3v4l.org

run code in 300+ PHP versions simultaneously
<?php function utf8($num) { if($num<=0x7F) return chr($num); if($num<=0x7FF) return chr(($num>>6)+192).chr(($num&63)+128); if($num<=0xFFFF) return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128); if($num<=0x1FFFFF) return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128).chr(($num&63)+128); return ''; } function uniord($c) { $ord0 = ord($c{0}); if ($ord0>=0 && $ord0<=127) return $ord0; $ord1 = ord($c{1}); if ($ord0>=192 && $ord0<=223) return ($ord0-192)*64 + ($ord1-128); $ord2 = ord($c{2}); if ($ord0>=224 && $ord0<=239) return ($ord0-224)*4096 + ($ord1-128)*64 + ($ord2-128); $ord3 = ord($c{3}); if ($ord0>=240 && $ord0<=247) return ($ord0-240)*262144 + ($ord1-128)*4096 + ($ord2-128)*64 + ($ord3-128); return false; } echo uniord(รก);

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)
8.3.60.0090.00616.63
8.3.50.0070.01222.04
8.3.40.0180.00018.59
8.3.30.0100.00318.95
8.3.20.0000.00720.13
8.3.10.0050.00323.66
8.3.00.0080.00019.38
8.2.180.0110.00418.29
8.2.170.0040.01122.96
8.2.160.0090.00920.58
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00422.19
8.2.110.0040.00422.19
8.2.100.0090.00317.78
8.2.90.0040.00419.06
8.2.80.0000.00917.97
8.2.70.0030.00617.38
8.2.60.0000.00819.76
8.2.50.0080.00018.07
8.2.40.0060.00319.88
8.2.30.0030.00619.58
8.2.20.0070.00017.56
8.2.10.0000.00717.87
8.2.00.0030.00617.49
8.1.280.0100.00725.92
8.1.270.0090.00023.69
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0030.00623.92
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0030.00617.10
8.1.180.0000.00818.10
8.1.170.0000.00918.58
8.1.160.0040.00421.85
8.1.150.0040.00418.55
8.1.140.0000.00717.33
8.1.130.0030.00317.73
8.1.120.0070.00017.37
8.1.110.0040.00417.35
8.1.100.0100.00017.29
8.1.90.0080.00017.29
8.1.80.0040.00417.38
8.1.70.0090.00017.36
8.1.60.0000.00817.38
8.1.50.0050.00317.41
8.1.40.0040.00417.36
8.1.30.0050.00317.45
8.1.20.0000.00817.55
8.1.10.0040.00417.43
8.1.00.0000.00717.39
8.0.300.0040.00420.78
8.0.290.0000.00717.04
8.0.280.0030.00318.31
8.0.270.0030.00317.23
8.0.260.0000.00617.22
8.0.250.0000.00716.94
8.0.240.0030.00316.85
8.0.230.0070.00016.82
8.0.220.0040.00416.87
8.0.210.0000.00816.77
8.0.200.0000.00616.91
8.0.190.0050.00316.83
8.0.180.0000.00716.89
8.0.170.0040.00416.92
8.0.160.0040.00416.77
8.0.150.0000.00716.71
8.0.140.0040.00416.86
8.0.130.0000.00513.16
8.0.120.0020.00516.85
8.0.110.0030.00516.79
8.0.100.0020.00516.92
8.0.90.0030.00316.64
8.0.80.0120.00316.91
8.0.70.0040.00416.77
8.0.60.0000.00716.68
8.0.50.0040.00416.90
8.0.30.0090.01217.11
8.0.20.0060.01317.40
8.0.10.0050.00217.00
8.0.00.0080.01016.66
7.4.330.0050.00015.09
7.4.320.0060.00016.44
