3v4l.org

run code in 300+ PHP versions simultaneously
<?php function uord($str) { $arr = ($str = unpack('C*', substr($str, 0, 4))) ? $str[1] : 0; if (0xF0 <= $arr) return (($arr - 0xF0)<<18) + (($str[2] - 0x80)<<12) + (($str[3] - 0x80)<<6) + $str[4] - 0x80; if (0xE0 <= $arr) return (($arr - 0xE0)<<12) + (($str[2] - 0x80)<<6) + $str[3] - 0x80; if (0xC0 <= $arr) return (($arr - 0xC0)<<6) + $str[2] - 0x80; return $arr; } function uchr ($codes) { if (is_scalar($codes)) $codes = func_get_args(); $str = ''; foreach ($codes as $code) $str .= html_entity_decode('&#'.$code.';',ENT_NOQUOTES,'UTF-8'); return $str; } $str = "Düsseldorf ist scheiße!"; print_r(uord($str[0])); echo '<br/>'; print_r(uord($str[1])); echo '<br/>'; echo uchr(23383); echo '<br/>'; echo uchr(23383,215,23383); echo '<br/>'; echo uchr(array(23383,215,23383,215,23383)); echo '<br/>';

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)
8.3.60.0130.00616.75
8.3.50.0230.00622.98
8.3.40.0090.00618.68
8.3.30.0070.00719.11
8.3.20.0040.00420.38
8.3.10.0000.00823.52
8.3.00.0050.00319.50
8.2.180.0110.00816.61
8.2.170.0120.00322.96
8.2.160.0030.01020.58
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00420.98
8.2.110.0060.00322.17
8.2.100.0100.00317.72
8.2.90.0040.00419.19
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0060.00317.55
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0040.00418.16
8.2.20.0070.00017.90
8.2.10.0030.00518.21
8.2.00.0000.01017.71
8.1.280.0070.00725.92
8.1.270.0040.00423.58
8.1.260.0070.00026.35
8.1.250.0090.00028.09
8.1.240.0000.00823.88
8.1.230.0070.00419.05
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0000.00917.35
8.1.180.0000.00818.10
8.1.170.0060.00318.51
8.1.160.0000.00721.92
8.1.150.0050.00218.84
8.1.140.0040.00417.39
8.1.130.0030.00317.87
8.1.120.0040.00417.41
8.1.110.0080.00017.50
8.1.100.0040.00417.39
8.1.90.0050.00217.51
8.1.80.0050.00317.38
8.1.70.0000.00717.41
8.1.60.0030.00517.61
8.1.50.0040.00417.57
8.1.40.0000.00717.50
8.1.30.0030.00517.64
8.1.20.0080.00017.72
8.1.10.0000.00817.61
8.1.00.0030.00517.54
8.0.300.0000.00818.77
8.0.290.0020.00516.63
8.0.280.0000.00718.54
8.0.270.0030.00317.29
8.0.260.0040.00417.29
8.0.250.0000.00717.04
8.0.240.0060.00316.94
8.0.230.0030.00517.02
8.0.220.0000.00717.00
8.0.210.0070.00316.90
8.0.200.0070.00016.95
8.0.190.0000.00717.09
8.0.180.0000.00716.91
8.0.170.0050.00316.96
8.0.160.0040.00416.90
8.0.150.0020.00516.89
8.0.140.0020.00517.01
8.0.130.0000.00613.42
8.0.120.0000.00716.88
8.0.110.0000.00816.97
