3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'qтест12qq'; $str_win = iconv('utf-8', 'cp1251//IGNORE', $str); echo mb_detect_encoding($str, 'CP1251, UTF-8'); echo mb_detect_encoding($str_win, 'CP1251, UTF-8'); echo utf8_to_cp1251($str); echo utf8_to_cp1251($str_win); function utf8_to_cp1251($s) { $tbl = $GLOBALS['unicode_to_cp1251_tbl']; $uc = 0; $bits = 0; $r = ""; for($i = 0, $l = strlen($s); $i < $l; $i++) { $c = $s{$i}; $b = ord($c); if($b & 0x80) { if($b & 0x40) { if($b & 0x20) { $uc = ($b & 0x0F) << 12; $bits = 12; } else { $uc = ($b & 0x1F) << 6; $bits = 6; } } else { $bits -= 6; if($bits) { $uc |= ($b & 0x3F) << $bits; } else { $uc |= $b & 0x3F; if($cc = @$tbl[$uc]) { $r .= $cc; } else { $r .= '?'; } } } } else { $r .= $c; } } return $r; } $unicode_to_cp1251_tbl = array( 0x0402 => "\x80", 0x0403 => "\x81", 0x201A => "\x82", 0x0453 => "\x83", 0x201E => "\x84", 0x2026 => "\x85", 0x2020 => "\x86", 0x2021 => "\x87", 0x20AC => "\x88", 0x2030 => "\x89", 0x0409 => "\x8A", 0x2039 => "\x8B", 0x040A => "\x8C", 0x040C => "\x8D", 0x040B => "\x8E", 0x040F => "\x8F", 0x0452 => "\x90", 0x2018 => "\x91", 0x2019 => "\x92", 0x201C => "\x93", 0x201D => "\x94", 0x2022 => "\x95", 0x2013 => "\x96", 0x2014 => "\x97", 0x2122 => "\x99", 0x0459 => "\x9A", 0x203A => "\x9B", 0x045A => "\x9C", 0x045C => "\x9D", 0x045B => "\x9E", 0x045F => "\x9F", 0x00A0 => "\xA0", 0x040E => "\xA1", 0x045E => "\xA2", 0x0408 => "\xA3", 0x00A4 => "\xA4", 0x0490 => "\xA5", 0x00A6 => "\xA6", 0x00A7 => "\xA7", 0x0401 => "\xA8", 0x00A9 => "\xA9", 0x0404 => "\xAA", 0x00AB => "\xAB", 0x00AC => "\xAC", 0x00AD => "\xAD", 0x00AE => "\xAE", 0x0407 => "\xAF", 0x00B0 => "\xB0", 0x00B1 => "\xB1", 0x0406 => "\xB2", 0x0456 => "\xB3", 0x0491 => "\xB4", 0x00B5 => "\xB5", 0x00B6 => "\xB6", 0x00B7 => "\xB7", 0x0451 => "\xB8", 0x2116 => "\xB9", 0x0454 => "\xBA", 0x00BB => "\xBB", 0x0458 => "\xBC", 0x0405 => "\xBD", 0x0455 => "\xBE", 0x0457 => "\xBF", 0x0410 => "\xC0", 0x0411 => "\xC1", 0x0412 => "\xC2", 0x0413 => "\xC3", 0x0414 => "\xC4", 0x0415 => "\xC5", 0x0416 => "\xC6", 0x0417 => "\xC7", 0x0418 => "\xC8", 0x0419 => "\xC9", 0x041A => "\xCA", 0x041B => "\xCB", 0x041C => "\xCC", 0x041D => "\xCD", 0x041E => "\xCE", 0x041F => "\xCF", 0x0420 => "\xD0", 0x0421 => "\xD1", 0x0422 => "\xD2", 0x0423 => "\xD3", 0x0424 => "\xD4", 0x0425 => "\xD5", 0x0426 => "\xD6", 0x0427 => "\xD7", 0x0428 => "\xD8", 0x0429 => "\xD9", 0x042A => "\xDA", 0x042B => "\xDB", 0x042C => "\xDC", 0x042D => "\xDD", 0x042E => "\xDE", 0x042F => "\xDF", 0x0430 => "\xE0", 0x0431 => "\xE1", 0x0432 => "\xE2", 0x0433 => "\xE3", 0x0434 => "\xE4", 0x0435 => "\xE5", 