3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ords_to_unistr($ords, $encoding = 'UTF-8'){ // Turns an array of ordinal values into a string of unicode characters $str = ''; for($i = 0; $i < sizeof($ords); $i++){ // Pack this number into a 4-byte string // (Or multiple one-byte strings, depending on context.) $v = $ords[$i]; $str .= pack("N",$v); } $str = mb_convert_encoding($str,$encoding,"UCS-4BE"); return($str); } echo ords_to_unistr(239);

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)
8.3.70.0040.01116.75
8.3.60.0100.00718.43
8.3.50.0140.00521.15
8.3.40.0090.00618.80
8.3.30.0090.00618.71
8.3.20.0080.00018.85
8.3.10.0050.00321.09
8.3.00.0060.00321.63
8.2.180.0190.00016.75
8.2.170.0080.00822.96
8.2.160.0080.00620.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00221.13
8.2.110.0030.00620.47
8.2.100.0080.00417.78
8.2.90.0080.00019.07
8.2.80.0050.00317.97
8.2.70.0090.00317.50
8.2.60.0080.00017.93
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0050.00319.31
8.2.20.0060.00317.70
8.2.10.0050.00317.73
8.2.00.0060.00317.76
8.1.280.0070.01125.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.59
8.1.230.0040.00721.10
8.1.220.0000.00818.77
8.1.210.0030.00618.85
8.1.200.0060.00317.35
8.1.190.0080.00017.52
8.1.180.0000.00818.10
8.1.170.0050.00318.64
8.1.160.0030.00318.89
8.1.150.0080.00018.61
8.1.140.0000.00917.45
8.1.130.0030.00317.67
8.1.120.0070.00017.51
8.1.110.0050.00217.46
8.1.100.0040.00417.35
8.1.90.0000.00717.46
8.1.80.0000.00817.32
8.1.70.0000.00817.37
8.1.60.0060.00317.43
8.1.50.0080.00017.52
8.1.40.0070.00017.52
8.1.30.0000.00817.52
8.1.20.0000.00817.54
8.1.10.0000.00817.54
8.1.00.0050.00317.55
8.0.300.0040.00419.98
8.0.290.0040.00417.05
8.0.280.0070.00018.40
8.0.270.0030.00317.23
8.0.260.0030.00316.82
8.0.250.0040.00416.96
8.0.240.0090.00016.88
8.0.230.0070.00017.01
8.0.220.0070.00016.92
8.0.210.0000.00716.91
8.0.200.0000.00617.00
8.0.190.0000.00716.95
8.0.180.0000.00716.89
8.0.170.0040.00416.86
8.0.160.0000.00716.96
8.0.150.0050.00216.96
8.0.140.0000.00716.84
8.0.130.0000.00513.45
8.0.120.0000.00716.90
8.0.110.0000.00716.94
8.0.100.0070.00016.73
8.0.90.0040.00416.98
8.0.80.0120.00316.93
8.0.70.0000.00816.85
8.0.60.0000.00716.87
8.0.50.0060.00316.82
8.0.30.0030.01517.17
8.0.20.0130.00617.40
8.0.10.0070.00017.05
8.0.00.0040.01417.08
7.4.330.0020.00216.77
7.4.320.0030.00316.62
7.4.300.0000.00716.68
7.4.290.0000.00616.61
7.4.280.0040.00416.46
7.4.270.0040.00416.67
7.4.260.0030.00313.32
7.4.250.0070.00016.58
7.4.240.0030.00516.67
7.4.230.0000.00816.54
7.4.220.0060.00916.61
7.4.210.0080.01116.60
7.4.200.0050.00316.45
7.4.190.0030.00316.54
7.4.160.0120.00616.51