8.0.100.0000.00716.86
8.0.90.0000.00716.94
8.0.80.0120.01017.04
8.0.70.0000.00816.98
8.0.60.0040.00416.93
8.0.50.0000.00716.81
8.0.30.0160.00317.10
8.0.20.0140.01117.40
8.0.10.0040.00416.97
8.0.00.0090.01216.89
7.4.330.0000.00515.00
7.4.320.0030.00316.54
7.4.300.0040.00416.63
7.4.290.0000.00716.52
7.4.280.0050.00216.43
7.4.270.0000.00716.44
7.4.260.0040.00416.63
7.4.250.0050.00316.42
7.4.240.0020.00516.52
7.4.230.0040.00316.63
7.4.220.0120.00616.58
7.4.210.0090.00916.65
7.4.200.0080.00016.32
7.4.160.0130.00316.68
7.4.150.0190.00417.40
7.4.140.0090.01317.86
7.4.130.0040.01316.58
7.4.120.0150.00316.53
7.4.110.0100.00716.55
7.4.100.0100.00716.45
7.4.90.0140.00616.45
7.4.80.0190.00419.39
7.4.70.0070.01016.57
7.4.60.0080.00916.60
7.4.50.0000.00416.77
7.4.40.0100.00616.46
7.4.30.0040.01316.38
7.4.00.0070.01115.20
7.3.330.0030.00313.39
7.3.320.0030.00313.29
7.3.310.0000.00716.48
7.3.300.0030.00516.34
7.3.290.0070.00716.27
7.3.280.0070.00716.39
7.3.270.0030.01717.40
7.3.260.0120.00816.56
7.3.250.0130.00616.41
7.3.240.0120.00416.67
7.3.230.0120.01216.39
7.3.210.0090.01316.45
7.3.200.0100.00719.39
7.3.190.0100.00716.47
7.3.180.0060.00916.59
7.3.170.0060.01016.35
7.3.160.0160.00616.36
7.2.330.0090.00916.76
7.2.320.0030.00216.84
7.2.310.0090.00916.66
7.2.300.0070.01016.84
7.2.290.0120.00916.86
7.2.00.0050.00519.53
7.1.200.0090.00315.75
7.1.100.0040.00818.31
7.1.70.0070.00017.05
7.1.60.0110.01119.40
7.1.50.0070.00717.02
7.1.00.0070.07322.44
7.0.200.0000.00716.60
7.0.140.0070.07022.12
7.0.60.0170.06719.88
7.0.50.0000.05718.01
7.0.40.0030.09320.11
7.0.30.0500.07020.26
7.0.20.0300.07720.10
7.0.10.0200.04020.26
7.0.00.0030.09020.23
5.6.280.0000.07720.81
5.6.210.0100.05020.73
5.6.200.0130.08318.19
5.6.190.0070.07320.46
5.6.180.3700.03320.43
5.6.170.0200.08320.52
5.6.160.0130.06320.52
5.6.150.0070.03718.23
5.6.140.0130.05718.17
5.6.130.0030.07718.23
5.6.120.0130.05721.15
5.6.110.0100.03321.14
5.6.100.0100.06721.12
5.6.90.0170.07021.01
5.6.80.0130.05720.37
5.6.70.0200.03720.36
5.5.350.0300.07320.43
5.5.340.0100.06717.95
5.5.330.0100.04020.40
5.5.320.0230.04720.36
5.5.310.0070.04720.23
5.5.300.0030.08317.99
5.5.290.0100.07317.94
5.5.280.0100.08020.91
5.5.270.0070.05720.89
5.5.260.0130.07720.76
5.5.250.0100.08020.60
5.5.240.2430.03320.08
5.4.450.0830.05719.45
5.4.440.0830.07019.21
5.4.430.0770.06319.63
5.4.420.0730.05719.48
5.4.410.0570.05719.13
5.4.400.0430.05319.23
5.4.390.0530.06018.91
5.4.380.0070.05018.78
5.4.370.0130.04018.81
5.4.360.0130.03718.49
5.4.350.0120.06512.03
