3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "&#xC9;"; //É $res = mb_strtolower($str, 'HTML-ENTITIES'); 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)
8.3.70.0120.00918.43
8.3.60.0070.01118.56
8.3.50.0110.01121.97
8.3.40.0110.00418.58
8.3.30.0070.00718.98
8.3.20.0040.00420.12
8.3.10.0040.00421.95
8.3.00.0050.00322.34
8.2.190.0100.00716.75
8.2.180.0090.00916.63
8.2.170.0140.00422.96
8.2.160.0110.00421.00
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0000.00819.48
8.2.110.0000.00920.43
8.2.100.0080.00417.91
8.2.90.0060.00319.34
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00818.20
8.2.20.0040.00417.58
8.2.10.0000.00917.85
8.2.00.0060.00317.82
8.1.280.0040.01125.92
8.1.270.0000.00821.90
8.1.260.0040.00426.35
8.1.250.0120.00328.09
8.1.240.0070.00323.76
8.1.230.0110.00020.66
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.54
8.1.180.0000.00818.10
8.1.170.0040.00418.60
8.1.160.0040.00422.01
8.1.150.0040.00418.80
8.1.140.0040.00817.56
8.1.130.0030.00317.82
8.1.120.0000.00717.47
8.1.110.0000.00717.49
8.1.100.0040.00417.46
8.1.90.0000.00717.41
8.1.80.0040.00417.45
8.1.70.0070.00017.37
8.1.60.0050.00217.55
8.1.50.0000.00817.47
8.1.40.0000.00817.48
8.1.30.0030.00617.66
8.1.20.0040.00417.61
8.1.10.0040.00417.54
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0000.00718.48
8.0.270.0070.00017.24
8.0.260.0000.00816.85
8.0.250.0000.00817.03
8.0.240.0070.00016.89
8.0.230.0030.00316.98
8.0.220.0030.00316.77
8.0.210.0000.00716.90
8.0.200.0040.00416.87
8.0.190.0000.00816.82
8.0.180.0030.00416.95
8.0.170.0040.00416.79
8.0.160.0030.00616.89
8.0.150.0000.00816.75
8.0.140.0000.00716.83
8.0.130.0000.00713.32
8.0.120.0030.00516.81
8.0.110.0000.00816.75
8.0.100.0000.00716.83
8.0.90.0070.00016.83
8.0.80.0060.00916.75
8.0.70.0000.00716.70
8.0.60.0030.00316.66
8.0.50.0000.00716.79
8.0.30.0090.01017.18
8.0.20.0120.01017.40
8.0.10.0000.00716.97
8.0.00.0080.01216.57
7.4.330.0060.00015.07
7.4.320.0040.00416.50
7.4.300.0070.00016.40
7.4.290.0080.00316.57
7.4.280.0070.00016.52
7.4.270.0000.00816.55
7.4.260.0040.00416.48
7.4.250.0000.00816.40
7.4.240.0030.00316.53
7.4.230.0000.00716.43
7.4.220.0090.00916.38
7.4.210.0050.00916.57
7.4.200.0030.00316.38
7.4.190.0070.00016.71
7.4.160.0120.00316.42
7.4.150.0150.00417.40
7.4.140.0060.01217.86
7.4.130.0090.01016.38
7.4.120.0100.00716.40
7.4.110.0060.01116.46
7.4.100.0110.00516.45
7.4.90.0060.01116.34
7.4.80.0060.01319.39
7.4.70.0090.01316.40
7.4.60.0090.00616.40
7.4.50.0000.00816.51
7.4.40.0100.00622.77
