3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "&#xC9;"; //É $res = mb_strtolower(html_entity_decode($str,'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)
8.1rc30.0060.00316.96
8.1rc20.0000.00717.10
8.1rc10.0040.00417.02
8.0.120.0080.00016.80
8.0.110.0060.00316.92
8.0.100.0070.00016.88
8.0.90.0050.00216.80
8.0.80.0040.01116.88
8.0.70.0050.00316.87
8.0.60.0060.00316.71
8.0.50.0040.00416.80
8.0.30.0060.01016.93
8.0.20.0080.01017.15
8.0.10.0040.00417.06
8.0.00.0160.00416.86
7.4.250.0000.00816.50
7.4.240.0000.00816.60
7.4.230.0030.00616.68
7.4.220.0140.00416.66
7.4.210.0090.00616.52
7.4.200.0080.00016.66
7.4.190.0040.00416.60
7.4.150.0120.00616.45
7.4.140.0000.01816.54
7.4.130.0060.01216.29
7.4.120.0030.01316.46
7.4.110.0170.00716.33
7.4.100.0060.01016.43
7.4.90.0120.00616.39
7.4.80.0110.00619.39
7.4.70.0190.00416.56
7.4.60.0130.00316.57
7.4.50.0020.00216.46
7.4.40.0060.01216.29
7.4.30.0080.00816.20
7.4.00.0030.01414.96
7.3.320.0000.00713.08
7.3.310.0040.00416.38
7.3.300.0030.00316.21
7.3.290.0070.01016.27
7.3.280.0110.01116.28
7.3.270.0130.00416.27
7.3.260.0120.01216.61
7.3.250.0070.01016.27
7.3.240.0070.01316.27
7.3.230.0150.00316.36
7.3.210.0160.00016.33
7.3.200.0150.00616.38
7.3.190.0110.01016.31
7.3.180.0080.00716.33
7.3.170.0120.00416.53
7.3.160.0090.01216.20
7.3.120.0070.01014.49
7.2.330.0180.00616.64
7.2.320.0180.00616.62
7.2.310.0170.00716.64
7.2.300.0130.00316.67
7.2.290.0120.00416.61
7.2.60.0030.00916.79
7.2.00.0000.01319.34
7.1.200.0040.00815.49
7.1.100.0470.00615.51
7.1.70.0040.00417.13
7.1.60.0090.01519.30
7.1.50.0070.01416.80
7.1.00.0030.07322.48
7.0.200.0040.00416.41
7.0.140.0130.06322.10
7.0.120.0030.07322.08
7.0.60.0070.08719.96
7.0.50.0030.04017.92
7.0.40.0070.04320.03
7.0.30.0500.07720.02
7.0.20.0130.04720.09
7.0.10.0070.04320.01
7.0.00.0100.07020.03
5.6.280.0000.07721.06
5.6.210.0070.08020.55
5.6.200.0030.04018.12
5.6.190.0030.08720.27
5.6.180.0230.04320.57
5.6.170.0170.04020.39
5.6.160.0070.08020.46
5.6.150.0030.05318.12
5.6.140.0070.08318.11
5.6.130.0100.07718.18
5.6.120.0030.08320.96
5.6.110.0130.08320.96
5.6.100.0070.07321.02
5.6.90.0000.09021.02
5.6.80.0070.03720.50
5.6.70.4530.04020.27
5.5.350.0430.06020.37
5.5.340.0100.08018.02
5.5.330.0070.04020.19
5.5.320.0200.05020.23
5.5.310.0370.07720.28
5.5.300.0030.08317.91
5.5.290.0030.04017.92
5.5.280.0130.07720.76
5.5.270.0000.04720.79
5.5.260.0130.06320.78
5.5.250.0030.07020.46
5.5.240.3900.04320.36
5.4.450.0030.04719.44
5.4.440.0100.05319.50
5.4.430.0070.06019.23
5.4.420.0070.07719.23
5.4.410.0200.06319.29
5.4.400.0100.07019.03
5.4.390.0070.07319.15
5.4.380.0030.03719.07