0x0436 => "\xE6", 0x0437 => "\xE7", 0x0438 => "\xE8", 0x0439 => "\xE9", 0x043A => "\xEA", 0x043B => "\xEB", 0x043C => "\xEC", 0x043D => "\xED", 0x043E => "\xEE", 0x043F => "\xEF", 0x0440 => "\xF0", 0x0441 => "\xF1", 0x0442 => "\xF2", 0x0443 => "\xF3", 0x0444 => "\xF4", 0x0445 => "\xF5", 0x0446 => "\xF6", 0x0447 => "\xF7", 0x0448 => "\xF8", 0x0449 => "\xF9", 0x044A => "\xFA", 0x044B => "\xFB", 0x044C => "\xFC", 0x044D => "\xFD", 0x044E => "\xFE", 0x044F => "\xFF", );

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)
8.3.70.0070.00718.31
8.3.60.0110.01118.43
8.3.50.0110.01021.97
8.3.40.0140.00018.80
8.3.30.0110.00418.91
8.3.20.0050.00320.34
8.3.10.0080.00022.09
8.3.00.0000.00822.41
8.2.180.0000.01516.32
8.2.170.0120.00322.96
8.2.160.0040.01220.82
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00017.50
8.2.110.0030.00622.26
8.2.100.0070.00419.45
8.2.90.0000.00718.93
8.2.80.0040.00419.54
8.2.70.0050.00317.22
8.2.60.0080.00017.91
8.2.50.0060.00618.07
8.2.40.0050.00318.22
8.2.30.0060.00318.00
8.2.20.0040.00417.53
8.2.10.0060.00317.45
8.2.00.0070.00017.46
8.1.280.0040.01125.92
8.1.270.0000.00823.97
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00324.02
8.1.230.0070.00319.21
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00617.10
8.1.190.0040.00417.39
8.1.180.0040.00418.10
8.1.170.0040.00418.31
8.1.160.0040.00421.95
8.1.150.0040.00418.40
8.1.140.0040.00417.38
8.1.130.0030.00317.77
8.1.120.0000.00717.42
8.1.110.0000.00717.39
8.1.100.0000.00717.37
8.1.90.0060.00217.27
8.1.80.0000.00817.33
8.1.70.0040.00417.23
8.1.60.0040.00417.53
8.1.50.0030.00517.42
8.1.40.0000.00817.30
8.1.30.0080.00017.52
8.1.20.0050.00317.58
8.1.10.0040.00417.38
8.1.00.0040.00417.19
8.0.300.0070.00018.77
8.0.290.0050.00217.03
8.0.280.0000.00718.39
8.0.270.0040.00417.10
8.0.260.0030.00516.65
8.0.250.0030.00316.99
8.0.240.0060.00316.90
8.0.230.0030.00316.80
8.0.220.0030.00316.89
8.0.210.0000.00716.73
8.0.200.0060.00016.92
8.0.190.0070.00016.91
8.0.180.0000.00716.86
8.0.170.0040.00416.82
8.0.160.0070.00016.84
8.0.150.0030.00316.79
8.0.140.0040.00416.83
8.0.130.0000.00513.31
8.0.120.0040.00416.77
8.0.110.0050.00216.68
8.0.100.0050.00216.95
8.0.90.0040.00416.73
8.0.80.0080.00816.87
8.0.70.0000.00716.73
8.0.60.0080.00016.89
8.0.50.0080.00016.91
8.0.30.0100.01116.88
8.0.20.0080.01317.40
8.0.10.0040.00416.99
8.0.00.0100.00816.64
7.4.330.0000.00515.01
7.4.320.0030.00316.69
7.4.300.0030.00316.75
7.4.290.0000.00716.57
7.4.280.0000.00816.55
7.4.270.0000.00716.74
7.4.260.0050.00516.70
7.4.250.0060.00316.90
7.4.240.0040.00416.84
7.4.230.0000.00817.00
7.4.220.0030.01716.86
7.4.210.0090.00916.89
