3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo utf8_encode('°­©±ª±«©±«±©jbjc'); echo "<br/>"; echo utf8_decode('°­©±ª±«©±«±©jbjc');

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)
8.3.40.0070.01018.71
8.3.30.0100.00319.14
8.3.20.0000.00820.33
8.3.10.0060.00320.30
8.3.00.0040.00419.26
8.2.170.0110.00422.96
8.2.160.0030.01020.37
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00321.99
8.2.110.0060.00321.98
8.2.100.0060.00617.84
8.2.90.0080.00019.13
8.2.80.0000.00917.97
8.2.70.0000.00817.63
8.2.60.0000.00817.90
8.2.50.0040.00418.07
8.2.40.0050.00317.91
8.2.30.0030.00619.25
8.2.20.0000.00817.58
8.2.10.0000.00717.93
8.2.00.0070.00017.43
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.79
8.1.230.0060.00619.21
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0030.00617.10
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0060.00318.43
8.1.160.0040.00421.86
8.1.150.0040.00418.81
8.1.140.0070.00017.23
8.1.130.0080.00017.61
8.1.120.0050.00317.34
8.1.110.0000.00717.32
8.1.100.0030.00517.30
8.1.90.0000.00717.34
8.1.80.0040.00417.29
8.1.70.0000.00717.30
8.1.60.0030.00617.43
8.1.50.0040.00417.30
8.1.40.0120.00017.38
8.1.30.0030.00517.51
8.1.20.0050.00317.36
8.1.10.0060.00317.37
8.1.00.0050.00217.39
8.0.300.0040.00418.77
8.0.290.0030.00516.63
8.0.280.0000.00718.28
8.0.270.0070.00017.18
8.0.260.0060.00017.12
8.0.250.0000.00716.90
8.0.240.0070.00016.92
8.0.230.0000.00716.82
8.0.220.0030.00316.80
8.0.210.0070.00016.73
8.0.200.0030.00316.69
8.0.190.0080.00016.87
8.0.180.0070.00016.67
8.0.170.0050.00216.70
8.0.160.0040.00416.74
8.0.150.0000.00816.66
8.0.140.0000.00716.73
8.0.130.0060.00013.21
8.0.120.0050.00316.65
8.0.110.0040.00416.69
8.0.100.0000.00716.64
8.0.90.0030.00416.64
8.0.80.0110.00416.71
8.0.70.0070.00016.64
8.0.60.0070.00016.63
8.0.50.0080.00016.63
8.0.30.0100.01116.78
8.0.20.0100.00917.40
8.0.10.0040.00416.71
8.0.00.0100.00716.49
7.4.330.0030.00315.00
7.4.320.0000.00716.38
7.4.300.0000.00716.46
7.4.290.0000.00716.22
7.4.280.0000.00716.21
7.4.270.0080.00016.39
7.4.260.0030.00316.29
7.4.250.0000.00716.35
7.4.240.0000.00716.40
7.4.230.0070.00016.54
7.4.220.0060.02316.44
7.4.210.0060.00816.38
7.4.200.0070.00016.36
7.4.160.0130.00316.36
7.4.150.0110.00717.40
7.4.140.0110.00617.86
7.4.130.0080.00716.25
7.4.120.0050.01316.49
7.4.110.0130.00316.38
7.4.100.0070.01016.34
7.4.90.0100.00716.43
7.4.80.0030.01816.35
7.4.70.0060.01016.41
7.4.60.0180.00316.26
7.4.50.0080.00016.38
7.4.40.0120.00316.41
7.4.30.0060.01016.46
7.4.00.0090.00514.77
7.3.330.0000.00613.02
7.3.320.0000.00612.93
7.3.310.0070.00016.06
7.3.300.0030.00316.12
7.3.290.0000.01416.18
7.3.280.0100.00716.17
7.3.270.0100.01317.40
7.3.260.0090.00916.35
7.3.250.0100.00716.13
7.3.240.0030.01516.09
7.3.230.0120.00916.39
7.3.210.0110.00516.19
7.3.200.0160.00719.39
7.3.190.0100.00716.18
7.3.180.0080.00816.21
7.3.170.0140.00716.27
7.3.160.0080.00816.45
7.3.120.0070.01114.65
7.3.110.0090.00914.73
7.3.100.0030.01014.44
7.3.90.0030.01014.66
7.3.80.0040.00814.75
7.3.70.0070.00714.70
7.3.60.0110.00414.66
7.3.50.0100.00314.65
7.3.40.0040.01114.39
7.3.30.0030.01214.45
7.3.20.0030.00916.57
7.3.10.0110.00316.23
7.3.00.0070.00716.71
7.2.330.0070.01816.58
7.2.320.0060.01216.37
7.2.310.0060.02116.31
7.2.300.0100.00716.23
7.2.290.0110.00516.71
7.2.250.0030.01414.59
7.2.240.0030.01614.76
7.2.230.0060.01115.06
7.2.220.0030.01215.07
7.2.210.0030.01015.10
7.2.200.0000.01415.02
7.2.190.0030.01214.81
7.2.180.0060.01014.86
7.2.170.0000.01315.02
7.2.60.0000.01216.61
7.2.00.0040.00818.85
7.1.330.0070.00715.53
7.1.320.0040.01115.71
7.1.310.0000.01115.81
7.1.300.0030.00815.39
7.1.290.0000.00915.66
7.1.280.0080.00015.77
7.1.270.0000.01715.26