7.4.300.0050.00216.54
7.4.290.0070.00016.62
7.4.280.0060.00316.53
7.4.270.0040.00416.48
7.4.260.0030.00316.52
7.4.250.0040.00416.62
7.4.240.0030.00516.61
7.4.230.0000.00716.44
7.4.220.0060.01316.65
7.4.210.0100.00616.56
7.4.200.0030.00316.60
7.4.190.0030.00316.67
7.4.160.0100.00616.56
7.4.150.0110.00717.40
7.4.140.0110.01017.86
7.4.130.0130.00316.55
7.4.120.0110.00616.58
7.4.110.0130.00416.69
7.4.100.0110.01016.60
7.4.90.0100.00716.51
7.4.80.0080.01219.39
7.4.70.0060.01016.61
7.4.60.0000.01616.57
7.4.50.0000.00916.39
7.4.40.0090.00722.77
7.4.30.0090.00616.51
7.4.10.0030.01015.14
7.4.00.0110.00515.02
7.3.330.0000.00613.49
7.3.320.0030.00313.41
7.3.310.0030.00316.45
7.3.300.0000.00616.38
7.3.290.0140.00616.46
7.3.280.0070.01216.42
7.3.270.0030.01317.40
7.3.260.0090.00916.45
7.3.250.0140.00716.60
7.3.240.0080.01116.42
7.3.230.0170.00716.64
7.3.210.0110.00616.54
7.3.200.0200.00319.39
7.3.190.0130.01016.55
7.3.180.0040.01816.46
7.3.170.0040.01216.41
7.3.160.0040.01316.69
7.3.130.0060.01215.08
7.3.120.0100.00614.84
7.3.110.0000.01514.94
7.3.100.0090.00914.78
7.3.90.0080.00514.95
7.3.80.0040.00914.84
7.3.70.0060.00614.78
7.3.60.0030.00914.98
7.3.50.0070.01115.00
7.3.40.0050.00714.89
7.3.30.0020.01114.85
7.3.20.0070.00816.59
7.3.10.0070.00616.70
7.3.00.0040.00616.58
7.2.330.0070.01116.46
7.2.320.0100.00716.67
7.2.310.0100.00716.78
7.2.300.0090.00616.72
7.2.290.0060.01016.60
7.2.260.0110.00715.14
7.2.250.0110.00715.13
7.2.240.0050.00914.99
7.2.230.0090.00414.93
7.2.220.0090.00515.11
7.2.210.0090.00615.16
7.2.200.0100.00315.07
7.2.190.0080.00814.98
7.2.180.0000.01314.81
7.2.170.0070.00715.14
7.2.160.0000.01414.99
7.2.150.0060.00916.62
7.2.140.0070.00716.73
7.2.130.0040.01217.00
7.2.120.0030.01016.67
7.2.110.0060.00617.09
7.2.100.0070.00716.73
7.2.90.0070.00416.98
7.2.80.0030.01216.69
7.2.70.0030.01017.11
7.2.60.0050.00816.76
7.2.50.0060.00916.87
7.2.40.0070.00716.75
7.2.30.0000.01316.84
7.2.20.0040.01416.70
7.2.10.0040.01116.83
7.2.00.0060.01118.21
7.1.330.0040.01215.59
7.1.320.0100.00315.80
7.1.310.0070.00715.71
7.1.300.0060.00415.61
7.1.290.0040.01315.81
7.1.280.0050.00515.59
7.1.270.0040.00715.84
7.1.260.0060.00616.01
7.1.250.0080.00515.79
7.1.240.0000.01015.89
7.1.230.0000.00815.98
7.1.220.0000.00815.80
7.1.210.0080.00615.88
7.1.200.0070.00515.71
7.1.190.0060.00615.74
7.1.180.0060.00615.96
7.1.170.0100.00315.80
7.1.160.0030.01015.87
7.1.150.0040.00815.63
7.1.140.0100.00315.93
7.1.130.0090.00015.55
7.1.120.0070.00715.90
7.1.110.0030.01015.59
7.1.100.0040.00916.97
7.1.90.0090.00015.66
7.1.80.0040.01115.88
7.1.70.0010.00816.54
7.1.60.0070.00616.58
7.1.50.0060.00816.42
7.1.40.0000.00916.18
7.1.30.0020.01116.19
7.1.20.0070.00716.38
