3v4l.org

run code in 300+ PHP versions simultaneously
<?php function jsonRemoveUnicodeSequences($struct) { return preg_replace("/\\\\u([a-f0-9]{4})/e", "iconv('UCS-4LE','UTF-8',pack('V', hexdec('U$1')))", $struct); } echo jsonRemoveUnicodeSequences(" ОРД 02: Украине пригодится опыт хорватов для борьбы с \u00ab мирными сепаратистами \u00bb ");

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)
8.3.60.0110.00418.30
8.3.50.0090.00922.04
8.3.40.0070.01618.96
8.3.30.0150.00618.67
8.3.20.0000.01818.60
8.3.10.0100.01020.57
8.3.00.0030.00523.65
8.2.180.0120.00916.38
8.2.170.0140.00722.96
8.2.160.0120.00620.50
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.48
8.2.110.0090.00021.06
8.2.100.0000.01217.72
8.2.90.0050.00219.23
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0090.00017.93
8.2.50.0080.00018.07
8.2.40.0040.00417.97
8.2.30.0040.00419.66
8.2.20.0000.00717.55
8.2.10.0070.00017.47
8.2.00.0000.00817.61
8.1.280.0070.00725.92
8.1.270.0050.00323.99
8.1.260.0050.00326.35
8.1.250.0100.00728.09
8.1.240.0060.00322.47
8.1.230.0040.00820.84
8.1.220.0080.00018.77
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0070.00017.28
8.1.180.0030.00618.10
8.1.170.0080.00018.59
8.1.160.0040.00418.75
8.1.150.0000.00718.56
8.1.140.0040.00417.36
8.1.130.0070.00017.67
8.1.120.0000.00717.29
8.1.110.0000.00817.30
8.1.100.0030.00517.28
8.1.90.0000.00717.23
8.1.80.0070.00017.33
8.1.70.0030.00317.27
8.1.60.0040.00417.47
8.1.50.0030.00517.41
8.1.40.0040.00417.34
8.1.30.0040.00417.47
8.1.20.0050.00317.48
8.1.10.0040.00417.36
8.1.00.0070.00417.31
8.0.300.0040.00419.88
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.10
8.0.260.0060.00016.85
8.0.250.0050.00316.86
8.0.240.0080.00016.87
8.0.230.0080.00016.79
8.0.220.0030.00316.86
8.0.210.0030.00316.75
8.0.200.0030.00316.79
8.0.190.0040.00416.95
8.0.180.0000.00716.91
8.0.170.0030.00316.80
8.0.160.0040.00416.70
8.0.150.0070.00016.74
8.0.140.0080.00316.77
8.0.130.0000.00613.23
8.0.120.0040.00416.83
8.0.110.0050.00316.80
8.0.100.0000.00716.73
8.0.90.0070.00016.72
8.0.80.0100.00416.85
8.0.70.0050.00316.81
8.0.60.0050.00216.61
8.0.50.0030.00516.69
8.0.30.0100.00817.03
8.0.20.0080.01017.40
8.0.10.0000.00716.81
8.0.00.0080.01016.78
7.4.330.0000.00514.64
7.4.320.0000.00716.50
7.4.300.0060.00016.38
7.4.290.0000.00716.44
7.4.280.0000.00816.53
7.4.270.0000.00716.58
7.4.260.0060.00013.20
7.4.250.0000.00816.43
7.4.240.0040.00416.45
7.4.230.0000.00716.54
7.4.220.0030.01316.53
7.4.210.0060.01016.45
7.4.200.0070.00016.53
7.4.190.0000.00716.38
7.4.160.0060.00916.41
7.4.150.0090.00917.40
7.4.140.0180.00417.86
7.4.130.0130.00416.46
7.4.120.0070.01016.53
7.4.110.0130.00616.38
7.4.100.0070.01316.33
7.4.90.0120.00616.41
