3v4l.org

run code in 300+ PHP versions simultaneously
<?php function escape_javascript_string($str) { $map = [ 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,0,0, // 49 0,0,0,0,0,0,0,0,1,1, 1,1,1,1,1,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,1,1,1,1,1,1,0,0,0, // 99 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, // 149 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, // 199 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1, // 249 1,1,1,1,1,1,1, // 255 ]; // 文字エンコーディングはUTF-8 $mblen = mb_strlen($str, 'UTF-8'); $utf32 = bin2hex(mb_convert_encoding($str, 'UTF-32', 'UTF-8')); for ($i=0, $encoded=''; $i < $mblen; $i++) { $u = substr($utf32, $i*8, 8); $v = base_convert($u, 16, 10); if ($v < 256 && $map[$v]) { $encoded .= '\\x'.substr($u, 6,2); } else { $encoded .= mb_convert_encoding(hex2bin($u), 'UTF-8', 'UTF-32'); } } return $encoded; } // テストデータ作成 $convmap = [ 0x0, 0xffff, 0, 0xffff ]; $msg = ''; for ($i=0; $i < 1000; $i++) { // chr()では正しいUTF-8の128以上の文字を生成できないのでmb_decode_numericentity()を利用 $msg .= mb_decode_numericentity('&#'.$i.';', $convmap, 'UTF-8'); } // var_dump($msg); var_dump(escape_javascript_string($msg));

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)
8.3.60.0130.00316.87
8.3.50.0070.01421.94
8.3.40.0150.00619.02
8.3.30.0160.00319.21
8.3.20.0040.00420.21
8.3.10.0060.00323.27
8.3.00.0000.00820.95
8.2.180.0130.00716.50
8.2.170.0040.01122.96
8.2.160.0110.00420.52
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00826.16
8.2.120.0000.00820.97
8.2.110.0090.00021.90
8.2.100.0110.00020.60
8.2.90.0040.00419.30
8.2.80.0000.00817.97
8.2.70.0040.00817.88
8.2.60.0050.00718.03
8.2.50.0100.00018.07
8.2.40.0090.00019.95
8.2.30.0050.00318.38
8.2.20.0080.00017.98
8.2.10.0080.00018.29
8.2.00.0000.00917.96
8.1.280.0110.00725.92
8.1.270.0030.00622.17
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0030.00622.05
8.1.230.0060.00619.28
8.1.220.0040.00417.91
8.1.210.0030.00718.77
8.1.200.0070.00317.48
8.1.190.0000.00817.48
8.1.180.0060.00318.10
8.1.170.0000.00918.79
8.1.160.0030.00522.14
8.1.150.0000.00818.86
8.1.140.0090.00017.67
8.1.130.0020.00517.91
8.1.120.0000.00817.55
8.1.110.0030.00517.71
8.1.100.0040.00417.54
8.1.90.0040.00417.59
8.1.80.0000.00817.57
8.1.70.0030.00517.50
8.1.60.0030.00717.59
8.1.50.0030.00617.71
8.1.40.0000.00917.75
8.1.30.0030.00617.78
8.1.20.0030.00617.75
8.1.10.0030.00617.75
8.1.00.0040.00417.58
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.62
8.0.270.0050.00317.39
8.0.260.0040.00417.43
8.0.250.0040.00417.14
8.0.240.0080.00017.16
8.0.230.0040.00417.12
8.0.220.0040.00416.96
8.0.210.0040.00416.98
8.0.200.0000.00717.00
8.0.190.0060.00617.04
8.0.180.0000.00917.13
8.0.170.0040.00417.06
8.0.160.0000.00917.20
8.0.150.0000.00917.10
8.0.140.0030.00516.94
8.0.130.0030.00313.45
8.0.120.0030.00716.99
8.0.110.0040.00417.12
8.0.100.0030.00517.10
8.0.90.0030.00517.02
8.0.80.0040.01217.13
8.0.70.0040.00416.87