7.4.30.0070.01416.44
7.4.10.0090.00614.70
7.4.00.0100.00414.89
7.3.330.0000.00613.16
7.3.320.0000.00713.16
7.3.310.0040.00416.16
7.3.300.0030.00316.27
7.3.290.0090.00916.36
7.3.280.0100.01016.33
7.3.270.0150.00617.40
7.3.260.0100.01016.31
7.3.250.0140.00316.40
7.3.240.0110.00716.41
7.3.230.0140.00316.40
7.3.210.0060.01016.31
7.3.200.0090.00919.39
7.3.190.0180.01516.36
7.3.180.0120.00316.19
7.3.170.0060.01316.32
7.3.160.0130.00316.39
7.3.130.0090.00914.79
7.3.120.0080.00714.93
7.3.110.0120.00614.84
7.3.100.0040.01214.66
7.3.90.0130.00314.60
7.3.80.0070.00414.55
7.3.70.0040.00414.77
7.3.60.0070.01114.77
7.3.50.0040.01114.69
7.3.40.0040.01214.85
7.3.30.0000.01314.73
7.3.20.0030.01316.69
7.3.10.0030.00616.73
7.3.00.0100.00616.45
7.2.330.0090.00916.70
7.2.320.0040.01416.70
7.2.310.0070.01016.73
7.2.300.0140.00716.63
7.2.290.0070.01116.44
7.2.260.0000.01114.91
7.2.250.0150.00415.00
7.2.240.0100.00614.95
7.2.230.0040.01115.12
7.2.220.0070.00315.13
7.2.210.0060.00915.25
7.2.200.0030.01015.06
7.2.190.0060.00914.88
7.2.180.0030.01315.04
7.2.170.0030.01015.03
7.2.160.0090.00614.76
7.2.150.0030.00716.73
7.2.140.0040.00716.87
7.2.130.0030.00916.87
7.2.120.0030.01316.88
7.2.110.0060.00916.96
7.2.100.0040.00816.99
7.2.90.0100.00316.78
7.2.80.0040.01117.04
7.2.70.0070.01016.81
7.2.60.0060.01017.02
7.2.50.0060.01216.92
7.2.40.0060.00916.91
7.2.30.0100.00316.99
7.2.20.0120.00316.75
7.2.10.0000.01417.19
7.2.00.0030.01018.18
7.1.330.0070.00716.11
7.1.320.0070.00415.88
7.1.310.0000.01715.96
7.1.300.0040.01115.81
7.1.290.0040.01215.53
7.1.280.0030.01015.74
7.1.270.0040.00715.92
7.1.260.0060.00915.91
7.1.250.0100.00315.93
7.1.240.0000.00815.78
7.1.230.0040.00815.54
7.1.220.0040.01115.72
7.1.210.0060.00615.99
7.1.200.0000.01315.54
7.1.190.0060.00915.64
7.1.180.0080.00815.84
7.1.170.0040.00815.80
7.1.160.0040.00415.90
7.1.150.0040.01115.87
7.1.140.0030.00815.65
7.1.130.0040.01115.89
7.1.120.0070.00715.80
7.1.110.0110.00415.72
7.1.100.0070.00616.95
7.1.90.0060.00315.82
7.1.80.0040.01115.81
7.1.70.0010.01016.38
7.1.60.0050.01217.88
7.1.50.0060.01016.32
7.1.40.0100.00315.52
7.1.30.0040.01115.86
7.1.20.0070.00715.57
7.1.10.0000.01715.98
7.1.00.0070.04019.01
7.0.330.0000.00815.59
7.0.320.0030.00515.52
7.0.310.0150.00015.18
7.0.300.0090.00015.34
7.0.290.0090.00615.38
7.0.280.0050.00315.34
7.0.270.0040.00715.23
7.0.260.0060.00615.57
7.0.250.0070.00715.52
7.0.240.0030.01015.51
7.0.230.0100.00315.45
7.0.220.0070.00415.43
7.0.210.0050.00415.54
7.0.200.0040.00716.00
