3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getUTF8CharCode($c) { $h = ord($c{0}); if ($h <= 0x7F) { return $h; } else if ($h < 0xC2) { return false; } else if ($h <= 0xDF) { return ($h & 0x1F) << 6 | (ord($c{1}) & 0x3F); } else if ($h <= 0xEF) { return ($h & 0x0F) << 12 | (ord($c{1}) & 0x3F) << 6 | (ord($c{2}) & 0x3F); } else if ($h <= 0xF4) { return ($h & 0x0F) << 18 | (ord($c{1}) & 0x3F) << 12 | (ord($c{2}) & 0x3F) << 6 | (ord($c{3}) & 0x3F); } else { return false; } } function escapeCSSCharacter($c) { return "\\" . base_convert(getUTF8CharCode($c), 10, 16) . " "; } function escapeCSSRule($data, array $immuneChars = array()) { $result = ""; for ($i = 0; $i < mb_strlen($data); $i++) { $currChar = mb_substr($data, $i, 1); if (getUTF8CharCode($currChar) > 256 && !preg_match("/^\w$/", $currChar) && !in_array($currChar, $immuneChars)) { var_dump(getUTF8CharCode($currChar), preg_match("/^\w$/", $currChar)); $result .= escapeCSSCharacter($currChar); } else { $result .= $currChar; } } return $result; } echo escapeCSSRule("#BADA55");

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)
8.3.60.0070.01316.50
8.3.50.0100.00822.04
8.3.40.0090.00618.71
8.3.30.0120.00318.90
8.3.20.0080.00020.38
8.3.10.0040.00423.53
8.3.00.0030.00620.76
8.2.180.0090.00618.19
8.2.170.0090.00622.96
8.2.160.0130.00020.13
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00420.95
8.2.110.0030.00622.08
8.2.100.0080.00317.59
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0000.01017.38
8.2.60.0030.00517.80
8.2.50.0030.00618.07
8.2.40.0050.00321.10
8.2.30.0050.00218.03
8.2.20.0040.00417.43
8.2.10.0040.00417.98
8.2.00.0040.00417.46
8.1.280.0080.00625.92
8.1.270.0060.00323.84
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.14
8.1.230.0070.00419.14
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0100.00317.23
8.1.190.0040.00416.98
8.1.180.0040.00418.10
8.1.170.0000.00818.53
8.1.160.0000.00721.94
8.1.150.0070.00018.48
8.1.140.0040.00417.32
8.1.130.0000.00717.66
8.1.120.0000.00717.37
8.1.110.0000.00717.18
8.1.100.0040.00417.29
8.1.90.0000.00717.33
8.1.80.0000.00717.34
8.1.70.0000.00717.29
8.1.60.0040.00417.34
8.1.50.0090.00017.37
8.1.40.0030.00517.42
8.1.30.0080.00017.49
8.1.20.0000.00817.47
8.1.10.0070.00317.36
8.1.00.0070.00017.36
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0030.00318.28
8.0.270.0070.00017.04
8.0.260.0000.00717.14
8.0.250.0030.00316.89
8.0.240.0030.00316.86
8.0.230.0030.00416.86
8.0.220.0070.00016.73
8.0.210.0070.00016.81
8.0.200.0000.00716.88
8.0.190.0030.00316.76
8.0.180.0030.00516.81
8.0.170.0000.00816.81
8.0.160.0070.00016.72
8.0.150.0000.00816.80
8.0.140.0000.00716.73
8.0.130.0050.00013.26
8.0.120.0040.00416.84
8.0.110.0050.00216.75
8.0.100.0050.00216.81
