3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "&#xC9;"; //É $res = mb_strtolower(html_entity_decode($str, 'ENT_HTML5','UTF-8'), 'UTF-8' ); echo $res; ?>

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)
8.3.60.0070.00716.63
8.3.50.0070.01418.35
8.3.40.0120.00318.92
8.3.30.0070.00718.67
8.3.20.0040.00418.82
8.3.10.0040.00720.83
8.3.00.0080.00019.04
8.2.180.0060.00916.63
8.2.170.0110.00422.96
8.2.160.0110.00720.69
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00018.66
8.2.110.0050.00520.47
8.2.100.0120.00017.91
8.2.90.0030.00518.09
8.2.80.0000.00819.39
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0030.00518.07
8.2.40.0050.00217.92
8.2.30.0080.00017.97
8.2.20.0030.00619.50
8.2.10.0000.00717.73
8.2.00.0090.00017.77
8.1.280.0040.01125.92
8.1.270.0050.00324.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00722.19
8.1.230.0070.00320.89
8.1.220.0000.00817.74
8.1.210.0000.01018.77
8.1.200.0030.00617.35
8.1.190.0030.00617.51
8.1.180.0060.00318.10
8.1.170.0050.00318.89
8.1.160.0000.00718.66
8.1.150.0000.01018.53
8.1.140.0040.00417.37
8.1.130.0030.00317.81
8.1.120.0050.00217.44
8.1.110.0040.00417.30
8.1.100.0030.00317.35
8.1.90.0000.00817.27
8.1.80.0070.00017.41
8.1.70.0000.00717.30
8.1.60.0020.00517.55
8.1.50.0040.00417.42
8.1.40.0050.00317.53
8.1.30.0000.00717.61
8.1.20.0030.00617.68
8.1.10.0040.00417.48
8.1.00.0000.00817.52
8.0.300.0000.00720.09
8.0.290.0070.00016.75
8.0.280.0070.00018.43
8.0.270.0040.00417.24
8.0.260.0070.00016.81
8.0.250.0040.00416.95
8.0.240.0000.00916.91
8.0.230.0030.00316.96
8.0.220.0070.00016.81
8.0.210.0070.00016.77
8.0.200.0000.00716.94
8.0.190.0030.00416.93
8.0.180.0070.00016.87
8.0.170.0040.00416.83
8.0.160.0030.00316.93
8.0.150.0000.00816.82
8.0.140.0030.00816.70
8.0.130.0030.00513.27
8.0.120.0040.00416.82
8.0.110.0070.00016.87
8.0.100.0040.00416.77
8.0.90.0060.00316.70
8.0.80.0130.00316.84
8.0.70.0000.00716.88
8.0.60.0040.00416.67
8.0.50.0040.00416.79
8.0.30.0180.00017.13
8.0.20.0130.00716.84
8.0.10.0080.00016.97
8.0.00.0140.00616.89
7.4.330.0060.00013.00
7.4.320.0000.00716.48
7.4.300.0060.00016.63
7.4.290.0000.00716.56
7.4.280.0000.00816.59
7.4.270.0070.00016.52
7.4.260.0030.00313.22
7.4.250.0030.00516.49
7.4.240.0050.00316.61
7.4.230.0030.00416.52
7.4.220.0050.01416.54
7.4.210.0080.01016.52
7.4.200.0000.00716.48
7.4.190.0000.00716.72
7.4.160.0030.01216.48
7.4.150.0130.00416.51
7.4.140.0090.00716.40
7.4.130.0130.01216.34
7.4.120.0140.00616.31
7.4.110.0180.00016.46
7.4.100.0080.00816.44
7.4.90.0100.00716.47
7.4.80.0130.00916.30
7.4.70.0070.01416.55
7.4.60.0150.00316.61
7.4.50.0030.00316.54
7.4.40.0110.00716.21
7.4.30.0000.01616.38
7.4.00.0090.00615.13
7.3.330.0000.00713.30
7.3.320.0000.00913.15
7.3.310.0040.00416.14
7.3.300.0060.00016.30
7.3.290.0060.01016.37
7.3.280.0050.01016.33
7.3.270.0120.00616.43
7.3.260.0130.01016.23
7.3.250.0080.00916.38
7.3.240.0000.01716.40
7.3.230.0040.01216.25
7.3.210.0140.00316.29
7.3.200.0130.00619.39
7.3.190.0080.00816.49
7.3.180.0000.01516.29
7.3.170.0090.01216.46
7.3.160.0040.01116.28
7.3.120.0060.01014.65
7.2.330.0100.01016.53
7.2.320.0070.01616.52
7.2.310.0090.01216.60
7.2.300.0090.00916.67
7.2.290.0070.01016.53
7.2.60.0030.01316.95
7.2.00.0000.01119.37
7.1.200.0040.00715.72
7.1.70.0040.00417.21
7.1.60.0040.00717.22
7.1.50.0130.00917.11
7.1.00.0000.06322.37
7.0.200.0000.00916.73
7.0.140.0000.07722.08
7.0.120.0030.07322.09
7.0.60.0170.07019.95
7.0.50.0170.07017.88
7.0.40.0030.04320.23
