3v4l.org

run code in 300+ PHP versions simultaneously
<?php class utils { function replace_unicode_escape_sequence($match) { return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE'); } public static function to_decode($str) { return "hej"; } } $str = '{"name":"F\u00f6retag: Betalning"}'; echo utils::to_decode($str);

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)
8.3.60.0120.00916.38
8.3.50.0130.00622.04
8.3.40.0180.00018.67
8.3.30.0030.01019.04
8.3.20.0040.00420.29
8.3.10.0050.00323.52
8.3.00.0000.00820.84
8.2.180.0150.00018.04
8.2.170.0130.00318.86
8.2.160.0000.01322.96
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0080.00022.11
8.2.110.0030.00622.15
8.2.100.0110.00017.72
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0090.00017.80
8.2.50.0060.00318.07
8.2.40.0080.00418.34
8.2.30.0040.00418.15
8.2.20.0080.00017.64
8.2.10.0040.00418.04
8.2.00.0040.00417.61
8.1.280.0030.01025.92
8.1.270.0000.00822.17
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.77
8.1.230.0040.00719.00
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0030.00617.23
8.1.190.0030.00617.13
8.1.180.0080.00019.01
8.1.170.0050.00318.30
8.1.160.0030.00621.83
8.1.150.0040.00418.45
8.1.140.0040.00417.30
8.1.130.0030.00317.86
8.1.120.0030.00417.44
8.1.110.0000.00717.39
8.1.100.0070.00017.29
8.1.90.0040.00417.43
8.1.80.0060.00317.42
8.1.70.0070.00017.36
8.1.60.0030.00617.59
8.1.50.0040.00417.48
8.1.40.0040.00817.50
8.1.30.0040.00417.64
8.1.20.0050.00317.63
8.1.10.0040.00417.54
8.1.00.0040.00417.47
8.0.300.0030.00520.43
8.0.290.0070.00017.18
8.0.280.0050.00218.45
8.0.270.0070.00017.13
8.0.260.0030.00317.27
8.0.250.0030.00316.84
8.0.240.0050.00316.97
8.0.230.0000.00716.88
8.0.220.0080.00016.84
8.0.210.0000.00716.84
8.0.200.0000.00616.83
8.0.190.0040.00416.85
8.0.180.0000.00816.74
8.0.170.0040.00416.78
8.0.160.0040.00416.79
8.0.150.0050.00216.76
8.0.140.0000.00716.73
8.0.130.0000.00513.22
8.0.120.0040.00416.66
8.0.110.0050.00216.82
8.0.100.0100.00016.73
8.0.90.0050.00316.89
8.0.80.0130.00316.88
8.0.70.0040.00416.66
8.0.60.0040.00416.83
8.0.50.0040.00416.66
8.0.30.0120.00716.98
8.0.20.0120.00817.40
8.0.10.0040.00416.83
8.0.00.0100.01116.74
7.4.330.0050.00015.00
7.4.320.0060.00016.57
7.4.300.0060.00016.64
7.4.290.0050.00516.53
7.4.280.0070.00016.56
7.4.270.0000.00716.50
7.4.260.0000.00716.60
7.4.250.0050.00216.45
7.4.240.0030.00316.54
7.4.230.0070.00016.68
7.4.220.0100.00716.46
7.4.210.0100.00516.56
7.4.200.0070.00016.30
7.4.190.0050.00216.69
7.4.160.0070.01016.38
7.4.150.0030.01417.40
7.4.140.0030.01517.86
7.4.130.0120.00616.41
7.4.120.0110.00816.42
7.4.110.0030.01416.42
7.4.100.0040.01516.65
