3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(array("äöü"."-".utf8_encode("äöü")."-".utf8_encode(utf8_encode("äöü"))."-".mb_convert_encoding("äöü", 'UTF-8')."-".mb_convert_encoding(utf8_encode("äöü"), '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)
8.3.70.0060.01216.75
8.3.60.0090.00918.68
8.3.50.0110.00522.82
8.3.40.0160.00618.87
8.3.30.0000.01419.18
8.3.20.0070.00020.34
8.3.10.0080.00023.52
8.3.00.0040.00419.38
8.2.190.0140.00416.75
8.2.180.0130.00616.63
8.2.170.0040.01122.96
8.2.160.0090.00620.33
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.87
8.2.110.0030.00620.99
8.2.100.0090.00317.91
8.2.90.0030.00617.97
8.2.80.0060.00317.97
8.2.70.0000.00817.75
8.2.60.0070.00017.80
8.2.50.0060.00618.07
8.2.40.0050.00318.03
8.2.30.0070.00017.98
8.2.20.0040.00417.70
8.2.10.0000.00717.88
8.2.00.0000.00817.70
8.1.280.0220.00025.92
8.1.270.0000.00823.89
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0040.00721.05
8.1.220.0030.00617.74
8.1.210.0040.00418.85
8.1.200.0030.00717.23
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0000.00818.57
8.1.160.0040.00422.14
8.1.150.0040.00418.80
8.1.140.0030.00517.46
8.1.130.0000.00617.68
8.1.120.0020.00517.54
8.1.110.0070.00017.44
8.1.100.0040.00417.51
8.1.90.0030.00317.52
8.1.80.0040.00417.52
8.1.70.0000.00717.40
8.1.60.0060.00317.57
8.1.50.0000.00717.42
8.1.40.0090.00017.40
8.1.30.0050.00317.62
8.1.20.0000.00717.66
8.1.10.0040.00417.42
8.1.00.0000.00717.32
8.0.300.0060.00319.98
8.0.290.0040.00416.75
8.0.280.0000.00718.35
8.0.270.0070.00017.20
8.0.260.0030.00317.27
8.0.250.0030.00316.80
8.0.240.0030.00316.92
8.0.230.0000.00716.95
8.0.220.0030.00316.81
8.0.210.0070.00016.77
8.0.200.0040.00416.99
8.0.190.0030.00516.86
8.0.180.0070.00016.90
8.0.170.0040.00416.99
8.0.160.0000.00716.75
8.0.150.0040.00416.76
8.0.140.0040.00416.80
8.0.130.0030.00313.37
8.0.120.0050.00316.85
8.0.110.0000.00816.87
8.0.100.0030.00516.87
8.0.90.0040.00417.02
8.0.80.0120.00916.93
8.0.70.0000.00716.88
8.0.60.0000.00716.80
8.0.50.0000.00816.77
8.0.30.0070.01317.12
8.0.20.0070.01217.40
8.0.10.0000.00717.00
8.0.00.0150.00616.75
7.4.330.0050.00015.03
7.4.320.0070.00016.53
7.4.300.0030.00316.55
7.4.290.0040.00416.53
7.4.280.0000.00716.49
7.4.270.0000.00716.63
7.4.260.0070.00016.61
7.4.250.0080.00016.61
7.4.240.0000.00716.60
7.4.230.0030.00316.61
7.4.220.0040.01516.56
7.4.210.0090.00416.56
7.4.200.0030.00316.61
7.4.160.0150.00416.64
7.4.150.0070.01117.40
7.4.140.0020.01617.86
7.4.130.0120.00516.62
7.4.120.0060.01016.53
7.4.110.0100.00716.40
7.4.100.0060.01816.46
7.4.90.0140.00316.36
7.4.80.0140.00319.39
7.4.70.0160.00016.43
7.4.60.0060.01016.28
7.4.50.0000.00816.50
7.4.40.0130.00416.44
7.4.30.0120.00316.36
7.4.00.0060.00615.13
