3v4l.org

run code in 300+ PHP versions simultaneously
<?php class utils { public static function replace_unicode_escape_sequence($str) { return preg_replace_callback('/\\\\u([0-9a-f]{4})/i', function ($match) { return mb_convert_encoding(pack('H*', $match[1]), 'iso-8859-1', 'UCS-2BE'); }, $str); } } header('Content-Type: text/plain; charset=iso-8859-1'); $strs = 'F\u00f6retag: Betalning'; /*echo utils::replace_unicode_escape_sequence($str);*/ function unicode_escape_sequences($str){return preg_replace('/\\\u([0-9a-z]{4})/', '&#x$1;', $str);} echo htmlentities($strs);

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)
8.3.60.0070.00716.50
8.3.50.0160.00521.89
8.3.40.0100.01018.89
8.3.30.0170.00318.84
8.3.20.0040.00420.34
8.3.10.0040.00423.48
8.3.00.0040.00420.84
8.2.180.0120.00318.16
8.2.170.0110.00422.96
8.2.160.0030.01020.48
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00720.57
8.2.110.0030.00622.08
8.2.100.0000.01217.78
8.2.90.0000.00817.63
8.2.80.0030.00519.17
8.2.70.0040.00417.80
8.2.60.0080.00018.03
8.2.50.0050.00218.10
8.2.40.0030.00522.37
8.2.30.0070.00018.32
8.2.20.0000.00717.72
8.2.10.0000.00717.90
8.2.00.0040.00417.56
8.1.280.0080.00825.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0060.00323.90
8.1.230.0040.00818.97
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0000.00821.96
8.1.150.0050.00218.57
8.1.140.0040.00817.34
8.1.130.0030.00317.77
8.1.120.0000.00717.41
8.1.110.0000.01017.40
8.1.100.0020.00517.30
8.1.90.0070.00017.42
8.1.80.0050.00217.40
8.1.70.0000.00717.30
8.1.60.0000.00817.41
8.1.50.0000.00817.32
8.1.40.0000.00817.49
8.1.30.0040.00417.48
8.1.20.0040.00417.49
8.1.10.0040.00417.50
8.1.00.0060.00317.52
8.0.300.0030.00619.64
8.0.290.0000.00816.75
8.0.280.0070.00018.43
8.0.270.0000.00717.27
8.0.260.0030.00317.18
8.0.250.0030.00316.97
8.0.240.0040.00416.96
8.0.230.0040.00416.88
8.0.220.0040.00416.88
8.0.210.0050.00316.89
8.0.200.0070.00016.80
8.0.190.0040.00416.80
8.0.180.0000.00716.85
8.0.170.0040.00416.91
8.0.160.0040.00416.86
8.0.150.0030.00316.77
8.0.140.0000.00816.77
8.0.130.0000.00613.26
8.0.120.0090.00016.71
8.0.110.0040.00416.88
8.0.100.0040.00416.80
8.0.90.0000.00716.69
8.0.80.0090.01316.83
8.0.70.0070.00016.67
8.0.60.0070.00016.78
8.0.50.0030.00516.73
8.0.30.0140.00817.14
8.0.20.0070.01217.40
8.0.10.0070.00016.82
8.0.00.0100.00816.91
7.4.330.0060.00015.00
7.4.320.0060.00016.47
7.4.300.0030.00316.47
7.4.290.0000.00716.59
7.4.280.0000.00916.54
7.4.270.0000.00716.45
7.4.260.0000.00616.50
7.4.250.0040.00416.27
7.4.240.0000.00716.42
7.4.230.0030.00316.57
7.4.220.0110.00616.43
7.4.210.0090.00516.52
7.4.200.0070.00016.36
7.4.190.0000.00716.41
7.4.160.0120.00316.43
7.4.150.0160.00017.40
7.4.140.0120.00717.86
7.4.130.0070.01016.40
7.4.120.0130.00416.64
7.4.110.0080.01116.39
7.4.100.0070.01116.49
7.4.90.0150.00316.34
7.4.80.0090.00919.39
7.4.70.0100.01316.39