7.4.90.0090.00916.58
7.4.80.0100.01319.39
7.4.70.0090.00916.44
7.4.60.0140.00716.36
7.4.50.0030.00516.41
7.4.40.0050.01116.34
7.4.30.0040.01316.17
7.4.00.0160.00015.16
7.3.330.0000.00513.18
7.3.320.0050.00013.18
7.3.310.0000.00816.04
7.3.300.0030.00316.24
7.3.290.0100.00616.28
7.3.280.0100.01016.20
7.3.270.0100.00617.40
7.3.260.0110.00616.51
7.3.250.0120.00516.18
7.3.240.0130.00716.40
7.3.230.0100.00716.39
7.3.210.0080.00916.13
7.3.200.0100.00719.39
7.3.190.0070.01416.45
7.3.180.0100.00616.27
7.3.170.0100.00616.27
7.3.160.0070.00716.41
7.3.120.0000.01514.95
7.2.330.0030.01716.27
7.2.320.0080.01216.32
7.2.310.0120.00616.33
7.2.300.0100.01016.47
7.2.290.0060.01216.62
7.2.00.0000.01119.36
7.1.100.0030.00917.86
7.1.70.0000.01017.21
7.1.60.0070.01619.46
7.1.50.0130.01316.56
7.1.00.0030.07722.30
7.0.200.0000.00816.73
7.0.140.0070.07022.07
7.0.100.0070.08019.95
7.0.90.0170.06719.92
7.0.80.0070.08019.91
7.0.70.0130.07319.96
7.0.60.0130.07720.00
7.0.50.0170.07320.17
7.0.40.0130.06720.15
7.0.30.0130.08020.11
7.0.20.0170.07720.10
7.0.10.0100.08020.05
7.0.00.0170.05720.04
5.6.280.0000.07321.09
5.6.250.0070.08720.73
5.6.240.0170.07320.74
5.6.230.0130.07320.57
5.6.220.0070.08320.66
5.6.210.0030.05320.53
5.6.200.0070.07021.08
5.6.190.0070.08320.91
5.6.180.0070.08721.18
5.6.170.0030.08320.95
5.6.160.0130.07321.03
5.6.150.0130.07021.14
5.6.140.0030.07321.04
5.6.130.0000.09021.02
5.6.120.0100.08321.14
5.6.110.0100.08321.17
5.6.100.0070.08020.93
5.6.90.0130.07721.07
5.6.80.0170.07020.41
5.6.70.0100.07720.32
5.6.60.0070.07720.46
5.6.50.0170.06320.43
5.6.40.0100.05020.37
5.6.30.0130.07320.54
5.6.20.0030.08720.37
5.6.10.0070.05020.41
5.6.00.0000.08320.29
5.5.380.0100.05320.50
5.5.370.0000.06020.39
5.5.360.0170.07320.34
5.5.350.0030.07020.46
5.5.340.0130.07720.89
5.5.330.0030.05320.93
5.5.320.0100.06020.90
5.5.310.0130.07320.93
5.5.300.0100.06720.84
5.5.290.0100.07320.89
5.5.280.0070.09020.89
5.5.270.0130.04020.88
5.5.260.0100.08020.83
5.5.250.0130.07320.69
5.5.240.0130.07320.24
5.5.230.0030.06020.21
5.5.220.0100.07720.27
5.5.210.0200.06720.02
5.5.200.0030.08320.09
5.5.190.0130.07020.28
5.5.180.0070.08020.14
5.5.160.0170.06720.20
5.5.150.0070.07720.22
5.5.140.0130.03720.27
5.5.130.0070.04020.19
5.5.120.0030.08020.24
5.5.110.0100.07720.29
5.5.100.0000.08020.02
5.5.90.0000.05020.11
5.5.80.0030.07320.16
5.5.70.0000.05319.92
5.5.60.0200.07020.06
5.5.50.0100.06320.06
5.5.40.0000.06320.04
5.5.30.0030.04320.15
5.5.20.0070.03720.05
5.5.10.0100.05020.01
5.5.00.0070.03720.06
5.4.450.0100.04019.18
5.4.440.0070.07719.46
5.4.430.0030.08719.37
5.4.420.0070.07319.48
5.4.410.0100.06719.36
5.4.400.0030.07719.05
5.4.390.0030.04719.03