5.4.340.0090.03412.02
5.4.320.0050.04112.51
5.4.310.0050.03812.50
5.4.300.0100.04212.51
5.4.290.0060.03812.50
5.4.280.0070.04112.40
5.4.270.0070.03812.41
5.4.260.0080.04312.41
5.4.250.0050.04612.40
5.4.240.0070.03512.40
5.4.230.0060.03812.39
5.4.220.0030.04612.39
5.4.210.0070.03612.39
5.4.200.0070.04012.40
5.4.190.0060.03612.39
5.4.180.0070.03712.39
5.4.170.0070.03512.40
5.4.160.0090.03312.40
5.4.150.0100.03212.39
5.4.140.0110.03712.07
5.4.130.0060.03912.06
5.4.120.0050.03812.02
5.4.110.0080.04312.02
5.4.100.0040.04312.02
5.4.90.0060.03812.02
5.4.80.0040.04212.02
5.4.70.0070.03412.01
5.4.60.0010.04012.01
5.4.50.0060.03512.02
5.4.40.0040.04412.00
5.4.30.0040.03712.00
5.4.20.0090.03212.00
5.4.10.0070.03412.00
5.4.00.0060.03811.48
5.3.290.0090.03912.80
5.3.280.0050.03912.71
5.3.270.0050.04112.72
5.3.260.0120.04412.72
5.3.250.0070.03712.72
5.3.240.0070.04312.72
5.3.230.0070.03712.71
5.3.220.0050.04412.68
5.3.210.0100.05212.68
5.3.200.0090.03812.68
5.3.190.0080.03612.68
5.3.180.0050.03812.67
5.3.170.0080.03612.67
5.3.160.0080.03512.68
5.3.150.0090.03512.68
5.3.140.0080.03812.66
5.3.130.0040.04412.66
5.3.120.0100.03912.66
5.3.110.0040.04112.66
5.3.100.0040.04012.12
5.3.90.0070.03512.11
5.3.80.0050.03712.09
5.3.70.0080.03412.10
5.3.60.0060.03812.09
5.3.50.0070.03612.03
5.3.40.0080.04612.03
5.3.30.0060.04411.99
5.3.20.0050.03811.77
5.3.10.0080.03411.74
5.3.00.0060.03811.72
5.2.170.0060.0359.23
5.2.160.0050.0299.23
5.2.150.0030.0339.23
5.2.140.0060.0319.22
5.2.130.0050.0389.18
5.2.120.0070.0289.18
5.2.110.0060.0289.19
5.2.100.0040.0359.18
5.2.90.0060.0289.18
5.2.80.0060.0309.18
5.2.70.0060.0309.18
5.2.60.0030.0339.13
5.2.50.0030.0329.10
5.2.40.0070.0269.08
5.2.30.0060.0299.05
5.2.20.0070.0279.05
5.2.10.0040.0298.96
5.2.00.0070.0288.82
5.1.60.0040.0258.11
5.1.50.0050.0248.10
5.1.40.0030.0278.09
5.1.30.0060.0258.43
5.1.20.0050.0278.46
5.1.10.0030.0308.18
5.1.00.0020.0298.18
5.0.50.0040.0226.66
5.0.40.0020.0216.53
5.0.30.0030.0326.34
5.0.20.0040.0206.32
5.0.10.0010.0236.30
5.0.00.0020.0316.28
4.4.90.0030.0174.78
4.4.80.0030.0174.75
4.4.70.0030.0174.75
4.4.60.0050.0154.75
4.4.50.0050.0184.77
4.4.40.0070.0264.71
4.4.30.0050.0164.75
4.4.20.0040.0154.84
4.4.10.0040.0174.85
4.4.00.0040.0274.76
4.3.110.0030.0174.67
4.3.100.0050.0194.66
4.3.90.0050.0144.64
4.3.80.0040.0284.58
4.3.70.0030.0164.63
4.3.60.0020.0174.63
4.3.50.0040.0174.63
4.3.40.0040.0254.54
4.3.30.0040.0143.30
4.3.20.0030.0173.29
4.3.10.0020.0163.24
4.3.00.0200.0177.10

preferences:
38.47 ms | 401 KiB | 5 Q