7.1.260.0050.00515.46
7.1.200.0080.00015.65
7.1.100.0070.01018.09
7.1.70.0050.00217.11
7.1.60.0070.00719.32
7.1.50.0100.00316.77
7.1.00.0030.07322.46
7.0.200.0030.00716.34
7.0.140.0000.07721.93
7.0.60.0100.03719.77
7.0.50.0030.08317.80
7.0.40.0030.06019.92
7.0.30.0300.08020.21
7.0.20.0330.07020.09
7.0.10.0070.06320.20
7.0.00.0070.06320.00
5.6.280.0030.07320.90
5.6.210.0030.08020.52
5.6.200.0070.04318.15
5.6.190.0000.04720.43
5.6.180.0470.06720.41
5.6.170.0300.07020.48
5.6.160.0030.04320.37
5.6.150.0030.05718.18
5.6.140.0070.06018.18
5.6.130.0070.03718.21
5.6.120.0030.04020.80
5.6.110.0070.06320.98
5.6.100.0030.05320.99
5.6.90.0100.06321.07
5.6.80.0000.04020.51
5.5.350.0170.05020.52
5.5.340.0070.06717.94
5.5.330.0130.08020.06
5.5.320.0330.07720.29
5.5.310.0230.08020.13
5.5.300.0070.08017.94
5.5.290.0070.06717.87
5.5.280.0130.08020.86
5.5.270.0070.08720.64
5.5.260.0030.09320.94
5.5.250.0030.04720.65
5.5.240.0100.05720.18
5.4.450.0300.05019.13
5.4.440.0830.04719.10
5.4.430.0730.05719.45
5.4.420.1030.05319.55
5.4.410.0630.06319.16
5.4.400.0830.06019.19
5.4.390.0530.06019.16
5.4.380.0300.06018.56
5.4.370.0400.04318.73
5.4.360.0330.04718.49
5.4.350.0330.05718.46
5.4.340.0370.06718.50
5.4.320.0080.03712.45
5.4.310.0100.04212.45
5.4.300.0060.03712.45
5.4.290.0080.03712.45
5.4.280.0070.04412.34
5.4.270.0100.03412.34
5.4.260.0080.03612.35
5.4.250.0070.03912.34
5.4.240.0070.03512.35
5.4.230.0060.04412.34
5.4.220.0060.03812.34
5.4.210.0070.03512.34
5.4.200.0080.03612.34
5.4.190.0060.03912.34
5.4.180.0050.03912.33
5.4.170.0050.03812.34
5.4.160.0060.03612.34
5.4.150.0080.03312.34
5.4.140.0050.03812.02
5.4.130.0040.03612.01
5.4.120.0060.03511.97
5.4.110.0060.03611.97
5.4.100.0060.03511.96
5.4.90.0050.03811.96
5.4.80.0070.03611.96
5.4.70.0070.03411.96
5.4.60.0060.03411.96
5.4.50.0070.03511.96
5.4.40.0050.03511.95
5.4.30.0080.04011.94
5.4.20.0070.03911.95
5.4.10.0090.03611.95
5.4.00.0030.03711.43
5.3.290.0080.03712.80
5.3.280.0050.03812.71
5.3.270.0060.03912.73
5.3.260.0080.04412.72
5.3.250.0060.03712.72
5.3.240.0100.03612.72
5.3.230.0070.04012.71
5.3.220.0060.03712.68
5.3.210.0100.04112.68
5.3.200.0060.03612.68
5.3.190.0100.04012.68
5.3.180.0050.03612.68
5.3.170.0050.04012.67
5.3.160.0070.04112.67
5.3.150.0080.04012.67
5.3.140.0090.03612.66
5.3.130.0080.03712.65
5.3.120.0050.04212.66
5.3.110.0070.04012.66
5.3.100.0060.03812.12
5.3.90.0110.03812.08
5.3.80.0040.04312.08
5.3.70.0070.03912.08
5.3.60.0040.03712.07
5.3.50.0100.03812.00
5.3.40.0050.03812.00
5.3.30.0040.03711.94
5.3.20.0060.03911.71
5.3.10.0030.03711.69
5.3.00.0080.03611.68
5.2.170.0050.0309.18
5.2.160.0050.0339.18
5.2.150.0070.0369.18
5.2.140.0040.0349.17
5.2.130.0060.0299.14
5.2.120.0060.0319.13
5.2.110.0050.0379.14
5.2.100.0040.0309.13
5.2.90.0070.0319.14
5.2.80.0070.0359.13
5.2.70.0050.0329.13
5.2.60.0070.0359.09
5.2.50.0050.0369.05
5.2.40.0070.0359.03
5.2.30.0070.0309.01
5.2.20.0080.0258.99
5.2.10.0040.0368.91
5.2.00.0030.0358.77
5.1.60.0060.0268.06
5.1.50.0040.0348.05
5.1.40.0070.0238.04
5.1.30.0080.0298.39
5.1.20.0060.0308.41
5.1.10.0010.0288.13
5.1.00.0040.0318.13
5.0.50.0040.0266.61
5.0.40.0030.0266.47
5.0.30.0020.0346.29
5.0.20.0030.0226.25
5.0.10.0030.0236.23
5.0.00.0050.0286.22
4.4.90.0020.0224.78
4.4.80.0000.0174.76
4.4.70.0020.0234.75
4.4.60.0040.0194.75
4.4.50.0050.0164.77
4.4.40.0030.0274.71
4.4.30.0030.0194.76
4.4.20.0030.0254.84
4.4.10.0020.0224.85
4.4.00.0030.0294.76
4.3.110.0030.0204.67
4.3.100.0030.0144.66
4.3.90.0030.0164.63
4.3.80.0020.0264.58
4.3.70.0010.0174.63
4.3.60.0030.0134.63
4.3.50.0020.0194.63
4.3.40.0040.0304.53
4.3.30.0010.0233.27
4.3.20.0030.0183.25
4.3.10.0020.0193.22
4.3.00.0000.0236.77

preferences:
50.32 ms | 400 KiB | 5 Q