7.0.190.0000.01115.33
7.0.180.0030.01315.59
7.0.170.0120.00315.46
7.0.160.0000.00915.38
7.0.150.0030.00515.21
7.0.140.0030.05018.69
7.0.130.0030.00615.54
7.0.120.0080.00315.20
7.0.110.0100.03817.65
7.0.100.0000.03517.66
7.0.90.0020.03017.65
7.0.80.0080.03517.58
7.0.70.0070.02017.58
7.0.60.0070.02017.54
7.0.50.0070.04317.65
7.0.40.0050.02816.77
7.0.30.0070.04216.63
7.0.20.0020.02816.53
7.0.10.0080.03816.59
7.0.00.0120.03516.61
5.6.400.0070.00714.26
5.6.390.0040.01114.31
5.6.380.0030.00613.97
5.6.370.0060.00614.49
5.6.360.0030.01014.28
5.6.350.0070.00314.14
5.6.340.0140.00314.03
5.6.330.0040.01114.52
5.6.320.0070.00714.59
5.6.310.0030.00614.56
5.6.300.0040.01214.11
5.6.290.0000.01414.38
5.6.280.0030.04117.65
5.6.270.0080.00314.42
5.6.260.0070.03017.57
5.6.250.0130.03817.43
5.6.240.0100.02317.46
5.6.230.0090.03517.44
5.6.220.0020.02717.39
5.6.210.0070.02017.33
5.6.200.0070.02117.44
5.6.190.0040.02817.68
5.6.180.0070.03717.53
5.6.170.0070.02317.40
5.6.160.0140.01817.43
5.6.150.0060.03617.44
5.6.140.0050.03117.51
5.6.130.0030.02617.57
5.6.120.0030.02717.40
5.6.110.0100.04017.37
5.6.100.0090.02917.56
5.6.90.0020.02217.57
5.6.80.0020.02317.18
5.6.70.0030.02516.95
5.6.60.0070.03317.07
5.6.50.0100.03617.14
5.6.40.0060.02117.12
5.6.30.0060.03417.14
5.6.20.0070.03417.07
5.6.10.0070.03817.18
5.6.00.0020.04117.12
5.5.380.0040.02615.81
5.5.370.0030.03215.99
5.5.360.0000.02815.76
5.5.350.0070.02415.83
5.5.340.0070.02416.14
5.5.330.0030.04015.95
5.5.320.0070.03015.87
5.5.310.0000.02916.07
5.5.300.0030.03416.07
5.5.290.0050.02715.96
5.5.280.0080.02816.21
5.5.270.0110.03316.09
5.5.260.0070.03215.89
5.5.250.0030.02315.85
5.5.240.0050.02215.91
5.5.230.0000.02715.75
5.5.220.0030.02315.76
5.5.210.0030.02415.82
5.5.200.0080.03015.97
5.5.190.0060.04115.69
5.5.180.0030.04915.79
5.5.170.0060.00814.15
5.5.160.0080.03715.62
5.5.150.0080.02316.03
5.5.140.0060.02815.64
5.5.130.0020.03715.69
5.5.120.0030.02115.81
5.5.110.0070.03715.78
5.5.100.0100.02015.59
5.5.90.0090.02415.66
5.5.80.0050.02715.57
5.5.70.0020.02415.44
5.5.60.0000.02615.71
5.5.50.0060.02015.64
5.5.40.0070.02715.67
5.5.30.0080.02215.55
5.5.20.0070.04015.65
5.5.10.0040.04015.87
5.5.00.0050.03915.84
5.4.450.0050.02015.18
5.4.440.0030.02315.08
5.4.430.0130.03515.23
5.4.420.0070.02315.21
5.4.410.0030.03215.19
5.4.400.0000.04015.09
5.4.390.0030.02915.00
5.4.380.0030.01814.89
5.4.370.0040.02015.06
5.4.360.0050.02815.08
5.4.350.0050.03214.94
5.4.340.0070.03815.22
5.4.330.0060.00610.93
5.4.320.0070.02514.97
5.4.310.0080.03714.85