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0080.00816.56
7.4.120.0060.01116.50
7.4.110.0070.01416.73
7.4.100.0090.00916.57
7.4.90.0120.00916.71
7.4.80.0060.00919.39
7.4.70.0030.01316.48
7.4.60.0080.00816.59
7.4.50.0060.00316.46
7.4.40.0030.01322.77
7.4.30.0060.01616.65
7.4.00.0070.00714.93
7.3.330.0000.00613.44
7.3.320.0050.00013.42
7.3.310.0070.00016.39
7.3.300.0000.00716.43
7.3.290.0080.00616.43
7.3.280.0090.00616.44
7.3.270.0060.00917.40
7.3.260.0120.00618.24
7.3.250.0050.01516.43
7.3.240.0060.00916.63
7.3.230.0030.01316.48
7.3.210.0140.00316.60
7.3.200.0070.01519.39
7.3.190.0130.00916.39
7.3.180.0040.01316.56
7.3.170.0070.01316.53
7.3.160.0030.01416.51
7.3.120.0060.00914.96
7.2.330.0070.01016.75
7.2.320.0070.01416.84
7.2.310.0090.01216.72
7.2.300.0070.01316.59
7.2.290.0060.00916.71
7.2.80.0000.01616.56
7.2.60.0090.00617.07
7.2.00.0030.01319.66
7.1.200.0030.00715.73
7.1.100.0000.01118.28
7.1.70.0040.00417.18
7.1.60.0100.01319.40
7.1.50.0310.00734.63
7.1.00.0030.03322.54
7.0.200.0040.00416.90
7.0.140.0070.06722.15
7.0.80.0300.07719.92
7.0.70.0330.08019.96
7.0.60.0070.08019.93
7.0.50.0370.06720.34
7.0.40.0030.04320.05
7.0.30.0170.07720.08
7.0.20.0070.05720.13
7.0.10.0100.05020.09
7.0.00.0100.05720.04
5.6.280.0030.07320.89
5.6.230.0070.03720.59
5.6.220.0030.04020.61
5.6.210.0100.06320.59
5.6.200.0070.03321.09
5.6.190.0000.05021.01
5.6.180.0000.07021.18
5.6.170.0100.08321.05
5.6.160.0030.07321.06
5.6.150.0130.03321.05
5.6.140.0000.07021.11
5.6.130.0130.06721.02
5.6.120.0100.08020.96
5.6.110.0030.07720.95
5.6.100.0070.07321.01
5.6.90.0100.04021.03
5.6.80.0030.08320.34
5.6.70.0070.04020.44
5.6.60.0070.07320.39
5.6.50.0130.07720.39
5.6.40.0230.03020.39
5.6.30.0030.04720.41
5.6.20.0030.06720.47
5.6.10.0000.06720.36
5.6.00.0070.07320.38
5.5.370.0070.06320.38
5.5.360.0030.08720.49
5.5.350.0070.06720.40
5.5.340.0030.04720.64
5.5.330.0100.03320.80
5.5.320.0100.07720.76
5.5.310.0170.07320.77
5.5.300.0030.04720.75
5.5.290.0200.07020.92
5.5.280.0030.07020.76
5.5.270.0100.08020.82
5.5.260.0030.04320.72
5.5.250.0130.07320.45
5.5.240.0030.07320.27
5.5.230.0000.08320.28
5.5.220.0070.05720.23
5.5.210.0000.05020.25
5.5.200.0070.03720.23
5.5.190.0070.05720.28
5.5.180.0030.04720.22
5.5.160.0100.07720.22
5.5.150.0030.04720.22
5.5.140.0070.03720.23
5.5.130.0000.04720.18
5.5.120.0070.04720.15
5.5.110.0030.06720.23
5.5.100.0070.08720.17
5.5.90.0070.06719.98
5.5.80.0070.06720.16
5.5.70.0030.03720.14
5.5.60.0070.08719.98
5.5.50.0070.08019.96
5.5.40.0070.05020.10
5.5.30.0030.05320.04
5.5.20.0130.03720.14
5.5.10.0000.04720.00
5.5.00.0070.08020.03
5.4.450.0030.08319.37
5.4.440.0100.08019.27
5.4.430.0030.07319.48
5.4.420.0100.03319.37
5.4.410.0030.07719.40
5.4.400.0070.05719.14