7.3.330.0020.00213.17
7.3.320.0020.00213.12
7.3.310.0000.00716.21
7.3.300.0000.00716.24
7.3.290.0120.00316.30
7.3.280.0050.01016.28
7.3.270.0140.00417.40
7.3.260.0090.01216.37
7.3.250.0100.00716.25
7.3.240.0130.00316.34
7.3.230.0000.02116.50
7.3.210.0070.01016.21
7.3.200.0090.00919.39
7.3.190.0060.00916.21
7.3.180.0040.01116.15
7.3.170.0200.00016.27
7.3.160.0080.00816.38
7.3.10.0110.00716.42
7.3.00.0090.00916.68
7.2.330.0150.00316.53
7.2.320.0130.01016.59
7.2.310.0150.00316.70
7.2.300.0040.01416.50
7.2.290.0060.01016.50
7.2.130.0060.00916.64
7.2.120.0100.00316.88
7.2.110.0070.01016.72
7.2.100.0040.01116.47
7.2.90.0110.00917.16
7.2.80.0100.00617.09
7.2.70.0030.00817.10
7.2.60.0070.00716.63
7.2.50.0070.00716.72
7.2.40.0040.00816.82
7.2.30.0220.00316.54
7.2.20.0070.01416.96
7.2.10.0030.01016.81
7.2.00.0060.00617.98
7.1.250.0000.01315.45
7.1.200.0120.01115.63
7.1.100.0090.00017.86
7.1.70.0000.00717.13
7.1.60.2200.01033.11
7.1.50.0160.00916.81
7.1.00.0070.07322.28
7.0.200.0090.00616.72
7.0.140.0000.07322.01
7.0.90.0070.05019.87
7.0.80.0100.07319.91
7.0.70.0070.06019.94
7.0.60.0170.04019.95
7.0.50.0170.07320.37
7.0.40.0070.04320.18
7.0.30.0070.05720.14
7.0.20.0000.07720.00
7.0.10.0100.07320.03
7.0.00.0200.08020.18
5.6.280.0070.06721.07
5.6.240.0070.08720.49
5.6.230.0030.07320.56
5.6.220.0100.07720.73
5.6.210.0070.07320.74
5.6.200.0070.05721.08
5.6.190.0030.09021.00
5.6.180.0130.07021.02
5.6.170.0070.04720.95
5.6.160.0170.05721.02
5.6.150.0100.04721.08
5.6.140.0100.04021.11
5.6.130.0000.08321.10
5.6.120.0030.09020.95
5.6.110.0000.04721.07
5.6.100.0070.07021.04
5.6.90.0170.07321.02
5.6.80.0130.07720.43
5.6.70.0070.08020.48
5.6.60.0070.07720.47
5.6.50.0130.07320.49
5.6.40.0000.05320.30
5.6.30.0130.07320.43
5.6.20.0070.05320.44
5.6.10.0100.07320.30
5.6.00.0100.04720.38
5.5.380.0070.05320.36
5.5.370.0030.06320.45
5.5.360.0070.07720.33
5.5.350.0100.08020.47
5.5.340.0100.08720.79
5.5.330.0100.06020.82
5.5.320.0030.09020.89
5.5.310.0000.09020.64
5.5.300.0130.04020.82
5.5.290.0030.09020.91
5.5.280.0030.04320.90
5.5.270.0000.07320.81
5.5.260.0030.08320.89
5.5.250.0030.04020.60
5.5.240.0170.07320.30
5.5.230.0200.06020.20
5.5.220.0070.04320.26
5.5.210.0070.07720.11
5.5.200.0070.04320.25
5.5.190.0130.06720.14
5.5.180.0030.08320.26
5.5.160.0170.03720.26
5.5.150.0070.04020.23
5.5.140.0100.06320.23
5.5.130.0100.06320.26
5.5.120.0100.08020.22
5.5.110.0030.04320.20
5.5.100.0000.04320.11
5.5.90.0070.05720.09
5.5.80.0100.06320.15
5.5.70.0170.05320.08
5.5.60.0170.06719.95
5.5.50.0070.06320.05
5.5.40.0100.07720.11
5.5.30.0100.08019.97
5.5.20.0100.03720.14
5.5.10.0100.07320.07
5.5.00.0070.04720.10
5.4.450.0070.07319.45
5.4.440.0030.04019.55
5.4.430.0030.03719.29