5.4.370.0070.07319.16
5.4.360.0070.04019.08
5.4.350.0130.06019.18
5.4.340.0100.06318.91
5.4.320.0200.03719.18
5.4.310.0100.03319.09
5.4.300.0130.05019.15
5.4.290.0070.04318.80
5.4.280.0030.04019.13
5.4.270.0030.06719.13
5.4.260.0030.04019.15
5.4.250.0070.04318.78
5.4.240.0070.03319.07
5.4.230.0070.04719.17
5.4.220.0100.03719.07
5.4.210.0030.06719.17
5.4.200.0130.04019.18
5.4.190.0100.06018.77
5.4.180.0030.07019.20
5.4.170.0030.05019.17
5.4.160.0130.04719.13
5.4.150.0100.07318.89
5.4.140.0170.03316.25
5.4.130.0100.04016.43
5.4.120.0030.07716.21
5.4.110.0030.05016.28
5.4.100.0030.04316.34
5.4.90.0070.04316.25
5.4.80.0070.07316.35
5.4.70.0100.05016.35
5.4.60.0070.06716.38
5.4.50.0000.04316.21
5.4.40.0000.06016.34
5.4.30.0070.04716.26
5.4.20.0130.05716.31
5.4.10.0200.02716.32
5.4.00.0030.08315.64
5.3.290.0030.04014.75
5.3.280.0030.03714.41
5.3.270.0130.06714.59
5.3.260.0070.07714.53
5.3.250.0130.06714.42
5.3.240.0070.07314.69
5.3.230.0130.07014.48
5.3.220.0130.06714.50
5.3.210.0030.07714.52
5.3.200.0100.04014.50
5.3.190.0100.07314.50
5.3.180.0100.06714.35
5.3.170.0130.04314.48
5.3.160.0100.03714.57
5.3.150.0070.04714.34
5.3.140.0030.04014.52
5.3.130.0100.04714.50
5.3.120.0000.06714.38
5.3.110.0030.04314.47
5.3.100.0070.03713.97
5.3.90.0070.06713.95
5.3.80.0030.07013.98
5.3.70.0030.04713.95
5.3.60.0100.07313.82
5.3.50.0070.05013.77
5.3.40.0100.07313.96
5.3.30.0000.04713.88
5.3.20.0130.02713.70
5.3.10.0070.03713.67
5.3.00.0100.06713.60
5.2.170.0070.06311.15
5.2.160.0030.05311.13
5.2.150.0070.03711.13
5.2.140.0070.04311.02
5.2.130.0070.05711.00
5.2.120.0030.04711.05
5.2.110.0030.03010.92
5.2.100.0070.02311.09
5.2.90.0030.06311.03
5.2.80.0030.04011.02
5.2.70.0070.03711.04
5.2.60.0100.05710.91
5.2.50.0000.04710.87
5.2.40.0030.03310.99
5.2.30.0070.06010.85
5.2.20.0030.05310.89
5.2.10.0070.05710.85
5.2.00.0130.05010.71
5.1.60.0030.04310.00
5.1.50.0030.05310.14
5.1.40.0100.04710.00
5.1.30.0100.05310.32
5.1.20.0000.04710.20
5.1.10.0030.04010.06
5.1.00.0000.0279.90
5.0.50.0000.0438.45
5.0.40.0030.0378.38
5.0.30.0000.0608.34
5.0.20.0000.0278.34
5.0.10.0030.0238.34
5.0.00.0030.0538.34
4.4.90.0000.0178.34
4.4.80.0100.0278.34
4.4.70.0000.0378.34
4.4.60.0000.0378.34
4.4.50.0030.0238.34
4.4.40.0030.0508.34
4.4.30.0070.0208.34
4.4.20.0030.0208.34
4.4.10.0000.0378.34
4.4.00.0070.0478.34
4.3.110.0100.0308.34
4.3.100.0070.0338.34
4.3.90.0100.0208.34
4.3.80.0000.0538.34
4.3.70.0070.0308.34
4.3.60.0030.0208.34
4.3.50.0030.0308.34
4.3.40.0000.0308.34
4.3.30.0000.0178.34
4.3.20.0030.0278.34
4.3.10.0000.0338.34
4.3.00.0030.0138.34

preferences:
58.83 ms | 455 KiB | 5 Q