5.4.390.0070.06318.88
5.4.380.0070.06019.18
5.4.370.0030.07719.21
5.4.360.0070.04319.23
5.4.350.0070.04019.12
5.4.340.0070.07319.14
5.4.320.0070.05019.16
5.4.310.0070.08019.12
5.4.300.0030.03719.12
5.4.290.0070.03719.05
5.4.280.0100.07319.04
5.4.270.0170.04319.04
5.4.260.0130.06319.04
5.4.250.0130.06019.04
5.4.240.0100.03719.11
5.4.230.0130.06318.94
5.4.220.0070.07318.89
5.4.210.0070.04719.22
5.4.200.0070.07019.11
5.4.190.0170.05719.19
5.4.180.0130.07019.03
5.4.170.0070.03719.07
5.4.160.0030.06318.87
5.4.150.0070.03718.83
5.4.140.0100.06316.41
5.4.130.0130.02716.50
5.4.120.0030.06716.32
5.4.110.0000.04016.34
5.4.100.0030.06316.50
5.4.90.0070.03316.52
5.4.80.0000.04316.33
5.4.70.0070.03016.45
5.4.60.0000.07316.48
5.4.50.0130.07016.36
5.4.40.0130.06316.53
5.4.30.0100.06716.40
5.4.20.0070.06016.44
5.4.10.0030.07316.33
5.4.00.0030.07315.84
5.3.290.0000.07314.65
5.3.280.0030.05014.64
5.3.270.0000.04014.59
5.3.260.0030.06014.58
5.3.250.0000.04714.60
5.3.240.0100.06014.62
5.3.230.0000.04314.60
5.3.220.0130.07014.62
5.3.210.0030.04014.63
5.3.200.0000.04014.60
5.3.190.0030.04314.67
5.3.180.0100.07014.61
5.3.170.0000.04014.67
5.3.160.0000.04014.54
5.3.150.0000.04314.54
5.3.140.0030.06714.57
5.3.130.0000.04014.61
5.3.120.0070.07314.64
5.3.110.0070.06314.64
5.3.100.0100.04714.10
5.3.90.0030.04714.04
5.3.80.0000.08314.04
5.3.70.0000.04314.15
5.3.60.0100.06314.13
5.3.50.0000.07714.00
5.3.40.0030.03713.85
5.3.30.0100.03013.84
5.3.20.0070.03313.57
5.3.10.0000.04313.79
5.3.00.0030.03713.70
5.2.170.0070.04711.60
5.2.160.0030.03311.60
5.2.150.0030.03011.60
5.2.140.0000.03311.60
5.2.130.0030.04011.60
5.2.120.0070.02711.60
5.2.110.0000.03311.60
5.2.100.0030.02711.60
5.2.90.0000.03011.60
5.2.80.0030.03011.60
5.2.70.0000.03011.60
5.2.60.0000.03311.60
5.2.50.0000.03311.60
5.2.40.0030.02711.60
5.2.30.0000.03311.60
5.2.20.0000.03011.60
5.2.10.0030.02711.60
5.2.00.0000.02711.60
5.1.60.0000.02711.60
5.1.50.0000.02711.60
5.1.40.0000.02711.60
5.1.30.0000.06011.60
5.1.20.0000.02311.60
5.1.10.0070.02011.60
5.1.00.0000.03311.60
5.0.50.0030.04311.60
5.0.40.0070.04011.60
5.0.30.0000.03311.60
5.0.20.0000.02011.60
5.0.10.0000.02311.60
5.0.00.0030.03011.60
4.4.90.0030.01311.60
4.4.80.0000.01711.60
4.4.70.0000.01711.60
4.4.60.0030.01311.60
4.4.50.0000.01711.60
4.4.40.0000.02711.60
4.4.30.0030.01311.60
4.4.20.0000.01311.60
4.4.10.0030.03311.60
4.4.00.0070.05011.60
4.3.110.0000.02011.60
4.3.100.0000.02311.60
4.3.90.0000.01711.60
4.3.80.0000.02311.60
4.3.70.0000.01311.60
4.3.60.0000.01311.60
4.3.50.0030.01311.60
4.3.40.0000.02311.60
4.3.30.0030.01311.60
4.3.20.0030.01011.60
4.3.10.0000.01311.60
4.3.00.0030.02011.60

preferences:
54.34 ms | 401 KiB | 5 Q