5.4.420.0030.04319.46
5.4.410.0000.04319.32
5.4.400.0100.06318.96
5.4.390.0070.07718.95
5.4.380.0070.05019.07
5.4.370.0030.04018.78
5.4.360.0030.06319.07
5.4.350.0030.04018.94
5.4.340.0100.05019.08
5.4.320.0070.07718.81
5.4.310.0070.07318.99
5.4.300.0070.04719.05
5.4.290.0070.07319.05
5.4.280.0030.07319.03
5.4.270.0200.05019.09
5.4.260.0170.04318.95
5.4.250.0130.07019.02
5.4.240.0070.08019.12
5.4.230.0030.07719.04
5.4.220.0030.05019.02
5.4.210.0100.05718.80
5.4.200.0070.07718.77
5.4.190.0100.07319.01
5.4.180.0100.06718.96
5.4.170.0070.04019.06
5.4.160.0030.04319.05
5.4.150.0030.04319.21
5.4.140.0070.04716.23
5.4.130.0070.03016.23
5.4.120.0030.03716.32
5.4.110.0000.04016.25
5.4.100.0000.04016.38
5.4.90.0070.03016.45
5.4.80.0030.03316.29
5.4.70.0030.03716.39
5.4.60.0000.03316.23
5.4.50.0070.03716.31
5.4.40.0030.03716.33
5.4.30.0070.02716.41
5.4.20.0000.03716.38
5.4.10.0000.03716.18
5.4.00.0030.03715.76
5.3.290.0000.04314.64
5.3.280.0070.05714.50
5.3.270.0100.04714.47
5.3.260.0030.04714.60
5.3.250.0070.03714.59
5.3.240.0030.04314.51
5.3.230.0000.04014.59
5.3.220.0030.04714.43
5.3.210.0070.03714.42
5.3.200.0030.03314.42
5.3.190.0000.04014.55
5.3.180.0070.03314.56
5.3.170.0070.03314.52
5.3.160.0070.03314.54
5.3.150.0000.04014.55
5.3.140.0030.03714.56
5.3.130.0070.03314.41
5.3.120.0000.04014.55
5.3.110.0070.03314.53
5.3.100.0030.04713.98
5.3.90.0000.05013.96
5.3.80.0030.04013.95
5.3.70.0030.03714.00
5.3.60.0070.03313.96
5.3.50.0030.03313.90
5.3.40.0030.03713.94
5.3.30.0030.03313.90
5.3.20.0030.03313.55
5.3.10.0000.03713.42
5.3.00.0030.03713.39
5.2.170.0000.03011.13
5.2.160.0030.02711.14
5.2.150.0030.02711.13
5.2.140.0030.03311.13
5.2.130.0030.02710.96
5.2.120.0000.02710.88
5.2.110.0070.02011.05
5.2.100.0100.03010.95
5.2.90.0070.04010.91
5.2.80.0000.03010.95
5.2.70.0100.02011.09
5.2.60.0000.03011.00
5.2.50.0000.03310.93
5.2.40.0070.02310.78
5.2.30.0000.03311.00
5.2.20.0030.02710.98
5.2.10.0000.03010.91
5.2.00.0070.02310.75
5.1.60.0070.0179.99
5.1.50.0030.02310.03
5.1.40.0070.02010.04
5.1.30.0000.02710.39
5.1.20.0000.02710.25
5.1.10.0000.02710.10
5.1.00.0030.02010.05
5.0.50.0030.0208.58
5.0.40.0070.0138.29
5.0.30.0000.0308.21
5.0.20.0000.0208.28
5.0.10.0000.0208.20
5.0.00.0070.0238.14
4.4.90.0000.0177.60
4.4.80.0000.0207.60
4.4.70.0000.0137.60
4.4.60.0000.0137.60
4.4.50.0000.0177.60
4.4.40.0000.0237.60
4.4.30.0000.0137.60
4.4.20.0030.0137.60
4.4.10.0030.0137.60
4.4.00.0030.0237.60
4.3.110.0000.0307.60
4.3.100.0000.0137.60
4.3.90.0000.0177.60
4.3.80.0000.0237.60
4.3.70.0000.0177.60
4.3.60.0000.0207.60
4.3.50.0000.0377.60
4.3.40.0030.0407.60
4.3.30.0100.0277.60
4.3.20.0030.0377.60
4.3.10.0030.0377.60
4.3.00.0030.0337.60

preferences:
48.22 ms | 401 KiB | 5 Q