5.4.380.0130.06019.21
5.4.370.0130.07019.04
5.4.360.0030.08019.18
5.4.350.0000.08319.15
5.4.340.0030.07318.91
5.4.320.0100.07719.09
5.4.310.0030.07319.12
5.4.300.0200.05719.03
5.4.290.0070.07019.12
5.4.280.0070.08319.04
5.4.270.0000.06719.23
5.4.260.0030.08019.23
5.4.250.0070.06319.13
5.4.240.0070.08018.84
5.4.230.0100.03719.20
5.4.220.0070.07319.20
5.4.210.0130.04719.16
5.4.200.0130.06719.09
5.4.190.0000.07718.86
5.4.180.0000.04319.14
5.4.170.0070.03719.16
5.4.160.0070.03719.12
5.4.150.0030.03719.10
5.4.140.0030.03716.47
5.4.130.0030.03316.34
5.4.120.0070.03316.46
5.4.110.0000.04316.40
5.4.100.0000.03716.44
5.4.90.0000.05016.34
5.4.80.0130.02316.50
5.4.70.0030.03316.47
5.4.60.0100.04716.42
5.4.50.0030.03316.34
5.4.40.0000.05316.54
5.4.30.0100.02716.41
5.4.20.0070.05016.45
5.4.10.0100.04716.30
5.4.00.0070.05015.94
5.3.290.0070.07714.72
5.3.280.0200.06714.57
5.3.270.0000.04014.59
5.3.260.0070.03714.71
5.3.250.0200.02714.67
5.3.240.0070.05314.66
5.3.230.0000.04014.71
5.3.220.0070.03314.60
5.3.210.0000.04014.69
5.3.200.0000.03714.64
5.3.190.0070.03314.63
5.3.180.0070.03314.55
5.3.170.0030.03714.59
5.3.160.0030.04314.70
5.3.150.0030.07014.70
5.3.140.0030.08014.59
5.3.130.0000.04314.67
5.3.120.0130.06714.56
5.3.110.0070.04314.64
5.3.100.0100.03714.05
5.3.90.0070.05014.00
5.3.80.0100.02714.13
5.3.70.0070.04013.91
5.3.60.0030.06314.14
5.3.50.0030.04014.05
5.3.40.0030.03713.96
5.3.30.0000.03713.90
5.3.20.0000.04013.67
5.3.10.0070.03313.72
5.3.00.0030.03313.68
5.2.170.0070.03312.14
5.2.160.0000.02712.14
5.2.150.0000.03312.14
5.2.140.0070.02712.14
5.2.130.0000.03012.14
5.2.120.0030.02712.14
5.2.110.0030.05012.14
5.2.100.0030.02712.14
5.2.90.0000.03012.14
5.2.80.0000.03312.14
5.2.70.0030.03012.14
5.2.60.0000.03012.14
5.2.50.0030.02712.14
5.2.40.0100.02012.14
5.2.30.0000.03012.14
5.2.20.0030.03012.14
5.2.10.0030.02712.14
5.2.00.0070.02712.14
5.1.60.0000.03712.14
5.1.50.0000.03012.14
5.1.40.0070.02012.14
5.1.30.0070.02012.14
5.1.20.0030.02312.14
5.1.10.0000.02312.14
5.1.00.0000.04012.14
5.0.50.0000.02712.14
5.0.40.0000.02012.14
5.0.30.0030.02712.14
5.0.20.0000.02012.14
5.0.10.0000.02712.14
5.0.00.0030.06012.14
4.4.90.0000.01712.14
4.4.80.0000.01712.14
4.4.70.0070.01312.14
4.4.60.0000.01312.14
4.4.50.0030.01312.14
4.4.40.0000.02012.14
4.4.30.0000.01712.14
4.4.20.0000.01712.14
4.4.10.0000.01712.14
4.4.00.0030.02312.14
4.3.110.0030.01312.14
4.3.100.0000.01312.14
4.3.90.0030.01712.14
4.3.80.0030.03012.14
4.3.70.0000.03712.14
4.3.60.0000.03712.14
4.3.50.0030.03312.14
4.3.40.0070.04012.14
4.3.30.0030.03712.14
4.3.20.0000.03712.14
4.3.10.0000.04012.14
4.3.00.0000.03712.14

preferences:
51.89 ms | 401 KiB | 5 Q