7.1.10.0020.01016.29
7.1.00.0010.00816.18
7.0.330.0030.01415.13
7.0.320.0000.01515.55
7.0.310.0110.00315.47
7.0.300.0000.00815.48
7.0.290.0040.01115.45
7.0.280.0040.00815.50
7.0.270.0000.01515.49
7.0.260.0040.00715.41
7.0.250.0040.00415.11
7.0.240.0000.00915.43
7.0.230.0030.01015.47
7.0.220.0060.00915.63
7.0.210.0030.01015.41
7.0.200.0000.00916.27
7.0.190.0070.00416.13
7.0.180.0000.01115.96
7.0.170.0030.00815.87
7.0.160.0080.00615.92
7.0.150.0050.00215.84
7.0.140.0010.00715.97
7.0.130.0010.01016.15
7.0.120.0030.00715.96
7.0.110.0010.01015.93
7.0.100.0030.01015.77
7.0.90.0050.00816.04
7.0.80.0030.00716.03
7.0.70.0030.00815.78
7.0.60.0020.00815.83
7.0.50.0010.01115.94
7.0.40.0050.01114.39
7.0.30.0060.00614.20
7.0.20.0040.00714.23
7.0.10.0050.00514.33
7.0.00.0060.00414.22
5.6.400.0000.01014.52
5.6.390.0070.01014.10
5.6.380.0060.00314.36
5.6.370.0040.00414.20
5.6.360.0060.00614.40
5.6.350.0100.00714.54
5.6.340.0070.00714.52
5.6.330.0030.01014.73
5.6.320.0070.00414.09
5.6.310.0100.00614.29
5.6.300.0060.02317.57
5.6.290.0060.02517.65
5.6.280.0180.02117.61
5.6.270.0050.02517.82
5.6.260.0020.03417.70
5.6.250.0030.03017.54
5.6.240.0060.03117.80
5.6.230.0040.02717.70
5.6.220.0030.02317.63
5.6.210.0050.02917.55
5.6.200.0080.03617.72
5.6.190.0040.02417.61
5.6.180.0050.04117.77
5.6.170.0050.02517.71
5.6.160.0000.02917.62
5.6.150.0060.02017.57
5.6.140.0040.02517.76
5.6.130.0050.02317.68
5.6.120.0030.03217.58
5.6.110.0040.03017.70
5.6.100.0090.02117.69
5.6.90.0050.02317.55
5.6.80.0070.02017.46
5.6.70.0030.03017.36
5.6.60.0050.03017.23
5.6.50.0070.02717.40
5.6.40.0030.02517.35
5.6.30.0020.03217.34
5.6.20.0030.02717.28
5.6.10.0080.02217.24
5.6.00.0040.02517.31
5.5.380.0020.04615.90
5.5.370.0050.02315.93
5.5.360.0020.02716.09
5.5.350.0040.02715.79
5.5.340.0050.02316.17
5.5.330.0070.03716.04
5.5.320.0050.02716.09
5.5.310.0030.02516.13
5.5.300.0020.03216.13
5.5.290.0060.02116.09
5.5.280.0110.02116.36
5.5.270.0030.03116.21
5.5.260.0030.02815.95
5.5.250.0030.02415.88
5.5.240.0070.02715.82
5.5.230.0070.02315.69
5.5.220.0030.02415.81
5.5.210.0070.02415.70
5.5.200.0020.02615.63
5.5.190.0060.02115.64
5.5.180.0050.02515.81
5.5.170.0000.01314.42
5.5.160.0050.02315.65
5.5.150.0050.03115.64
5.5.140.0120.02515.62
5.5.130.0100.01915.86
5.5.120.0100.02515.73
5.5.110.0050.02115.67
5.5.100.0070.02215.83
5.5.90.0100.01815.88
5.5.80.0030.02615.80
5.5.70.0050.02215.74
5.5.60.0060.01915.94
5.5.50.0070.02515.58
5.5.40.0090.02915.54
5.5.30.0030.02715.37
5.5.20.0150.02215.71
5.5.10.0030.02815.60
5.5.00.0020.02415.62
5.4.450.0030.03115.18
5.4.440.0020.02715.40
5.4.430.0060.02715.26
5.4.420.0040.02215.32
5.4.410.0050.02215.12
5.4.400.0030.03315.06
