7.4.270.0060.00016.36
7.4.260.0070.00016.47
7.4.250.0000.00816.45
7.4.240.0020.00516.57
7.4.230.0070.00016.37
7.4.220.0100.01016.54
7.4.210.0090.00616.51
7.4.200.0000.00816.38
7.4.160.0060.01016.57
7.4.150.0140.00317.40
7.4.140.0100.00817.86
7.4.130.0110.00616.54
7.4.120.0100.00716.39
7.4.110.0060.01516.36
7.4.100.0100.01016.40
7.4.90.0140.00316.54
7.4.80.0100.01019.39
7.4.70.0030.01716.26
7.4.60.0150.00916.55
7.4.50.0000.00416.49
7.4.40.0110.01116.59
7.4.30.0090.00616.49
7.4.00.0130.00314.62
7.3.330.0060.00012.93
7.3.320.0000.00613.17
7.3.310.0030.00316.37
7.3.300.0030.00316.20
7.3.290.0060.01216.20
7.3.280.0070.01216.25
7.3.270.0040.01117.40
7.3.260.0130.00416.26
7.3.250.0110.00716.45
7.3.240.0060.01316.36
7.3.230.0120.00616.45
7.3.210.0040.01416.37
7.3.200.0120.00419.39
7.3.190.0000.01916.52
7.3.180.0030.01216.31
7.3.170.0000.01516.46
7.3.160.0070.00716.38
7.3.120.0030.00714.63
7.2.330.0140.00316.49
7.2.320.0100.01016.59
7.2.310.0070.01616.35
7.2.300.0080.00816.56
7.2.290.0060.01116.37
7.2.00.0030.01219.06
7.1.100.0030.01218.14
7.1.70.0080.00017.04
7.1.60.0100.01319.70
7.1.50.0000.02217.05
7.1.00.0100.07022.48
7.0.200.0240.00614.86
7.0.140.0030.06722.05
7.0.60.0230.06019.88
7.0.50.0030.04317.91
7.0.40.0130.06020.40
7.0.30.0300.08020.34
7.0.20.0300.05020.04
7.0.10.0030.08020.09
7.0.00.0070.03720.01
5.6.280.0030.07321.16
5.6.210.0100.08020.69
5.6.200.0100.04718.22
5.6.190.0100.06020.41
5.6.180.0230.05020.41
5.6.170.0270.07720.37
5.6.160.0070.08020.33
5.6.150.0030.04318.15
5.6.140.0070.07018.18
5.6.130.0030.08018.20
5.6.120.0030.04321.09
5.6.110.0070.04320.88
5.6.100.0070.08020.96
5.6.90.0030.08720.98
5.6.80.0000.06720.36
5.5.350.0330.06320.41
5.5.340.0000.06017.98
5.5.330.0100.03720.40
5.5.320.0370.06320.21
5.5.310.0100.05020.29
5.5.300.0030.06317.99
5.5.290.0070.07717.87
5.5.280.0000.08320.82
5.5.270.0200.03720.83
5.5.260.0000.04320.71
5.5.250.0070.08720.68
5.5.240.0070.07720.16
5.4.450.0800.05319.58
5.4.440.0170.08019.58
5.4.430.0200.04719.32
5.4.420.0200.04719.63
5.4.410.0100.05318.96
5.4.400.0330.05018.75
5.4.390.0330.05018.61
5.4.380.0230.06718.66
5.4.370.0130.04718.58
5.4.360.0170.04318.63
5.4.350.0040.03911.97
5.4.340.0070.04211.97
5.4.320.0090.03712.45
5.4.310.0070.04012.45
5.4.300.0080.03612.45
5.4.290.0060.03712.45
5.4.280.0060.03812.34
5.4.270.0060.03612.34
5.4.260.0110.03712.34
5.4.250.0080.03812.35
5.4.240.0020.03912.34
5.4.230.0080.04012.34
5.4.220.0030.03812.34
5.4.210.0030.03712.34
5.4.200.0040.03912.34
5.4.190.0040.03912.33
5.4.180.0040.03712.33
5.4.170.0110.04512.35
5.4.160.0050.04212.34
5.4.150.0040.03612.34
5.4.140.0060.04112.02
5.4.130.0060.03412.01
5.4.120.0050.03711.97
5.4.110.0030.03711.96
5.4.100.0050.03511.96
5.4.90.0070.03511.96
5.4.80.0020.04111.96
5.4.70.0070.03311.96
5.4.60.0050.03411.96
5.4.50.0030.03711.96
5.4.40.0060.03411.95
5.4.30.0080.03511.95
5.4.20.0040.03611.95
5.4.10.0100.03111.95
5.4.00.0100.03111.43
5.3.290.0100.04612.80
5.3.280.0090.03812.71
5.3.270.0090.03812.73
5.3.260.0070.03712.72
5.3.250.0070.03712.72
5.3.240.0120.03512.72
5.3.230.0080.04912.70
5.3.220.0070.04112.68
5.3.210.0060.03812.68
5.3.200.0060.03612.68
5.3.190.0040.03812.68
5.3.180.0030.03912.68
5.3.170.0070.03612.67
5.3.160.0110.04512.68
5.3.150.0100.04312.68
5.3.140.0060.03612.66
5.3.130.0050.04112.66
5.3.120.0060.04112.66
5.3.110.0040.04212.66
5.3.100.0080.03512.11
5.3.90.0050.04012.08
5.3.80.0070.04412.07
5.3.70.0060.03612.07
5.3.60.0070.03512.07
5.3.50.0050.03612.00
5.3.40.0030.03912.00
5.3.30.0080.03411.94
5.3.20.0050.03611.72
5.3.10.0050.03611.69
5.3.00.0080.04111.68
5.2.170.0050.0349.18
5.2.160.0050.0309.18
5.2.150.0090.0339.17
5.2.140.0070.0309.18
5.2.130.0030.0329.13
5.2.120.0080.0359.13
5.2.110.0010.0329.14
5.2.100.0040.0289.14
5.2.90.0090.0339.14
5.2.80.0100.0279.13
5.2.70.0110.0339.13
5.2.60.0070.0299.08
5.2.50.0040.0339.05
5.2.40.0060.0289.03
5.2.30.0030.0319.01
5.2.20.0020.0318.99
5.2.10.0040.0288.92
5.2.00.0050.0298.78
5.1.60.0050.0228.06
5.1.50.0040.0248.05
5.1.40.0070.0258.04
5.1.30.0050.0318.39
5.1.20.0050.0368.41
5.1.10.0030.0268.13
5.1.00.0060.0238.14
5.0.50.0040.0236.61
5.0.40.0020.0206.47
5.0.30.0050.0356.29
5.0.20.0020.0246.26
5.0.10.0040.0246.23
5.0.00.0050.0326.22
4.4.90.0040.0154.78
4.4.80.0050.0224.76
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0050.0144.77
4.4.40.0030.0264.70
4.4.30.0060.0164.76
4.4.20.0020.0164.84
4.4.10.0040.0154.85
4.4.00.0010.0304.76
4.3.110.0040.0214.67
4.3.100.0060.0174.67
4.3.90.0030.0144.64
4.3.80.0020.0244.58
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0020.0154.63
4.3.40.0030.0234.54
4.3.30.0010.0163.28
4.3.20.0030.0193.26
4.3.10.0020.0193.21
4.3.00.0130.0277.18

preferences:
45.01 ms | 401 KiB | 5 Q