7.4.200.0000.00816.66
7.4.190.0000.00816.68
7.4.160.0070.01516.80
7.4.150.0100.01017.40
7.4.140.0080.01517.86
7.4.130.0090.01316.77
7.4.120.0130.01016.80
7.4.110.0090.00916.79
7.4.100.0100.01316.78
7.4.90.0140.00716.71
7.4.80.0130.01519.39
7.4.70.0070.01416.78
7.4.60.0140.00916.74
7.4.50.0090.01016.70
7.4.40.0070.01419.74
7.4.30.0060.01316.54
7.4.20.0040.01516.54
7.4.10.0030.01616.66
7.4.00.0070.01216.04
7.3.330.0040.00413.19
7.3.320.0000.00513.32
7.3.310.0050.00516.84
7.3.300.0060.00316.55
7.3.290.0130.01016.81
7.3.280.0080.01016.73
7.3.270.0100.01717.40
7.3.260.0110.01116.86
7.3.250.0080.01116.77
7.3.240.0130.00616.78
7.3.230.0100.01316.84
7.3.210.0060.01216.79
7.3.200.0060.01216.76
7.3.190.0100.00916.75
7.3.180.0090.00916.77
7.3.170.0130.01216.78
7.3.160.0060.01416.82
7.3.150.0110.00716.62
7.3.140.0090.01216.77
7.3.130.0000.01916.99
7.3.120.0100.00815.75
7.3.110.0070.01316.84
7.3.100.0060.01316.71
7.3.90.0140.00816.70
7.3.80.0110.01316.91
7.3.70.0030.01716.61
7.3.60.0100.01416.69
7.3.50.0110.01516.80
7.3.40.0120.01616.40
7.3.30.0100.01016.69
7.3.20.0200.00416.88
7.3.10.0100.01316.69
7.3.00.0200.00616.61
7.2.330.0130.00917.14
7.2.320.0170.00416.75
7.2.310.0090.01316.70
7.2.300.0120.00916.73
7.2.290.0100.01316.85
7.2.280.0130.00816.76
7.2.270.0040.01616.69
7.2.260.0100.01116.99
7.2.250.0080.01916.75
7.2.240.0120.00816.80
7.2.230.0210.00316.67
7.2.220.0130.01716.78
7.2.210.0200.00716.70
7.2.200.0090.01416.70
7.2.190.0030.01716.68
7.2.180.0180.00416.83
7.2.170.0110.01516.96
7.2.160.0220.00716.69
7.2.150.0150.00916.68
7.2.140.0070.01316.88
7.2.130.0090.01416.91
7.2.120.0160.01717.05
7.2.110.0150.01016.78
7.2.100.0070.01716.80
7.2.90.0180.01516.84
7.2.80.0100.01316.77
7.2.70.0090.01417.04
7.2.60.0080.01117.11
7.2.50.0060.01716.82
7.2.40.0110.01116.85
7.2.30.0190.00816.77
7.2.20.0090.01316.86
7.2.10.0110.00916.88
7.2.00.0100.00618.44
7.1.330.0210.01215.82
7.1.320.0310.00615.93
7.1.310.0190.01516.13
7.1.300.0300.01215.93
7.1.290.0150.01615.88
7.1.280.0160.01615.94
7.1.270.0140.01815.88
7.1.260.0260.00915.90
7.1.250.0240.00915.97
7.1.240.0120.01216.14
7.1.230.0170.01715.96
7.1.220.0130.01415.86
7.1.210.0980.00615.77
7.1.200.0150.00515.95
7.1.190.0200.01315.82
7.1.180.0250.00716.03
7.1.170.0190.01515.98
7.1.160.0180.00516.06
7.1.150.0040.01416.12
7.1.140.0030.01615.84
7.1.130.0070.01015.76
7.1.120.0110.00716.02
7.1.110.0700.01615.91
7.1.100.0260.00715.89
7.1.90.0120.02016.17
7.1.80.0220.01015.81
7.1.70.0100.01016.63
7.1.60.0190.00816.85
7.1.50.0180.01725.38
7.1.40.0320.00716.23
7.1.30.0170.01715.86
7.1.20.0190.01815.91
7.1.10.0230.00916.06
7.1.00.0130.04419.31
7.0.330.0280.00015.46