8.0.90.0040.00416.79
8.0.80.0030.01216.71
8.0.70.0080.00016.84
8.0.60.0040.00416.80
8.0.50.0000.00716.71
8.0.30.0090.00917.13
8.0.20.0110.01417.40
8.0.10.0040.00416.83
8.0.00.0140.00616.81
7.4.330.0050.00015.09
7.4.320.0000.00616.53
7.4.300.0000.00716.51
7.4.290.0060.00316.39
7.4.280.0030.00516.62
7.4.270.0000.00916.52
7.4.260.0050.00316.53
7.4.250.0030.00516.57
7.4.240.0020.00516.59
7.4.230.0030.00316.52
7.4.220.0100.01416.69
7.4.210.0050.00916.53
7.4.200.0000.00716.55
7.4.190.0070.00016.38
7.4.160.0090.00916.56
7.4.150.0120.00817.40
7.4.140.0130.00617.86
7.4.130.0130.00716.56
7.4.120.0090.00916.60
7.4.110.0140.00716.66
7.4.100.0120.00916.70
7.4.90.0000.01816.54
7.4.80.0060.01319.39
7.4.70.0150.00616.51
7.4.60.0030.01616.41
7.4.50.0040.00416.29
7.4.40.0060.01216.54
7.4.30.0070.01116.65
7.4.10.0060.00615.13
7.4.00.0090.00715.09
7.3.330.0030.00313.44
7.3.320.0050.00013.16
7.3.310.0070.00016.42
7.3.300.0030.00316.34
7.3.290.0040.01416.32
7.3.280.0050.01216.40
7.3.270.0100.00717.40
7.3.260.0060.01816.39
7.3.250.0150.00616.42
7.3.240.0120.00616.34
7.3.230.0070.01016.60
7.3.210.0110.01116.34
7.3.200.0060.01619.39
7.3.190.0130.00916.53
7.3.180.0100.00616.30
7.3.170.0060.00916.57
7.3.160.0120.00316.38
7.3.130.0040.01414.92
7.3.120.0080.00914.95
7.3.110.0070.00715.04
7.3.100.0090.00614.90
7.3.90.0040.01315.01
7.3.80.0090.00514.86
7.3.70.0050.01014.70
7.3.60.0050.00914.81
7.3.50.0080.00814.72
7.3.40.0050.00914.78
7.3.30.0020.00814.77
7.3.20.0070.00716.71
7.3.10.0060.00816.66
7.3.00.0080.00516.58
7.2.330.0090.00916.80
7.2.320.0150.00916.85
7.2.310.0120.01116.53
7.2.300.0100.01316.73
7.2.290.0170.01016.82
7.2.260.0030.01015.11
7.2.250.0090.00715.34
7.2.240.0090.00815.11
7.2.230.0060.00614.98
7.2.220.0070.01215.15
7.2.210.0030.01314.80
7.2.200.0060.00915.05
7.2.190.0120.00515.05
7.2.180.0040.01215.12
7.2.170.0050.01015.03
7.2.160.0030.01215.08
7.2.150.0040.00816.70
7.2.140.0070.00716.93
7.2.130.0000.01216.63
7.2.120.0030.01316.70
7.2.110.0090.00317.03
7.2.100.0030.01216.70
7.2.90.0070.00716.73
7.2.80.0070.00717.04
7.2.70.0000.01516.81
7.2.60.0170.00816.92
7.2.50.0100.00617.08
7.2.40.0060.00317.09
7.2.30.0060.00616.82
7.2.20.0060.00616.95
7.2.10.0060.01016.85
7.2.00.0070.01317.00
7.1.330.0050.00715.82
7.1.320.0060.00615.75
7.1.310.0020.01115.59
7.1.300.0090.00515.89
7.1.290.0030.00815.83
7.1.280.0050.00815.81
7.1.270.0070.00415.81
7.1.260.0050.00715.73
7.1.250.0000.01115.97
7.1.240.0050.00315.88
7.1.230.0110.00315.89
7.1.220.0000.01015.55
7.1.210.0000.01215.75
7.1.200.0050.00715.69
7.1.190.0100.00715.91
7.1.180.0030.01315.92
7.1.170.0060.01315.86
7.1.160.0040.00415.86
7.1.150.0070.00715.88
7.1.140.0120.00015.64
7.1.130.0000.00815.86
7.1.120.0030.01415.70
7.1.110.0000.01015.79
7.1.100.0030.00916.85