7.0.30.0170.05320.18
7.0.20.0270.05720.12
7.0.10.0070.04020.17
7.0.00.0000.04720.21
5.6.280.0030.07721.11
5.6.210.0100.07320.60
5.6.200.0100.03318.13
5.6.190.0100.08020.39
5.6.180.0500.04020.48
5.6.170.0200.08320.51
5.6.160.0070.05020.46
5.6.150.0070.05718.18
5.6.140.0030.04018.15
5.6.130.0030.04718.07
5.6.120.0070.05720.68
5.6.110.0130.08321.04
5.6.100.0130.06021.10
5.6.90.0100.07720.99
5.6.80.0170.07020.37
5.5.350.0200.05320.40
5.5.340.0070.03717.89
5.5.330.0070.08320.29
5.5.320.0230.04020.21
5.5.310.0230.04320.27
5.5.300.0030.05318.02
5.5.290.0000.04317.97
5.5.280.0070.05320.79
5.5.270.0170.08320.78
5.5.260.0200.07320.71
5.5.250.0070.04320.57
5.5.240.0200.07020.18
5.4.450.0030.04719.41
5.4.440.0130.07019.24
5.4.430.0130.06019.39
5.4.420.0030.06319.37
5.4.410.0100.07319.11
5.4.400.0130.07019.12
5.4.390.0030.08318.81
5.4.380.0100.07719.08
5.4.370.0070.05019.00
5.4.360.0130.07018.79
5.4.350.0000.04018.83
5.4.340.0000.04019.18
5.4.320.0030.03719.11
5.4.310.0070.03319.16
5.4.300.0000.04018.79
5.4.290.0100.03018.91
5.4.280.0030.03718.78
5.4.270.0030.04019.07
5.4.260.0030.04319.08
5.4.250.0070.03319.16
5.4.240.0030.03719.17
5.4.230.0000.04018.91
5.4.220.0030.03719.01
5.4.210.0000.04018.78
5.4.200.0070.03319.14
5.4.190.0170.02319.07
5.4.180.0030.04018.91
5.4.170.0100.03719.17
5.4.160.0070.05019.05
5.4.150.0030.07319.16
5.4.140.0030.04016.29
5.4.130.0030.03316.32
5.4.120.0070.07016.34
5.4.110.0130.06316.41
5.4.100.0100.07016.32
5.4.90.0070.07716.43
5.4.80.0100.06316.34
5.4.70.0070.06716.21
5.4.60.0100.06716.31
5.4.50.0100.05716.14
5.4.40.0100.07316.24
5.4.30.0070.03316.39
5.4.20.0030.06716.38
5.4.10.0070.06316.20
5.4.00.0100.06315.73
5.3.290.0070.04714.58
5.3.280.0030.03714.52
5.3.270.0130.03714.69
5.3.260.0000.04714.55
5.3.250.0030.07014.54
5.3.240.0070.04714.54
5.3.230.0030.07714.55
5.3.220.0000.08014.35
5.3.210.0070.08014.58
5.3.200.0070.06714.65
5.3.190.0070.07314.45
5.3.180.0030.08714.65
5.3.170.0030.04014.48
5.3.160.0100.07014.48
5.3.150.0070.06014.38
5.3.140.0030.07714.49
5.3.130.0030.04014.47
5.3.120.0030.08014.44
5.3.110.0130.06714.47
5.3.100.0100.07014.05
5.3.90.0000.06714.03
5.3.80.0070.08013.95
5.3.70.0200.06013.93
5.3.60.0170.06313.95
5.3.50.0070.07713.89
5.3.40.0170.07013.90
5.3.30.0030.08013.74
5.3.20.0030.07313.50
5.3.10.0000.05713.74
5.3.00.0030.07713.45
5.2.170.0070.06011.08
5.2.160.0000.06311.13
5.2.150.0130.05711.00
5.2.140.0030.06311.13
5.2.130.0070.05011.09
5.2.120.0030.06711.05
5.2.110.0000.06711.05
5.2.100.0070.05311.00
5.2.90.0000.05310.96
5.2.80.0070.06311.03
5.2.70.0100.05311.09
5.2.60.0070.04010.98
5.2.50.0000.04710.88
5.2.40.0100.06010.93
5.2.30.0030.03011.05
5.2.20.0070.06310.88
5.2.10.0100.05710.85
5.2.00.0130.05010.79
5.1.60.0000.0539.98
5.1.50.0030.0539.98
5.1.40.0100.0379.98
5.1.30.0030.06010.34
5.1.20.0030.06010.24
5.1.10.0030.05010.06
5.1.00.0070.04010.08
5.0.50.0030.0278.52
5.0.40.0030.0478.36
5.0.30.0030.0678.14
5.0.20.0070.0208.25
5.0.10.0000.0508.20
5.0.00.0000.0438.14
4.4.90.0070.0308.14
4.4.80.0000.0178.14
4.4.70.0030.0408.14
4.4.60.0000.0278.14
4.4.50.0070.0308.14
4.4.40.0030.0308.14
4.4.30.0030.0278.14
4.4.20.0030.0338.14
4.4.10.0000.0208.14
4.4.00.0000.0408.14
4.3.110.0030.0338.14
4.3.100.0070.0108.14
4.3.90.0000.0308.14
4.3.80.0000.0308.14
4.3.70.0000.0338.14
4.3.60.0030.0138.14
4.3.50.0030.0208.14
4.3.40.0000.0338.14
4.3.30.0070.0238.14
4.3.20.0030.0238.14
4.3.10.0000.0408.14
4.3.00.0030.0338.14

preferences:
48.27 ms | 401 KiB | 5 Q