7.4.80.0130.00319.37
7.4.70.0030.01416.35
7.4.60.0120.00416.43
7.4.50.0000.00716.14
7.4.40.0070.01122.27
7.4.30.0020.01316.55
7.4.00.0030.01014.80
7.3.330.0000.00513.24
7.3.320.0020.00213.05
7.3.310.0030.00316.25
7.3.300.0000.00716.13
7.3.290.0100.01016.21
7.3.280.0100.00616.29
7.3.270.0090.01017.40
7.3.260.0120.00518.24
7.3.250.0070.01216.38
7.3.240.0080.00816.62
7.3.230.0160.00516.45
7.3.210.0030.01316.38
7.3.200.0140.00719.39
7.3.190.0090.01316.20
7.3.180.0120.00316.43
7.3.170.0110.00916.50
7.3.160.0160.00616.43
7.3.120.0080.00614.85
7.3.110.0080.00814.93
7.3.100.0070.00714.37
7.3.90.0090.00614.73
7.3.80.0070.01014.94
7.3.70.0030.00714.63
7.3.60.0120.00314.86
7.3.50.0000.01014.66
7.3.40.0090.00614.78
7.3.30.0030.00814.61
7.3.20.0040.01116.67
7.3.10.0110.00316.59
7.3.00.0030.01016.70
7.2.330.0100.01316.74
7.2.320.0120.00416.82
7.2.310.0130.00616.62
7.2.300.0150.00916.62
7.2.290.0030.01316.63
7.2.240.0070.01015.11
7.2.230.0030.01015.09
7.2.220.0060.00915.04
7.2.210.0120.00415.16
7.2.200.0070.01115.03
7.2.190.0000.01615.00
7.2.180.0060.00915.02
7.2.170.0000.01415.25
7.2.160.0120.00315.05
7.2.150.0070.00716.95
7.2.140.0030.01416.86
7.2.130.0040.00817.03
7.2.120.0030.00916.97
7.2.110.0120.00316.95
7.2.100.0090.00616.93
7.2.90.0000.01116.94
7.2.80.0060.00917.07
7.2.70.0060.00916.95
7.2.60.0060.00616.90
7.2.50.0120.00317.10
7.2.40.0060.00916.81
7.2.30.0030.01016.98
7.2.20.0070.00416.91
7.2.10.0040.00817.01
7.2.00.0000.01318.33
7.1.330.0030.01415.84
7.1.320.0030.01015.85
7.1.310.0070.00715.64
7.1.300.0000.01416.11
7.1.290.0070.00715.80
7.1.280.0090.00615.67
7.1.270.0070.00716.06
7.1.260.0030.00916.01
7.1.250.0000.01315.90
7.1.200.0070.00715.75
7.1.100.0070.00718.28
7.1.70.0040.00417.18
7.1.60.0070.01719.40
7.1.50.0070.01016.97
7.1.00.0070.07022.37
7.0.200.0070.00016.93
7.0.140.0100.06722.21
7.0.60.0170.08319.86
7.0.50.0000.08717.89
7.0.40.0100.06320.27
7.0.30.0200.04720.09
7.0.20.0570.06020.23
7.0.10.0370.08020.31
7.0.00.0070.04720.13
5.6.280.0130.06721.27
5.6.210.0070.04720.71
5.6.200.0030.07318.38
5.6.190.0130.07320.77
5.6.180.0230.05720.63
5.6.170.0200.05320.63
5.6.160.0130.08020.68
5.6.150.0030.05318.44
5.6.140.0170.06018.43
5.6.130.0170.06318.40
5.6.120.0230.07321.12
5.6.110.0100.04321.09
5.6.100.0130.05721.02
5.6.90.0070.05321.14
5.6.80.0100.08020.41
5.5.350.0270.07720.33
5.5.340.0070.04018.16
5.5.330.0030.07020.45
5.5.320.0300.07720.34
5.5.310.0400.07020.48
5.5.300.0070.08018.11
5.5.290.0030.08018.10
5.5.280.0000.04720.93
5.5.270.0170.08020.77
5.5.260.0030.05721.09
5.5.250.0170.06320.91
5.5.240.0170.08020.17
5.4.450.0300.05019.55
5.4.440.0330.07319.45
5.4.430.0230.08019.64
5.4.420.0230.05319.62
5.4.410.0230.05319.57