7.4.60.0130.00316.38
7.4.50.0000.00916.18
7.4.40.0100.00716.49
7.4.30.0100.00716.36
7.4.00.0060.01114.77
7.3.330.0020.00213.12
7.3.320.0000.00513.00
7.3.310.0030.00316.24
7.3.300.0030.00316.16
7.3.290.0060.00916.22
7.3.280.0040.01416.20
7.3.270.0000.02317.40
7.3.260.0100.01016.20
7.3.250.0100.00916.35
7.3.240.0070.01016.26
7.3.230.0080.01116.39
7.3.210.0170.00016.42
7.3.200.0090.00919.39
7.3.190.0120.00916.40
7.3.180.0080.00816.00
7.3.170.0060.00916.54
7.3.160.0060.00916.47
7.3.120.0070.00714.76
7.3.110.0080.00414.83
7.3.100.0030.01214.96
7.3.90.0060.00914.73
7.3.80.0030.01414.62
7.3.70.0040.00714.49
7.3.60.0050.00314.68
7.3.50.0070.00714.61
7.3.40.0120.00314.78
7.3.30.0030.01314.68
7.3.20.0060.00616.33
7.3.10.0040.00816.15
7.3.00.0070.00316.69
7.2.330.0150.00416.60
7.2.320.0130.00316.68
7.2.310.0030.01316.62
7.2.300.0150.00016.50
7.2.290.0120.00416.55
7.2.250.0110.00814.82
7.2.240.0030.01314.97
7.2.230.0070.00715.10
7.2.220.0000.01414.79
7.2.210.0040.00715.14
7.2.200.0070.00414.68
7.2.190.0070.00314.90
7.2.180.0030.00614.71
7.2.170.0030.01514.91
7.2.00.0030.01318.97
7.1.330.0060.00915.91
7.1.320.0030.01015.82
7.1.310.0060.00915.57
7.1.300.0030.00715.71
7.1.290.0100.00315.68
7.1.280.0030.00615.52
7.1.270.0090.00415.75
7.1.260.0000.00815.59
7.1.100.0110.00917.71
7.1.70.0050.00517.29
7.1.60.0110.01419.46
7.1.50.0130.00616.86
7.1.00.0030.07722.51
7.0.200.0070.00016.73
7.0.140.0000.07321.96
7.0.80.0270.06719.96
7.0.70.0130.04319.95
7.0.60.0070.08020.04
7.0.50.0100.08020.33
7.0.40.0100.03719.95
7.0.30.0100.07020.17
7.0.20.0100.04020.13
7.0.10.0070.04020.09
7.0.00.0030.09320.14
5.6.280.0000.07720.82
5.6.230.0000.05320.61
5.6.220.0100.08020.59
5.6.210.0170.06020.59
5.6.200.0130.08321.04
5.6.190.0070.06721.07
5.6.180.0130.05021.06
5.6.170.0100.07721.04
5.6.160.0030.04321.03
5.6.150.0100.08321.04
5.6.140.0070.06321.05
5.6.130.0130.07721.11
5.6.120.0070.04721.01
5.6.110.0030.06021.12
5.6.100.0070.04020.93
5.6.90.0170.06721.05
5.6.80.0000.06320.54
5.6.70.0000.04320.47
5.6.60.0070.04020.43
5.6.50.0070.04320.44
5.6.40.0070.03720.42
5.6.30.0070.03720.45
5.6.20.0100.03320.39
5.6.10.0100.03020.39
5.6.00.0030.04020.46
5.5.370.0070.05320.36
5.5.360.0100.06320.42
5.5.350.0130.06020.46
5.5.340.0130.08320.77
5.5.330.0100.04020.94
5.5.320.0170.05320.75
5.5.310.0100.05020.79
5.5.300.0030.08020.87
5.5.290.0030.04720.76
5.5.280.0030.06020.79
5.5.270.0000.04720.83
5.5.260.0070.04320.64
5.5.250.0130.05720.63
5.5.240.0170.03320.04
5.5.230.0070.06320.20
5.5.220.0030.04020.30
5.5.210.0030.03720.30
5.5.200.0070.03720.13
5.5.190.0030.04320.01
5.5.180.0000.04320.26
5.5.160.0030.04020.10
5.5.150.0100.03320.14
5.5.140.0070.03020.19
5.5.130.0130.03020.15
5.5.120.0100.02720.09
5.5.110.0070.04720.10
5.5.100.0070.03720.09
5.5.90.0000.04720.06
5.5.80.0000.04720.02
5.5.70.0000.04320.10
5.5.60.0030.03319.96
5.5.50.0100.03320.05
5.5.40.0030.06320.05
5.5.30.0100.03320.07