8.0.60.0030.00517.05
8.0.50.0060.00317.00
8.0.30.0120.00817.11
8.0.20.0030.02017.40
8.0.10.0050.00316.95
8.0.00.0100.00816.79
7.4.330.0000.00615.06
7.4.320.0000.00716.81
7.4.300.0040.00416.75
7.4.290.0030.00616.72
7.4.280.0060.00316.75
7.4.270.0090.00016.64
7.4.260.0030.00516.79
7.4.250.0030.00616.68
7.4.240.0040.00416.79
7.4.230.0040.00416.66
7.4.220.0060.02516.69
7.4.210.0040.02116.74
7.4.200.0050.00316.57
7.4.160.0040.01316.55
7.4.150.0120.01617.40
7.4.140.0110.01117.86
7.4.130.0110.01616.60
7.4.120.0070.01616.74
7.4.110.0140.00516.66
7.4.100.0090.01916.49
7.4.90.0070.01116.64
7.4.80.0120.00819.39
7.4.70.0080.01116.51
7.4.60.0160.00316.59
7.4.50.0000.00616.59
7.4.40.0030.02116.61
7.4.30.0110.00716.71
7.4.00.0040.01415.26
7.3.330.0030.00313.31
7.3.320.0030.00313.43
7.3.310.0000.00916.38
7.3.300.0080.00016.46
7.3.290.0060.01016.50
7.3.280.0070.01216.51
7.3.270.0030.01617.40
7.3.260.0100.01016.74
7.3.250.0130.00916.49
7.3.240.0120.00916.75
7.3.230.0060.01316.72
7.3.210.0080.01216.46
7.3.200.0110.00719.39
7.3.190.0140.01116.53
7.3.180.0130.00716.73
7.3.170.0090.00916.49
7.3.160.0060.01216.84
7.3.120.0060.01314.77
7.2.330.0070.01416.91
7.2.320.0080.01216.84
7.2.310.0060.01516.98
7.2.300.0130.01316.87
7.2.290.0090.01216.63
7.2.60.0090.00917.00
7.2.00.0240.01418.92
7.1.200.0070.00716.00
7.1.100.0070.00718.22
7.1.70.0030.00717.38
7.1.60.0190.00919.70
7.1.50.0160.02416.96
7.1.00.0030.08022.41
7.0.200.0030.01016.85
7.0.140.0000.08022.07
7.0.100.0170.07720.08
7.0.90.0100.07720.14
7.0.80.0100.07320.09
7.0.70.0170.08019.95
7.0.60.0000.09720.01
7.0.50.0170.07320.34
7.0.40.0130.08319.95
7.0.30.0200.08020.14
7.0.20.0270.06720.11
7.0.10.0070.06320.14
7.0.00.0070.08720.09
5.6.280.0070.07720.96
5.6.250.0130.07020.69
5.6.240.0100.08320.64
5.6.230.0070.09320.54
5.6.220.0170.08020.55
5.6.210.0130.07720.68
5.6.200.0100.08721.09
5.6.190.0100.08321.00
5.6.180.0070.07021.22
5.6.170.0100.08721.10
5.6.160.0070.06321.09
5.6.150.0130.08021.06
5.6.140.0100.07321.08
5.6.130.0070.08021.06
5.6.120.0030.09321.16
5.6.110.0230.07020.99
5.6.100.0070.07021.07
5.6.90.0170.05321.20
5.6.80.0100.04020.45
5.6.70.0030.08320.36
5.6.60.0130.05720.45
5.6.50.0100.07320.61
5.6.40.0000.09320.52
5.6.30.0130.05320.36
5.6.20.0170.08020.34
5.6.10.0030.08020.48
5.6.00.0130.07720.47
5.5.380.0130.05320.63
5.5.370.0230.06720.55
5.5.360.0130.08020.49
5.5.350.0100.08020.49
5.5.340.0100.07320.82
5.5.330.0170.08020.98
5.5.320.0070.08020.93
5.5.310.0100.05720.78
5.5.300.0100.08320.95
5.5.290.0200.07020.92
5.5.280.0030.08720.83
5.5.270.0070.07720.94
5.5.260.0000.08320.66
5.5.250.0030.06720.75
5.5.240.0130.07320.32
5.5.230.0230.06320.20
5.5.220.0070.06320.33
5.5.210.0100.07720.33
5.5.200.0170.07020.16
5.5.190.0130.07020.20
5.5.180.0070.08320.16
5.5.160.0130.07720.30
5.5.150.0070.08320.32
5.5.140.0070.08020.32
5.5.130.0170.07020.27
5.5.120.0170.07020.22
5.5.110.0070.05320.28
5.5.100.0030.05020.20
5.5.90.0170.05720.20
5.5.80.0070.08020.20