7.1.90.0000.01015.68
7.1.80.0000.01715.89
7.1.70.0030.00716.49
7.1.60.0100.01017.45
7.1.50.0060.00616.30
7.1.40.0000.01315.86
7.1.30.0060.00915.81
7.1.20.0060.00615.83
7.1.10.0030.00915.86
7.1.00.0050.04219.07
7.0.330.0030.00615.22
7.0.320.0090.00615.36
7.0.310.0040.00715.40
7.0.300.0070.01115.37
7.0.290.0040.00815.39
7.0.280.0030.01015.47
7.0.270.0060.00315.39
7.0.260.0000.01715.56
7.0.250.0000.01415.33
7.0.240.0030.00615.18
7.0.230.0060.00615.49
7.0.220.0040.01115.46
7.0.210.0070.00315.24
7.0.200.0060.00715.97
7.0.190.0080.00415.48
7.0.180.0030.01015.53
7.0.170.0030.00915.45
7.0.160.0070.00715.50
7.0.150.0030.01015.41
7.0.140.0020.04018.80
7.0.130.0030.00915.55
7.0.120.0050.00515.34
7.0.110.0000.01515.49
7.0.100.0090.00315.17
7.0.90.0060.00615.56
7.0.80.0060.00915.48
7.0.70.0120.00315.12
7.0.60.0050.04617.76
7.0.50.0050.02316.75
7.0.40.0080.04016.88
7.0.30.0190.03316.88
7.0.20.0150.03016.73
7.0.10.0060.04316.69
7.0.00.0050.04616.76
5.6.400.0000.01514.41
5.6.390.0040.01114.66
5.6.380.0090.00614.26
5.6.370.0060.00314.64
5.6.360.0090.00314.16
5.6.350.0060.00314.38
5.6.340.0060.00914.73
5.6.330.0030.00614.45
5.6.320.0000.01414.55
5.6.310.0000.01314.68
5.6.300.0000.00914.27
5.6.290.0090.00914.23
5.6.280.0050.03917.63
5.6.270.0070.00314.50
5.6.260.0070.00714.13
5.6.250.0070.00314.69
5.6.240.0090.00614.32
5.6.230.0070.00714.48
5.6.220.0070.01014.50
5.6.210.0050.02517.58
5.6.200.0050.04516.32
5.6.190.0150.03817.56
5.6.180.0100.04217.39
5.6.170.0130.02417.63
5.6.160.0030.04317.31
5.6.150.0060.03316.40
5.6.140.0070.04316.38
5.6.130.0050.04216.27
5.6.120.0050.04517.73
5.6.110.0120.04417.75
5.6.100.0080.04217.72
5.6.90.0070.02417.79
5.6.80.0120.04217.44
5.6.70.0060.00914.12
5.6.60.0070.00714.41
5.6.50.0060.00614.14
5.6.40.0070.00714.14
5.6.30.0100.00014.49
5.6.20.0070.00714.41
5.6.10.0040.00714.35
5.6.00.0060.00614.22
5.5.380.0120.00614.28
5.5.370.0100.00314.19
5.5.360.0100.00714.32
5.5.350.0110.02117.39
5.5.340.0100.02516.11
5.5.330.0050.04717.58
5.5.320.0180.03217.33
5.5.310.0170.03017.37
5.5.300.0120.03716.16
5.5.290.0100.04016.17
5.5.280.0070.03017.64
5.5.270.0110.04317.58
5.5.260.0130.03817.54
5.5.250.0110.02217.36
5.5.240.0070.02217.29
5.5.230.0160.00014.46
5.5.220.0000.01614.39
5.5.210.0070.00714.41
5.5.200.0070.00314.47
5.5.190.0030.00914.29
5.5.180.0030.01014.09
5.5.170.0000.00914.61
5.5.160.0060.00614.07
5.5.150.0030.01314.21
5.5.140.0070.00714.28
5.5.130.0070.00714.49
5.5.120.0070.00714.16
5.5.110.0070.01014.44
5.5.100.0030.00614.25
5.5.90.0060.00614.14
5.5.80.0060.00814.46
5.5.70.0070.00414.15
5.5.60.0060.00614.33
5.5.50.0040.00814.19
5.5.40.0090.00614.44
5.5.30.0060.00613.96
5.5.20.0090.00614.14
5.5.10.0030.00914.50
5.5.00.0070.00714.47
5.4.450.0500.02815.52
5.4.440.0140.02615.33