5.4.300.0060.02114.94
5.4.290.0050.02514.95
5.4.280.0020.02414.94
5.4.270.0090.03215.01
5.4.260.0050.02115.04
5.4.250.0050.03615.00
5.4.240.0030.02514.99
5.4.230.0060.03814.94
5.4.220.0000.02314.98
5.4.210.0060.03815.05
5.4.200.0070.03815.04
5.4.190.0030.02714.98
5.4.180.0100.03615.12
5.4.170.0070.03515.01
5.4.160.0030.03614.98
5.4.150.0080.02515.16
5.4.140.0030.03713.69
5.4.130.0070.03713.51
5.4.120.0070.03313.46
5.4.110.0030.02513.70
5.4.100.0040.03413.59
5.4.90.0030.04013.56
5.4.80.0070.01813.72
5.4.70.0080.03513.67
5.4.60.0050.02013.83
5.4.50.0030.04013.78
5.4.40.0020.02713.50
5.4.30.0030.03613.64
5.4.20.0100.03213.63
5.4.10.0050.02913.58
5.4.00.0050.04213.31
5.3.290.0060.03912.55
5.3.280.0030.02712.61
5.3.270.0020.02312.52
5.3.260.0040.03312.62
5.3.250.0080.03712.52
5.3.240.0030.02312.49
5.3.230.0030.04012.54
5.3.220.0050.04212.59
5.3.210.0050.02512.60
5.3.200.0050.03412.47
5.3.190.0040.03712.47
5.3.180.0080.01512.49
5.3.170.0030.02512.50
5.3.160.0030.03612.45
5.3.150.0050.02512.59
5.3.140.0040.03312.55
5.3.130.0070.01812.56
5.3.120.0040.02412.44
5.3.110.0030.03012.47
5.3.100.0020.02812.30
5.3.90.0060.03612.20
5.3.80.0100.02812.22
5.3.70.0100.03712.24
5.3.60.0000.03812.16
5.3.50.0050.02212.17
5.3.40.0030.02612.29
5.3.30.0080.03712.14
5.3.20.0090.03412.09
5.3.10.0030.02912.11
5.3.00.0070.03612.04
5.2.170.0030.03012.19
5.2.160.0070.04712.19
5.2.150.0000.03312.19
5.2.140.0030.05712.19
5.2.130.0030.04712.19
5.2.120.0030.03012.19
5.2.110.0030.05312.19
5.2.100.0100.05712.19
5.2.90.0070.04012.19
5.2.80.0070.03312.19
5.2.70.0030.05712.19
5.2.60.0000.04312.19
5.2.50.0070.03312.19
5.2.40.0030.04712.19
5.2.30.0100.04312.19
5.2.20.0100.04712.19
5.2.10.0000.06312.19
5.2.00.0000.05312.19
5.1.60.0070.05012.19
5.1.50.0000.03712.19
5.1.40.0070.03712.19
5.1.30.0070.03312.19
5.1.20.0000.03312.19
5.1.10.0030.03712.19
5.1.00.0030.03012.19
5.0.50.0030.02312.19
5.0.40.0070.02712.19
5.0.30.0030.03012.19
5.0.20.0070.01712.19
5.0.10.0030.01712.19
5.0.00.0000.05712.19
4.4.90.0100.01012.19
4.4.80.0070.02712.19
4.4.70.0070.01712.19
4.4.60.0030.01712.19
4.4.50.0030.01712.19
4.4.40.0030.03312.19
4.4.30.0030.03012.19
4.4.20.0030.02712.19
4.4.10.0000.03312.19
4.4.00.0000.02712.19
4.3.110.0070.02312.19
4.3.100.0000.02012.19
4.3.90.0000.01712.19
4.3.80.0000.04012.19
4.3.70.0000.03312.19
4.3.60.0000.01712.19
4.3.50.0030.02712.19
4.3.40.0030.04312.19
4.3.30.0030.01712.19
4.3.20.0070.01312.19
4.3.10.0000.02712.19
4.3.00.0000.02012.19

preferences:
49.14 ms | 401 KiB | 5 Q