5.5.20.0170.02720.06
5.5.10.0070.05020.05
5.5.00.0070.04020.05
5.4.450.0100.04019.38
5.4.440.0100.06319.27
5.4.430.0030.05019.37
5.4.420.0070.04319.48
5.4.410.0030.04319.36
5.4.400.0130.03018.99
5.4.390.0070.03718.88
5.4.380.0070.04319.03
5.4.370.0030.03719.13
5.4.360.0130.03018.84
5.4.350.0030.03719.09
5.4.340.0070.03719.04
5.4.320.0000.05319.02
5.4.310.0070.03719.18
5.4.300.0070.02719.12
5.4.290.0030.03719.13
5.4.280.0000.04019.09
5.4.270.0000.06319.18
5.4.260.0030.03719.22
5.4.250.0070.04719.03
5.4.240.0030.03719.19
5.4.230.0030.03019.24
5.4.220.0100.06318.86
5.4.210.0030.03719.20
5.4.200.0030.04019.02
5.4.190.0000.04019.12
5.4.180.0070.03019.08
5.4.170.0100.03319.14
5.4.160.0030.03718.89
5.4.150.0000.03719.01
5.4.140.0070.04316.52
5.4.130.0030.03716.40
5.4.120.0000.04716.48
5.4.110.0000.04016.50
5.4.100.0000.04716.48
5.4.90.0030.03016.56
5.4.80.0000.03316.38
5.4.70.0030.05716.51
5.4.60.0000.04016.48
5.4.50.0130.02716.37
5.4.40.0070.03316.52
5.4.30.0030.04016.33
5.4.20.0070.03316.41
5.4.10.0130.06716.39
5.4.00.0000.07015.69
5.3.290.0000.04014.70
5.3.280.0000.04014.67
5.3.270.0030.03314.64
5.3.260.0030.04014.62
5.3.250.0070.03314.58
5.3.240.0000.04014.54
5.3.230.0070.03714.72
5.3.220.0070.03314.59
5.3.210.0030.04014.50
5.3.200.0000.04014.55
5.3.190.0070.05014.61
5.3.180.0070.03014.62
5.3.170.0070.04014.54
5.3.160.0130.05314.71
5.3.150.0030.03714.63
5.3.140.0000.04014.68
5.3.130.0130.07014.48
5.3.120.0030.04714.63
5.3.110.0070.04714.56
5.3.100.0100.06713.99
5.3.90.0100.07014.00
5.3.80.0130.07314.01
5.3.70.0030.05013.92
5.3.60.0030.05313.93
5.3.50.0130.04313.94
5.3.40.0070.07013.99
5.3.30.0100.06013.97
5.3.20.0070.06713.79
5.3.10.0000.03713.69
5.3.00.0070.07313.63
5.2.170.0100.03711.88
5.2.160.0100.04711.88
5.2.150.0070.05311.88
5.2.140.0030.04011.88
5.2.130.0000.03711.88
5.2.120.0070.02711.88
5.2.110.0070.06011.88
5.2.100.0030.06711.88
5.2.90.0070.06311.88
5.2.80.0070.03311.88
5.2.70.0000.05711.88
5.2.60.0100.04711.88
5.2.50.0070.03011.88
5.2.40.0030.03311.88
5.2.30.0030.03311.88
5.2.20.0000.06311.88
5.2.10.0100.06011.88
5.2.00.0030.05711.88
5.1.60.0070.02711.88
5.1.50.0130.03311.88
5.1.40.0070.04011.88
5.1.30.0030.04711.88
5.1.20.0000.04011.88
5.1.10.0070.03311.88
5.1.00.0000.03711.88
5.0.50.0030.03711.88
5.0.40.0030.03011.88
5.0.30.0100.05711.88
5.0.20.0030.02711.88
5.0.10.0070.03011.88
5.0.00.0070.06011.88
4.4.90.0030.01711.88
4.4.80.0000.03711.88
4.4.70.0030.01711.88
4.4.60.0000.01711.88
4.4.50.0030.03711.88
4.4.40.0000.02711.88
4.4.30.0000.03711.88
4.4.20.0030.02011.88
4.4.10.0030.01711.88
4.4.00.0030.03311.88
4.3.110.0000.02011.88
4.3.100.0000.02711.88
4.3.90.0030.03311.88
4.3.80.0100.03711.88
4.3.70.0000.02711.88
4.3.60.0030.01711.88
4.3.50.0030.02011.88
4.3.40.0000.02711.88
4.3.30.0000.02711.88
4.3.20.0000.01711.88
4.3.10.0000.01711.88
4.3.00.0000.01711.88

preferences:
45.04 ms | 401 KiB | 5 Q