5.4.430.0500.03715.34
5.4.420.0530.03315.22
5.4.410.0070.03015.49
5.4.400.0610.02614.93
5.4.390.0530.03315.11
5.4.380.0200.02814.77
5.4.370.0230.03314.71
5.4.360.0220.02614.84
5.4.350.0230.02214.91
5.4.340.0180.02814.71
5.4.330.0030.00711.33
5.4.320.0050.02611.69
5.4.310.0070.01911.84
5.4.300.0050.02811.72
5.4.290.0070.02811.66
5.4.280.0060.02911.58
5.4.270.0050.02911.74
5.4.260.0070.02711.69
5.4.250.0050.03111.83
5.4.240.0070.02711.72
5.4.230.0070.02911.74
5.4.220.0120.02711.54
5.4.210.0080.02911.56
5.4.200.0060.03011.87
5.4.190.0050.02911.79
5.4.180.0100.02511.65
5.4.170.0090.02611.76
5.4.160.0030.02711.78
5.4.150.0060.02011.61
5.4.140.0070.02111.63
5.4.130.0070.02111.73
5.4.120.0040.02011.59
5.4.110.0090.01811.57
5.4.100.0060.02011.64
5.4.90.0050.02211.48
5.4.80.0050.02111.59
5.4.70.0070.02111.68
5.4.60.0060.02011.61
5.4.50.0070.01911.56
5.4.40.0060.02311.43
5.4.30.0050.02911.44
5.4.20.0090.02511.44
5.4.10.0050.03111.58
5.4.00.0050.02611.30
5.3.290.0050.02411.84
5.3.280.0040.02311.62
5.3.270.0050.02311.73
5.3.260.0050.02511.71
5.3.250.0050.02011.74
5.3.240.0050.02511.69
5.3.230.0040.02411.64
5.3.220.0040.02411.48
5.3.210.0060.02211.57
5.3.200.0040.02211.60
5.3.190.0070.02211.65
5.3.180.0060.02211.70
5.3.170.0060.02211.65
5.3.160.0060.02011.71
5.3.150.0070.02211.69
5.3.140.0050.03111.54
5.3.130.0040.03211.68
5.3.120.0070.05011.70
5.3.110.0130.04511.65
5.3.100.0050.02811.39
5.3.90.0050.02511.32
5.3.80.0050.02411.36
5.3.70.0060.02311.32
5.3.60.0050.02311.32
5.3.50.0050.02211.33
5.3.40.0040.02611.35
5.3.30.0050.02311.22
5.3.20.0080.03011.19
5.3.10.0050.02911.05
5.3.00.0060.02710.96
5.2.170.0040.0319.24
5.2.160.0070.0269.24
5.2.150.0040.0309.24
5.2.140.0030.0379.23
5.2.130.0020.0339.20
5.2.120.0030.0339.20
5.2.110.0050.0339.20
5.2.100.0030.0319.19
5.2.90.0050.0319.19
5.2.80.0030.0359.19
5.2.70.0070.0309.19
5.2.60.0010.0359.16
5.2.50.0070.0289.12
5.2.40.0070.0349.10
5.2.30.0060.0289.06
5.2.20.0040.0319.05
5.2.10.0060.0278.96
5.2.00.0080.0278.82
5.1.60.0040.0258.11
5.1.50.0040.0288.11
5.1.40.0040.0258.08
5.1.30.0030.0298.43
5.1.20.0050.0278.45
5.1.10.0040.0278.18
5.1.00.0080.0238.19
5.0.50.0080.0176.66
5.0.40.0010.0236.53
5.0.30.0040.0336.33
5.0.20.0050.0186.30
5.0.10.0040.0296.29
5.0.00.0040.0316.28
4.4.90.0040.0154.78
4.4.80.0050.0154.76
4.4.70.0010.0184.75
4.4.60.0040.0154.75
4.4.50.0030.0164.77
4.4.40.0040.0264.71
4.4.30.0050.0144.76
4.4.20.0030.0164.84
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0020.0164.66
4.3.100.0070.0124.67
4.3.90.0060.0124.63
4.3.80.0030.0254.58
4.3.70.0030.0144.63
4.3.60.0050.0194.63
4.3.50.0030.0234.63
4.3.40.0020.0334.54
4.3.30.0050.0213.32
4.3.20.0040.0213.30
4.3.10.0020.0223.27
4.3.00.0000.0237.07

preferences:
37.08 ms | 401 KiB | 5 Q