7.0.320.0160.00315.63
7.0.310.0240.00715.60
7.0.300.0220.00615.56
7.0.290.1050.01315.83
7.0.280.0090.00915.83
7.0.270.0120.00615.84
7.0.260.0090.00915.68
7.0.250.0120.01815.61
7.0.240.0230.00715.53
7.0.230.0220.00715.51
7.0.220.0200.01015.66
7.0.210.0200.01015.74
7.0.200.0130.01316.21
7.0.190.0140.02115.78
7.0.180.0320.00515.58
7.0.170.0300.00415.58
7.0.160.0250.00815.55
7.0.150.0190.01115.57
7.0.140.0120.04118.93
7.0.130.0250.00615.65
7.0.120.0150.01315.78
7.0.110.0200.00815.61
7.0.100.0180.01115.64
7.0.90.0210.00815.71
7.0.80.0240.00815.54
7.0.70.0140.01515.57
7.0.60.0120.04717.70
7.0.50.0220.04216.76
7.0.40.0100.02818.07
7.0.30.0340.04018.06
7.0.20.0250.04617.97
7.0.10.0150.04118.04
7.0.00.0170.04417.98
5.6.400.0210.01816.51
5.6.390.0210.01816.61
5.6.380.0170.01416.39
5.6.370.0270.00516.41
5.6.360.0060.01716.59
5.6.350.0100.01016.41
5.6.340.0090.01216.19
5.6.330.0080.01516.23
5.6.320.0190.01316.24
5.6.310.0120.02116.31
5.6.300.0180.01516.31
5.6.290.0230.01116.44
5.6.280.0090.04718.76
5.6.270.0240.00616.33
5.6.260.0250.00616.20
5.6.250.0190.01016.27
5.6.240.0210.01116.41
5.6.230.0240.00816.50
5.6.220.0230.01216.39
5.6.210.0120.05018.45
5.6.200.0220.04217.36
5.6.190.0120.04418.49
5.6.180.0260.04818.40
5.6.170.0220.04718.55
5.6.160.0150.04118.55
5.6.150.0080.04917.16
5.6.140.0060.04017.36
5.6.130.0110.04217.42
5.6.120.0160.02618.94
5.6.110.0150.03418.79
5.6.100.0140.02518.71
5.6.90.0200.04318.81
5.6.80.0150.04618.43
5.6.70.2370.02418.50
5.6.60.0310.00416.11
5.6.50.0250.00916.28
5.6.40.0250.01416.36
5.6.30.0150.01716.25
5.6.20.0240.01216.29
5.6.10.0160.01616.17
5.6.00.0170.01516.22
5.5.380.0220.00816.19
5.5.370.0240.01216.14
5.5.360.0250.01616.54
5.5.350.0120.04918.38
5.5.340.0120.02717.32
5.5.330.0120.03118.44
5.5.320.0300.03018.43
5.5.310.0190.03018.23
5.5.300.0200.04517.24
5.5.290.0200.04117.12
5.5.280.0140.04718.48
5.5.270.0140.04218.69
5.5.260.0140.04218.71
5.5.250.0170.04618.59
5.5.240.0140.04618.41
5.5.230.0100.02616.02
5.5.220.0230.01416.07
5.5.210.0170.01616.31
5.5.200.0170.01716.50
5.5.190.0200.01016.11
5.5.180.0150.02316.31
5.5.170.0210.00916.27
5.5.160.0280.00916.20
5.5.150.0160.01616.10
5.5.140.0230.00716.26
5.5.130.0180.01115.98
5.5.120.0200.01115.92
5.5.110.0130.01816.16
5.5.100.0280.00316.25
5.5.90.0200.01615.90
5.5.80.0190.01616.22
5.5.70.0250.01116.33
5.5.60.0290.01016.00
5.5.50.0270.01316.33
5.5.40.0270.00616.27
5.5.30.0180.01116.29
5.5.20.0190.00916.22
5.5.10.0190.01916.32
5.5.00.0180.01016.30
5.4.450.0240.03516.03
5.4.440.0170.03716.04
5.4.430.0160.03216.10
5.4.420.0140.03916.20
5.4.410.0220.02415.98
5.4.400.0140.02915.83
5.4.390.0130.03515.67
5.4.380.0170.03615.74