5.4.390.0020.02615.18
5.4.380.0120.02615.01
5.4.370.0030.02315.06
5.4.360.0040.02115.08
5.4.350.0030.02715.00
5.4.340.0050.02315.09
5.4.330.0000.00811.09
5.4.320.0050.02115.07
5.4.310.0050.02315.05
5.4.300.0070.02415.07
5.4.290.0050.02415.11
5.4.280.0060.02315.00
5.4.270.0030.02315.02
5.4.260.0130.02215.12
5.4.250.0080.03315.16
5.4.240.0070.02015.17
5.4.230.0050.02015.14
5.4.220.0170.02015.10
5.4.210.0040.02215.15
5.4.200.0040.02415.14
5.4.190.0010.02515.14
5.4.180.0050.02614.91
5.4.170.0050.01915.02
5.4.160.0070.01715.01
5.4.150.0020.02515.10
5.4.140.0030.02313.75
5.4.130.0030.02213.90
5.4.120.0070.02213.75
5.4.110.0060.02613.97
5.4.100.0050.01913.83
5.4.90.0040.02513.93
5.4.80.0070.02313.94
5.4.70.0000.02513.75
5.4.60.0050.01813.65
5.4.50.0030.02013.79
5.4.40.0030.02313.71
5.4.30.0000.02513.92
5.4.20.0030.02813.74
5.4.10.0030.02813.75
5.4.00.0060.02213.53
5.3.290.0060.01912.82
5.3.280.0050.02312.76
5.3.270.0040.02012.93
5.3.260.0060.02212.89
5.3.250.0150.02012.92
5.3.240.0020.02812.75
5.3.230.0050.02312.73
5.3.220.0030.02112.86
5.3.210.0080.01812.73
5.3.200.0030.02412.86
5.3.190.0090.02412.76
5.3.180.0040.02412.94
5.3.170.0090.01612.91
5.3.160.0040.02612.82
5.3.150.0040.02312.93
5.3.140.0050.02712.92
5.3.130.0020.02312.90
5.3.120.0060.02412.84
5.3.110.0020.05212.91
5.3.100.0060.01912.97
5.3.90.0050.03713.00
5.3.80.0130.02512.82
5.3.70.0030.02312.81
5.3.60.0020.02112.90
5.3.50.0030.02312.91
5.3.40.0030.02212.81
5.3.30.0030.02212.77
5.3.20.0060.02112.78
5.3.10.0030.02212.73
5.3.00.0070.02612.74
5.2.170.0000.03515.17
5.2.160.0070.03015.17
5.2.150.0000.03215.17
5.2.140.0030.03315.17
5.2.130.0030.03015.17
5.2.120.0000.03215.17
5.2.110.0090.02615.17
5.2.100.0030.03715.17
5.2.90.0060.02515.17
5.2.80.0060.02615.17
5.2.70.0030.03415.17
5.2.60.0030.03915.17
5.2.50.0030.03415.17
5.2.40.0090.03115.17
5.2.30.0030.04515.17
5.2.20.0060.02815.17
5.2.10.0070.03115.17
5.2.00.0030.03515.17
5.1.60.0030.02615.17
5.1.50.0060.04115.17
5.1.40.0030.02215.17
5.1.30.0000.02715.17
5.1.20.0040.05015.17
5.1.10.0060.02215.17
5.1.00.0030.02415.17
5.0.50.0000.02215.17
5.0.40.0000.02115.17
5.0.30.0030.03715.17
5.0.20.0030.03315.17
5.0.10.0030.02015.17
5.0.00.0030.03115.17
4.4.90.0030.01315.17
4.4.80.0040.01815.17
4.4.70.0030.01815.17
4.4.60.0000.01815.17
4.4.50.0000.01615.17
4.4.40.0030.03915.17
4.4.30.0000.01815.17
4.4.20.0060.01215.17
4.4.10.0030.01415.17
4.4.00.0000.03015.17
4.3.110.0040.01515.17
4.3.100.0000.01615.17
4.3.90.0000.01615.17
4.3.80.0200.02315.17
4.3.70.0070.01715.17
4.3.60.0100.01315.17
4.3.50.0000.01815.17
4.3.40.0030.03415.17
4.3.30.0040.02115.17
4.3.20.0000.02215.17
4.3.10.0030.01615.17
4.3.00.0030.01715.17

preferences:
46.23 ms | 401 KiB | 5 Q