5.5.70.0130.07320.20
5.5.60.0130.07720.11
5.5.50.0100.08020.05
5.5.40.0070.08320.11
5.5.30.0170.07020.08
5.5.20.0070.08320.13
5.5.10.0070.08020.08
5.5.00.0030.08320.00
5.4.450.0100.08019.37
5.4.440.0070.08019.45
5.4.430.0100.08019.50
5.4.420.0130.07719.45
5.4.410.0130.06719.04
5.4.400.0130.06318.88
5.4.390.0070.08019.13
5.4.380.0000.06019.04
5.4.370.0000.09019.13
5.4.360.0070.08019.04
5.4.350.0130.07719.21
5.4.340.0100.07719.23
5.4.320.0130.07719.16
5.4.310.0030.08319.05
5.4.300.0070.08018.87
5.4.290.0030.08019.16
5.4.280.0070.08319.16
5.4.270.0200.06719.13
5.4.260.0100.08019.04
5.4.250.0070.08018.93
5.4.240.0170.06319.11
5.4.230.0030.07719.04
5.4.220.0070.06019.04
5.4.210.0200.06719.17
5.4.200.0100.07318.84
5.4.190.0130.07319.02
5.4.180.0030.05018.93
5.4.170.0030.05018.94
5.4.160.0030.08019.11
5.4.150.0130.07719.01
5.4.140.0100.07716.47
5.4.130.0100.05716.38
5.4.120.0100.07016.38
5.4.110.0100.08016.42
5.4.100.0100.07016.45
5.4.90.0030.04016.55
5.4.80.0130.07016.55
5.4.70.0100.07016.38
5.4.60.0100.07316.50
5.4.50.0030.10016.53
5.4.40.0100.07316.54
5.4.30.0030.08316.49
5.4.20.0100.07016.38
5.4.10.0000.07316.38
5.4.00.0070.07315.92
5.3.290.0030.06014.73
5.3.280.0030.04314.70
5.3.270.0130.07714.74
5.3.260.0000.08714.63
5.3.250.0070.07314.57
5.3.240.0100.06314.70
5.3.230.0130.06714.53
5.3.220.0100.07714.49
5.3.210.0330.03314.54
5.3.200.0100.05014.52
5.3.190.0070.08014.59
5.3.180.0030.07014.65
5.3.170.0030.08014.52
5.3.160.0100.07014.63
5.3.150.0070.07714.63
5.3.140.0030.04314.58
5.3.130.0100.07014.54
5.3.120.0170.07314.56
5.3.110.0100.07314.47
5.3.100.0170.06314.15
5.3.90.0070.07714.07
5.3.80.0100.06714.03
5.3.70.0070.07014.00
5.3.60.0070.06313.99
5.3.50.0070.06014.01
5.3.40.0030.07314.01
5.3.30.0100.03013.90
5.3.20.0030.07013.58
5.3.10.0130.06013.58
5.3.00.0100.05713.53
5.2.170.0030.06311.20
5.2.160.0030.06311.25
5.2.150.0030.05011.19
5.2.140.0030.05311.04
5.2.130.0070.04011.11
5.2.120.0030.06311.03
5.2.110.0030.06710.98
5.2.100.0100.06011.20
5.2.90.0030.06011.00
5.2.80.0000.06311.10
5.2.70.0070.06311.02
5.2.60.0030.06010.95
5.2.50.0100.06011.05
5.2.40.0000.06311.05
5.2.30.0070.05311.07
5.2.20.0030.05710.99
5.2.10.0100.05310.93
5.2.00.0030.04010.71
5.1.60.0070.05310.06
5.1.50.0030.0479.83
5.1.40.0070.05310.01
5.1.30.0100.05310.25
5.1.20.0070.05310.40
5.1.10.0000.04710.10
5.1.00.0070.05010.13
5.0.50.0100.0308.75
5.0.40.0030.0408.75
5.0.30.0070.0638.75
5.0.20.0000.0478.75
5.0.10.0070.0238.75
5.0.00.0000.0638.75
4.4.90.0000.0278.75
4.4.80.0030.0338.75
4.4.70.0070.0308.75
4.4.60.0100.0238.75
4.4.50.0030.0308.75
4.4.40.0000.0538.75
4.4.30.0000.0408.75
4.4.20.0070.0278.75
4.4.10.0030.0278.75
4.4.00.0030.0378.75
4.3.110.0000.0378.75
4.3.100.0000.0308.75
4.3.90.0030.0208.75
4.3.80.0030.0508.75
4.3.70.0000.0378.75
4.3.60.0030.0338.75
4.3.50.0000.0338.75
4.3.40.0100.0338.75
4.3.30.0030.0308.75
4.3.20.0070.0308.75
4.3.10.0000.0308.75
4.3.00.0000.0338.75

preferences:
42.84 ms | 401 KiB | 5 Q