5.4.370.0170.02915.66
5.4.360.0210.02415.55
5.4.350.0170.02815.61
5.4.340.0190.03015.67
5.4.330.0120.00812.55
5.4.320.0130.02612.62
5.4.310.0110.02912.66
5.4.300.0130.02312.66
5.4.290.0140.02212.69
5.4.280.0120.02112.58
5.4.270.0130.03615.90
5.4.260.0140.03415.89
5.4.250.0130.04215.86
5.4.240.0200.03915.84
5.4.230.0160.03615.85
5.4.220.0230.03015.94
5.4.210.0150.03615.82
5.4.200.0160.03915.82
5.4.190.0050.03915.84
5.4.180.0130.03015.78
5.4.170.0100.04515.76
5.4.160.0100.03815.76
5.4.150.0140.03915.83
5.4.140.0160.03414.57
5.4.130.0120.03514.77
5.4.120.0160.02614.61
5.4.110.0190.03414.62
5.4.100.0100.03314.67
5.4.90.0110.03214.70
5.4.80.0150.02814.63
5.4.70.0150.03814.56
5.4.60.0130.03314.72
5.4.50.0150.03814.68
5.4.40.0160.03214.65
5.4.30.0110.03514.64
5.4.20.0100.03714.67
5.4.10.0150.03114.59
5.4.00.0120.03514.39
5.3.290.0130.02513.25
5.3.280.0130.03014.30
5.3.270.0190.03614.14
5.3.260.0170.02914.18
5.3.250.0090.04814.22
5.3.240.0110.03214.07
5.3.230.0200.04414.22
5.3.220.0130.03214.10
5.3.210.0100.05314.05
5.3.200.0130.03614.15
5.3.190.0170.03314.12
5.3.180.0130.04314.21
5.3.170.0210.03814.17
5.3.160.0100.03814.15
5.3.150.0160.04414.26
5.3.140.0160.04214.13
5.3.130.0200.03314.07
5.3.120.0160.03214.10
5.3.110.0150.03514.19
5.3.100.0200.02613.96
5.3.90.0170.02813.94
5.3.80.0080.03913.88
5.3.70.0090.03613.96
5.3.60.0130.03513.97
5.3.50.0200.03613.77
5.3.40.0100.03613.82
5.3.30.0200.03513.87
5.3.20.0170.03713.72
5.3.10.0110.02913.47
5.3.00.0110.03713.61
5.2.170.0060.03411.82
5.2.160.0110.02312.08
5.2.150.0130.02311.83
5.2.140.0170.03111.95
5.2.130.0110.02512.00
5.2.120.0150.03611.98
5.2.110.0110.02511.89
5.2.100.0130.03111.83
5.2.90.0080.03911.95
5.2.80.0100.02811.90
5.2.70.0140.03511.85
5.2.60.0110.02911.93
5.2.50.0110.02911.98
5.2.40.0120.03211.87
5.2.30.0140.02311.88
5.2.20.0080.03011.77
5.2.10.0110.02411.69
5.2.00.0090.02811.59
5.1.60.0020.03110.99
5.1.50.0170.02411.09
5.1.40.0030.03111.18
5.1.30.0070.03311.22
5.1.20.0130.02211.32
5.1.10.0100.03011.19
5.1.00.0070.03711.22
5.0.50.0120.01810.27
5.0.40.0080.02410.42
5.0.30.0090.02510.27
5.0.20.0130.02010.25
5.0.10.0090.02310.23
5.0.00.0110.02210.07
4.4.90.0090.0199.48
4.4.80.0100.0139.48
4.4.70.0050.0179.48
4.4.60.0020.0159.48
4.4.50.0060.0159.48
4.4.40.0080.0189.48
4.4.30.0080.0159.48
4.4.20.0020.0179.48
4.4.10.0070.0139.48
4.4.00.0030.0219.48
4.3.110.0050.0139.48
4.3.100.0030.0159.48
4.3.90.0080.0119.48
4.3.80.0030.0239.48
4.3.70.0070.0129.48
4.3.60.0090.0139.48
4.3.50.0050.0159.48
4.3.40.0060.0259.48
4.3.30.0040.0129.48
4.3.20.0030.0139.48
4.3.10.0060.0139.48
4.3.00.0020.0138.99

preferences:
60.36 ms | 401 KiB | 5 Q