5.4.400.0400.04019.32
5.4.390.0330.07019.32
5.4.380.0370.05719.36
5.4.370.0300.06319.11
5.4.360.0500.05019.30
5.4.350.0200.05319.18
5.4.340.0730.06019.32
5.4.320.0230.04019.15
5.4.310.0370.04719.32
5.4.300.0300.04019.38
5.4.290.0270.03719.30
5.4.280.0230.08019.32
5.4.270.0230.07719.15
5.4.260.0230.05019.30
5.4.250.0270.04719.46
5.4.240.0400.06719.21
5.4.230.0300.04319.38
5.4.220.0300.05019.31
5.4.210.0270.03719.32
5.4.200.0270.04319.29
5.4.190.0170.06319.24
5.4.180.0370.04319.39
5.4.170.0300.07019.14
5.4.160.0300.06719.00
5.4.150.0300.07019.12
5.4.140.0230.03716.73
5.4.130.0370.04016.70
5.4.120.0330.06016.56
5.4.110.0300.06716.76
5.4.100.0370.07016.57
5.4.90.0270.06016.56
5.4.80.0230.07016.74
5.4.70.0270.05316.60
5.4.60.0230.07316.45
5.4.50.0270.06016.54
5.4.40.0330.06716.64
5.4.30.0370.05016.72
5.4.20.0270.04316.63
5.4.10.0370.04316.74
5.4.00.0270.04715.96
5.3.290.0270.07714.74
5.3.280.0270.05014.87
5.3.270.0370.06014.88
5.3.260.0370.05014.76
5.3.250.0230.04314.79
5.3.240.0230.04714.77
5.3.230.0270.07714.68
5.3.220.0270.06314.80
5.3.210.0300.06714.64
5.3.200.0270.07314.63
5.3.190.0400.07014.72
5.3.180.0230.07714.66
5.3.170.0330.07314.80
5.3.160.0300.06014.95
5.3.150.0270.07314.73
5.3.140.0230.05014.64
5.3.130.0330.07014.73
5.3.120.0270.04314.82
5.3.110.0300.07314.63
5.3.100.0570.03714.18
5.3.90.0300.06014.11
5.3.80.0300.05714.41
5.3.70.0230.06314.41
5.3.60.0230.04714.14
5.3.50.0270.04714.02
5.3.40.0370.06714.02
5.3.30.0230.04314.11
5.3.20.0300.05713.93
5.3.10.0370.04313.83
5.3.00.0230.04014.02
5.2.170.0170.03312.08
5.2.160.0200.03312.08
5.2.150.0230.06012.08
5.2.140.0200.03012.08
5.2.130.0230.06012.08
5.2.120.0170.04312.08
5.2.110.0370.05312.08
5.2.100.0200.03712.08
5.2.90.0200.03712.08
5.2.80.0270.04312.08
5.2.70.0230.03312.08
5.2.60.0330.03012.08
5.2.50.0170.05712.08
5.2.40.0230.04712.08
5.2.30.0230.04712.08
5.2.20.0170.04312.08
5.2.10.0170.03712.08
5.2.00.0230.03712.08
5.1.60.0170.03312.08
5.1.50.0270.05012.08
5.1.40.0170.02712.08
5.1.30.0170.03312.08
5.1.20.0170.04312.08
5.1.10.0200.02712.08
5.1.00.0100.04012.08
5.0.50.0100.05012.08
5.0.40.0130.03012.08
5.0.30.0100.06012.08
5.0.20.0130.03712.08
5.0.10.0070.04712.08
5.0.00.0070.06712.08
4.4.90.0070.02012.08
4.4.80.0270.01312.08
4.4.70.0070.02712.08
4.4.60.0170.02712.08
4.4.50.0100.02712.08
4.4.40.0070.04712.08
4.4.30.0200.01712.08
4.4.20.0100.02312.08
4.4.10.0070.02712.08
4.4.00.0130.03312.08
4.3.110.0100.03012.08
4.3.100.0170.02312.08
4.3.90.0130.02012.08
4.3.80.0070.03712.08
4.3.70.0100.01712.08
4.3.60.0130.02712.08
4.3.50.0070.03312.08
4.3.40.0070.03312.08
4.3.30.0030.01712.08
4.3.20.0070.03012.08
4.3.10.0030.02012.08
4.3.00.0000.02712.08

preferences:
42.23 ms | 401 KiB | 5 Q